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Onyx Boox Nova Air C Review | 68 Data compared

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  • Avg. price in UK: ~£430
  • Avg. price in US: ~$420
  • Screen size: 7.8 inches
  • Battery life: 10 hours
  • Supported bookstore ecosystem: Android Open Ecosystem

Onyx Boox Nova Air C review. Compare 68 technical specifications and user reviews to see how it ranks among ereaders and if it is worth buying.

7.3

Overall score

What it is: An overall evaluation of the eReader's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best eReaders on the market.

Score components:

90.0%

7.4

Technical Score

10.0%

6.8

User score

Very good
7.4

Technical Score

What it is: An assessment of the eReader's technical performance, covering key areas such as display quality, reading features, battery life, format support, ecosystem, and design.

When it matters: When you want to compare eReaders based on technical performance and available features.

Score components:

25.0%

8.8

Display

22.0%

9.8

Reading

18.0%

4.0

Battery

14.0%

5.9

Hardware

12.0%

8.7

Connectivity

9.0%

5.1

Design

Very good
6.8

User score

What it is: A rating that combines user reviews and the total number of reviews received by the eReader.

When it matters: When you want to know how an eReader feels in daily reading and how reliable it is for screen comfort, battery life, and library management according to user feedback.

Score components:

70.0%

7.7

User reviews

30.0%

4.6

Popularity

User score:
United Kingdom
amazon
3.8
(55)
United States
Amazon_logo.png
3.9
(55)
Amazon_logo.png
3.8
(54)

(Reviews last updated: Apr 2026)

Good
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    Best prices in UK

    Best rankings

    ?

    Available: ranking among products currently available (including other versions of this product).
    All: ranking among all products in the database.

    Verdict

    The Onyx Boox Nova Air C is a versatile 7.8-inch color e-reader featuring an E Ink Kaleido Plus On-Cell Touch display that delivers 300 ppi for black-and-white text and 100 ppi for 4,096 colors. It is powered by a Qualcomm Snapdragon 662 octa-core processor, 3GB of LPDDR4X RAM, and 32GB of internal storage, all running on the Android 11 operating system with full Google Play Store access. Main pros include its slim 6.3mm metal body, a lightweight 235g design, and an included Wacom-layer stylus with 4,096 levels of pressure sensitivity for responsive note-taking, alongside a dual-tone Moon Light 2 front-lit system. However, notable cons include a relatively small 2,000mAh battery that can drain quickly with heavy use, the lack of a microSD card slot for storage expansion, and muted color vibrancy compared to standard LCD or OLED tablets.

    Technical Specifications of eReader Onyx Boox Nova Air C

    Technical Score

    What it is: An assessment of the eReader's technical performance, covering key areas such as display quality, reading features, battery life, format support, ecosystem, and design.

    When it matters: When you want to compare eReaders based on technical performance and available features.

    Score components:

    25.0%

    8.8

    Display

    22.0%

    9.8

    Reading

    18.0%

    4.0

    Battery

    14.0%

    5.9

    Hardware

    12.0%

    8.7

    Connectivity

    9.0%

    5.1

    Design

    7.4
    Onyx Boox Nova Air C has a technical score of 7.4 points, which is higher than that of 69.7% of products in this category.
    User score

    What it is: A rating that combines user reviews and the total number of reviews received by the eReader.

    When it matters: When you want to know how an eReader feels in daily reading and how reliable it is for screen comfort, battery life, and library management according to user feedback.

    Score components:

    70.0%

    7.7

    User reviews

    30.0%

    4.6

    Popularity

    User score:
    United Kingdom
    amazon
    3.8
    (55)
    United States
    Amazon_logo.png
    3.9
    (55)
    Amazon_logo.png
    3.8
    (54)

    (Reviews last updated: Apr 2026)

    6.8
    Onyx Boox Nova Air C has a user score of 6.76 points, which is lower than that of 82.8% of products in this category.
    Popularity
    What it is: An indicator based on the number of reviews received by the eReader.
    When it matters: When you prefer to choose an eReader reviewed and selected by many other buyers.
    4.6
    Onyx Boox Nova Air C has a popularity of 4.6 points, which is lower than 52.5% of smartphones.
    Ratio quality/price

    What it is: An indicator that combines the eReader's overall rating with its cost.

    When it matters: When you are looking for an eReader with a good balance between reading comfort, features, and price.

    Score components:

    60.0%

    7.3

    Overall score

    40.0%

    8.3

    Price

    7.6
    Onyx Boox Nova Air C has a quality-to-price ratio of 7.6 points, which is higher than 54.9% of smartphones.
    Brand name
    What it is: Identifies the company or ecosystem behind the device, which often shapes the store, software approach, and accessory support.
    When it matters: When you are choosing between Kindle, Kobo, Boox, PocketBook, or another ecosystem with different store access and software behavior.

    Importance: MEDIUM

    Onyx
    Screen size
    What it is: The diagonal measurement of the reading panel, usually given in inches.
    When it matters: When you are deciding between a small travel reader and a larger page that works better for PDFs, comics, or textbooks.

    Importance: HIGH

    Good value: >=7.8

    7.8 inches
    Onyx Boox Nova Air C has a screen size of 7.8 inches which is larger than 64.8% of eReaders on this spec and equal to 9% of eReaders.
    Screen resolution
    What it is: The total pixel grid shown on the panel, normally written as width by height.
    When it matters: When small fonts, diagrams, or dense page layouts need to stay readable without constant zooming.

    Importance: HIGH

    1404x1872 px
    Onyx Boox Nova Air C uses a screen resolution of 1404x1872 px, which is sharper than that of 73.8% of eReaders and the same as that of 17.2% of eReaders.
    Pixel density
    What it is: The number of pixels packed into each inch of the display, expressed in ppi.
    When it matters: When you want text edges to look cleaner and serif fonts to resemble print more closely.

    Importance: HIGH

    Good value: >=300

    300 ppi
    Onyx Boox Nova Air C has a pixel density of 300 ppi which is higher than 51.6% of eReaders on this spec and equal to 48.4% of eReaders.
    E-paper display
    What it is: Uses an electrophoretic panel designed to mimic paper rather than a conventional backlit phone or tablet screen.
    When it matters: When you read for long stretches and want lower glare and less screen-like fatigue than on LCD or OLED devices.

    Importance: LOW

    yes
    Onyx Boox Nova Air C uses an e-paper display. 97.6% of eReaders have an e-paper display.
    Show more
    Supported file types
    What it is: Lists which ebook, document, image, or audio formats the reader can open without conversion.
    When it matters: When your library comes from mixed sources instead of one locked bookstore.

    Importance: HIGH

    24
    Onyx Boox Nova Air C supports 24 file types which is more than 84% of eReaders on this spec and equal to 6% of eReaders.
    PDF reflow support
    What it is: Can rearrange PDF text into a more readable, screen-sized layout instead of forcing the original fixed page.
    When it matters: When you read A4 documents, articles, or manuals on a smaller eReader screen.

    Importance: HIGH

    yes
    Onyx Boox Nova Air C offers PDF reflow. 55.4% of eReaders support PDF reflow.
    Annotation support
    What it is: Allows highlighting, handwritten notes, typed comments, or markup directly inside supported files.
    When it matters: When you study, review academic papers, or want your notes to stay attached to the exact passage.

    Importance: HIGH

    yes
    Onyx Boox Nova Air C offers annotation support. 100% of eReaders offer annotation support.
    Dictionary
    What it is: Provides built-in word lookup while you read.
    When it matters: When you read in another language or want quick definitions without leaving the page.

    Importance: MEDIUM

    yes
    Onyx Boox Nova Air C includes a built-in dictionary. 99.2% of eReaders include a built-in dictionary.
    Text-to-speech
    What it is: Converts on-screen text into spoken audio using a synthetic voice.
    When it matters: When you want to keep following a book while resting your eyes, walking, or multitasking.

    Importance: MEDIUM

    yes
    Onyx Boox Nova Air C offers text-to-speech. 64.2% of eReaders include text-to-speech.
    Show more
    Battery life
    What it is: Estimates how long the device can keep running between charges under normal reading conditions.
    When it matters: When you travel, commute, or want to finish books for days without thinking about charging.

    Importance: HIGH

    Good value: >=30

    10 hours
    Onyx Boox Nova Air C offers 10 hours of battery life which is shorter than 93.8% of eReaders on this spec and equal to 5% of eReaders.
    with Wi-Fi/Bluetooth off and front light low
    Battery capacity
    What it is: The amount of energy the battery can store, commonly expressed in mAh.
    When it matters: When you want a rough hardware indicator of how much power reserve the device has.

    Importance: MEDIUM

    Good value: >=2000

    2000 mAh
    Onyx Boox Nova Air C has a battery capacity of 2000 mAh which is higher than 62.5% of eReaders on this spec and equal to 5% of eReaders.
    Charging time
    What it is: The approximate time needed to recharge the battery from low to full.
    When it matters: When you often top up shortly before leaving and need the reader ready again quickly.

    Importance: MEDIUM

    Good value: <=3

    1 hours
    Onyx Boox Nova Air C takes 1 hours to charge which is quicker than 91.4% of eReaders on this spec and equal to 8.7% of eReaders.
    2 to 3 with a standard 5V/2A adapter
    Wireless charging
    What it is: Can recharge on a compatible charging pad without plugging in a cable.
    When it matters: When you prefer drop-and-charge convenience on a desk or bedside stand.

    Importance: LOW

    no
    Onyx Boox Nova Air C does not offer wireless charging. 7.3% of eReaders offer wireless charging.
    Internal storage
    What it is: The built-in space available for books, notes, audiobooks, apps, and downloaded documents.
    When it matters: When you keep large libraries offline or store a lot of PDFs and audio locally.

    Importance: HIGH

    Good value: >=32

    32 GB
    Onyx Boox Nova Air C offers 32 GB of internal storage which is more than 57.6% of eReaders on this spec and equal to 23.7% of eReaders.
    RAM capacity
    What it is: The amount of working memory used for page rendering, multitasking, and keeping content active in the background.
    When it matters: When you open heavy files, switch between books, or expect the interface to stay snappy.

    Importance: MEDIUM

    Good value: >=2

    3 GB
    Onyx Boox Nova Air C offers 3 GB of RAM which is more than 80.7% of eReaders on this spec and equal to 5% of eReaders.
    CPU base clock speed
    What it is: The baseline operating frequency of the main processor under normal load.
    When it matters: When you compare readers for faster menu navigation, indexing, and handling of larger documents.

    Importance: MEDIUM

    8 x 2 GHz
    Onyx Boox Nova Air C has a CPU base clock speed of 8 x 2 GHz, which is faster than that of 82.6% of eReaders and the same as that of 12.4% of eReaders.
    Operating system
    What it is: The software platform that drives the interface, reading apps, and deeper system capabilities.
    When it matters: When you care about app availability, customization, and how flexible the device can become beyond basic reading.

    Importance: HIGH

    Android 11
    Onyx Boox Nova Air C runs Android 11, which is more advanced than that of 76.2% of eReaders and the same as that of 17.2% of eReaders.
    Android 11
    Memory card slot
    What it is: Accepts removable storage so the library can expand beyond the built-in capacity.
    When it matters: When your collection will outgrow internal storage or you move files between devices manually.

    Importance: MEDIUM

    no
    Onyx Boox Nova Air C does not have a memory card slot. 43.1% of eReaders have a memory card slot.
    Show more
    Wi-Fi connectivity
    What it is: Connects the reader to wireless networks for book downloads, syncing, updates, and online services.
    When it matters: When you buy books directly on the device or keep your library synced without using a cable.

    Importance: HIGH

    yes
    Onyx Boox Nova Air C connects over Wi-Fi. 93.5% of eReaders have Wi-Fi.
    Wi-Fi version
    What it is: Specifies which wireless networking standard is supported, such as Wi-Fi 4, 5, or 6.
    When it matters: When router compatibility, wireless stability, or faster transfers on newer home networks matter to you.

    Importance: LOW

    Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
    Onyx Boox Nova Air C supports Wi-Fi Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n), which is newer than that of 58.2% of eReaders and the same as that of 40.2% of eReaders.
    Wi-Fi bands supported
    What it is: Shows whether the reader can use 2.4 GHz, 5 GHz, or both wireless bands.
    When it matters: When crowded apartment Wi-Fi or 5 GHz-only setups make band support matter at home or in the office.

    Importance: LOW

    2.4 GHz+5 GHz
    Onyx Boox Nova Air C supports 2.4 GHz+5 GHz Wi-Fi bands, which is broader than that of 57.4% of eReaders and the same as that of 42.6% of eReaders.
    Bluetooth
    What it is: Provides short-range wireless pairing for headphones, speakers, keyboards, page turners, or other accessories.
    When it matters: When you listen to audiobooks, use a remote page turner, or want cable-free accessories around the house.

    Importance: MEDIUM

    yes
    Onyx Boox Nova Air C connects over Bluetooth. 60.2% of eReaders have Bluetooth.
    Bluetooth version
    What it is: Identifies the supported Bluetooth generation, which affects efficiency, codec support, and compatibility.
    When it matters: When you pair newer headphones and want a more stable, lower-power wireless connection.

    Importance: LOW

    Good value: >=5.0

    5.0
    Onyx Boox Nova Air C supports Bluetooth 5.0 which is newer than 58.5% of eReaders on this spec and equal to 28.8% of eReaders.
    Show more
    Weight
    What it is: The mass of the device, usually measured in grams.
    When it matters: When one-handed comfort matters and you do not want the reader to feel tiring during long sessions.

    Importance: HIGH

    Good value: <=200

    235 g
    Onyx Boox Nova Air C weighs 235 g which is heavier than 59% of eReaders on this spec and equal to 2.5% of eReaders.
    Thickness
    What it is: The depth of the body from front to back, usually measured in millimetres.
    When it matters: When grip comfort, sleeve fit, or how slim the reader feels in the hand matters to you.

    Importance: MEDIUM

    Good value: <=8

    6.3 mm
    Onyx Boox Nova Air C is 6.3 mm thick which is thinner than 85.8% of eReaders on this spec and equal to 1.7% of eReaders.
    Height
    What it is: The vertical size of the body, usually measured from top to bottom in millimetres.
    When it matters: When you are checking whether the reader will fit a bag, jacket pocket, or small stand.

    Importance: LOW

    Good value: <=160

    194 mm
    Onyx Boox Nova Air C is 194 mm tall which is taller than 68% of eReaders on this spec and equal to 3.3% of eReaders.
    Width
    What it is: The side-to-side body measurement, usually given in millimetres.
    When it matters: When one-handed reach and how much space the reader takes in a bag or bedside setup matter.

    Importance: LOW

    Good value: <=130

    136.5 mm
    Onyx Boox Nova Air C is 136.5 mm wide which is wider than 58.2% of eReaders on this spec and equal to 4.9% of eReaders.
    Water resistance (splashproof)
    What it is: Can tolerate light splashes, damp hands, or brief accidental contact with water.
    When it matters: When you read by the bath, at the pool, or outdoors where light moisture is realistic.

    Importance: MEDIUM

    no
    Onyx Boox Nova Air C does not have water resistance against splashes. 25% of eReaders have water resistance against splashes.
    Show more

    Onyx Boox Nova Air C vs the average eReader

    • 9 broader file support
      Onyx Boox Nova Air C supports a broader range of file types than the average eReader (24 vs 15).
      What it is: Lists which ebook, document, image, or audio formats the reader can open without conversion.
      When it matters: When your library comes from mixed sources instead of one locked bookstore.

      Importance: HIGH

      Onyx Boox Nova Air C supports a broader range of file types than the average eReader (24 vs 15).24 vs 15
    • Has color display
      Onyx Boox Nova Air C has a color display, while the average eReader does not.
      What it is: Shows color instead of grayscale only, usually through a color E Ink panel with more muted tones than LCD or OLED screens.
      When it matters: When you read comics, illustrated books, magazines, or documents that rely on color-coded charts and highlights.

      Importance: MEDIUM

      Onyx Boox Nova Air C has a color display, while the average eReader does not.
    • Supports handwriting recognition
      Onyx Boox Nova Air C supports handwriting recognition, while the average eReader does not.
      Built-in handwriting-to-text support.
      What it is: Can convert handwritten pen input into editable digital text.
      When it matters: When you write notes by hand and want them searchable, cleaner, or easier to export later.

      Importance: MEDIUM

      Onyx Boox Nova Air C supports handwriting recognition, while the average eReader does not.
    • 2.49 GB more RAM
      Onyx Boox Nova Air C has more RAM than the average eReader (3 GB vs 0.512 GB). The average eReader has 0.512 GB of RAM.
      What it is: The amount of working memory used for page rendering, multitasking, and keeping content active in the background.
      When it matters: When you open heavy files, switch between books, or expect the interface to stay snappy.

      Importance: MEDIUM

      Good value: >=2

      Onyx Boox Nova Air C has more RAM than the average eReader (3 GB vs 0.512 GB). The average eReader has 0.512 GB of RAM.3 GB vs 0.512 GB
    • Faster CPU base clock speed
      Onyx Boox Nova Air C has a faster CPU base clock speed than the average eReader (8x2 GHz vs 1x1 GHz). The average eReader has a CPU base clock speed of 1x1 GHz.
      What it is: The baseline operating frequency of the main processor under normal load.
      When it matters: When you compare readers for faster menu navigation, indexing, and handling of larger documents.

      Importance: MEDIUM

      Onyx Boox Nova Air C has a faster CPU base clock speed than the average eReader (8x2 GHz vs 1x1 GHz). The average eReader has a CPU base clock speed of 1x1 GHz.8x2 GHz vs 1x1 GHz
    • Supports stylus
      Onyx Boox Nova Air C supports a stylus, while the average eReader does not.
      Wacom digitizer with 4,096 pressure levels, stylus included
      What it is: Works with a pen for handwriting, sketching, selection, or precise markup.
      When it matters: When you annotate PDFs, write in margins, or use the reader partly as a digital notebook.

      Importance: MEDIUM

      Onyx Boox Nova Air C supports a stylus, while the average eReader does not.
    • 31 more front-light LEDs
      Onyx Boox Nova Air C has more front-light LEDs than the average eReader (36 vs 5). The average eReader has 5 front-light LEDs.
      What it is: Shows how many LEDs are used to light the screen evenly from the bezel.
      When it matters: When you want fewer bright spots, shadows, or uneven lighting across the page at night.

      Importance: MEDIUM

      Good value: >=17

      Onyx Boox Nova Air C has more front-light LEDs than the average eReader (36 vs 5). The average eReader has 5 front-light LEDs.36 vs 5
    • More advanced operating system
      Onyx Boox Nova Air C uses Android 11, a more advanced operating system than Kindle OS on the average eReader.
      Android 11
      What it is: The software platform that drives the interface, reading apps, and deeper system capabilities.
      When it matters: When you care about app availability, customization, and how flexible the device can become beyond basic reading.

      Importance: HIGH

      Onyx Boox Nova Air C uses Android 11, a more advanced operating system than Kindle OS on the average eReader.Android 11 vs Kindle OS
    • Has color display
      Onyx Boox Nova Air C has a color display, while the average eReader does not.
    • 31 more front-light LEDs
      Onyx Boox Nova Air C has more front-light LEDs than the average eReader (36 vs 5). The average eReader has 5 front-light LEDs.
    • Higher screen resolution
      Onyx Boox Nova Air C supports higher screen resolution than the average eReader (1404x1872 px vs 1072x1448 px). The average eReader supports 1072x1448 px screen resolution.
    • 13.2% higher pixel density
      Onyx Boox Nova Air C has a higher pixel density than the average eReader (300 ppi vs 265 ppi). The average eReader has a pixel density of 265 ppi.
    • 0.8 inches larger screen size
      Onyx Boox Nova Air C has a larger screen than the average eReader (7.8 inches vs 7 inches). The average eReader screen size is 7 inches.
    • Has auto-brightness sensor
      Onyx Boox Nova Air C has an auto-brightness sensor, while the average eReader does not.
    • 9 broader file support
      Onyx Boox Nova Air C supports a broader range of file types than the average eReader (24 vs 15).
    • Supports handwriting recognition
      Onyx Boox Nova Air C supports handwriting recognition, while the average eReader does not.
    • Supports stylus
      Onyx Boox Nova Air C supports a stylus, while the average eReader does not.
    • Broader library support
      Onyx Boox Nova Air C supports more library lending platforms than the average eReader (OverDrive, Libby, Hoopla, BorrowBox, cloudLibrary, PrêtNumérique vs OverDrive, Libby).
    • Includes stylus
      Onyx Boox Nova Air C includes a stylus, while the average eReader does not.
    • 1 hours shorter charging time
      Onyx Boox Nova Air C charges faster than the average eReader (1 hours vs 2 hours). The average eReader charges in 2 hours.
    • 30.7% larger battery capacity
      Onyx Boox Nova Air C has a larger battery than the average eReader (2,000 mAh vs 1,530 mAh). The average eReader battery has a capacity of 1,530 mAh.
    • 2.49 GB more RAM
      Onyx Boox Nova Air C has more RAM than the average eReader (3 GB vs 0.512 GB). The average eReader has 0.512 GB of RAM.
    • Faster CPU base clock speed
      Onyx Boox Nova Air C has a faster CPU base clock speed than the average eReader (8x2 GHz vs 1x1 GHz). The average eReader has a CPU base clock speed of 1x1 GHz.
    • More advanced operating system
      Onyx Boox Nova Air C uses Android 11, a more advanced operating system than Kindle OS on the average eReader.
    • 2x more storage
      Onyx Boox Nova Air C offers more internal storage than the average eReader (32 GB vs 16 GB). The average eReader provides 16 GB of internal storage.
    • Has microphone
      Onyx Boox Nova Air C has a microphone, while the average eReader does not.
    • Supports USB OTG
      Onyx Boox Nova Air C supports USB OTG, while the average eReader does not.
    • 2 more speakers
      Onyx Boox Nova Air C has more speakers than the average eReader (2 vs 0). The average eReader has 0 speakers.
    • Better Wi-Fi bands
      Onyx Boox Nova Air C supports 2.4 GHz+5 GHz Wi-Fi bands, while the average eReader supports 2.4 GHz.
    • 1.8 mm thinner
      Onyx Boox Nova Air C is thinner than the average eReader (6.3 mm vs 8.1 mm). The average eReader thickness is 8.1 mm.

    Total
    Display
    Reading
    Battery
    Hardware
    Connectivity
    Design
    • Less advanced E-Ink technology
      Onyx Boox Nova Air C uses Kaleido Plus E-Ink technology, while the average eReader uses Carta Plus.
      Kaleido Plus E Ink's color filter technology
    • Limited DRM support
      Onyx Boox Nova Air C supports fewer DRM schemes than the average eReader (Adobe DRM vs Adobe DRM, Readium LCP).
      Relies on third-party Android apps for DRM-protected content.
    • 11 hours shorter battery life
      Onyx Boox Nova Air C offers shorter battery life than the average eReader (10 hours vs 21 hours). The average eReader offers 21 hours of battery life.
      with Wi-Fi/Bluetooth off and front light low
    • Older Bluetooth version
      Onyx Boox Nova Air C supports an older Bluetooth version than the average eReader (5 vs 5.1).
    • 10.3% heavier
      Onyx Boox Nova Air C is heavier than the average eReader (235 g vs 213 g). The average eReader weighs 213 g.
    • 21 mm taller
      Onyx Boox Nova Air C is taller than the average eReader (194 mm vs 173 mm). The average eReader height is 173 mm.
    • 8.9 mm wider
      Onyx Boox Nova Air C is wider than the average eReader (136.5 mm vs 127.6 mm). The average eReader width is 127.6 mm.
    • Limited DRM support
      Onyx Boox Nova Air C supports fewer DRM schemes than the average eReader (Adobe DRM vs Adobe DRM, Readium LCP).
      Relies on third-party Android apps for DRM-protected content.
      What it is: Shows which copy-protection systems the device can open, such as Adobe DRM or store-specific protection.
      When it matters: When you buy or borrow books from multiple stores and need them all to open on one reader.

      Importance: HIGH

      Onyx Boox Nova Air C supports fewer DRM schemes than the average eReader (Adobe DRM vs Adobe DRM, Readium LCP).Adobe DRM vs Adobe DRM, Readium LCP
    • 11 hours shorter battery life
      Onyx Boox Nova Air C offers shorter battery life than the average eReader (10 hours vs 21 hours). The average eReader offers 21 hours of battery life.
      with Wi-Fi/Bluetooth off and front light low
      What it is: Estimates how long the device can keep running between charges under normal reading conditions.
      When it matters: When you travel, commute, or want to finish books for days without thinking about charging.

      Importance: HIGH

      Good value: >=30

      Onyx Boox Nova Air C offers shorter battery life than the average eReader (10 hours vs 21 hours). The average eReader offers 21 hours of battery life.10 hours vs 21 hours
    • 2.53x more expensive
      Onyx Boox Nova Air C is more expensive than the average eReader (£430 vs £170).
      Onyx Boox Nova Air C is more expensive than the average eReader (£430 vs £170).£430 vs £170
    • 10.3% heavier
      Onyx Boox Nova Air C is heavier than the average eReader (235 g vs 213 g). The average eReader weighs 213 g.
      What it is: The mass of the device, usually measured in grams.
      When it matters: When one-handed comfort matters and you do not want the reader to feel tiring during long sessions.

      Importance: HIGH

      Good value: <=200

      Onyx Boox Nova Air C is heavier than the average eReader (235 g vs 213 g). The average eReader weighs 213 g.235 g vs 213 g
    • 21 mm taller
      Onyx Boox Nova Air C is taller than the average eReader (194 mm vs 173 mm). The average eReader height is 173 mm.
      What it is: The vertical size of the body, usually measured from top to bottom in millimetres.
      When it matters: When you are checking whether the reader will fit a bag, jacket pocket, or small stand.

      Importance: LOW

      Good value: <=160

      Onyx Boox Nova Air C is taller than the average eReader (194 mm vs 173 mm). The average eReader height is 173 mm.194 mm vs 173 mm
    • 18.4% lower user score
      Onyx Boox Nova Air C has a lower user score than the average eReader (6.76 vs 8,000).
      What it is: A rating that combines user reviews and the total number of reviews received by the eReader.
      When it matters: When you want to know how an eReader feels in daily reading and how reliable it is for screen comfort, battery life, and library management according to user feedback.
      Onyx Boox Nova Air C has a lower user score than the average eReader (6.76 vs 8,000).6.76 vs 8
    • Older Bluetooth version
      Onyx Boox Nova Air C supports an older Bluetooth version than the average eReader (5 vs 5.1).
      What it is: Identifies the supported Bluetooth generation, which affects efficiency, codec support, and compatibility.
      When it matters: When you pair newer headphones and want a more stable, lower-power wireless connection.

      Importance: LOW

      Good value: >=5.0

      Onyx Boox Nova Air C supports an older Bluetooth version than the average eReader (5 vs 5.1).5.0 vs 5.1
    • Less advanced E-Ink technology
      Onyx Boox Nova Air C uses Kaleido Plus E-Ink technology, while the average eReader uses Carta Plus.
      Kaleido Plus E Ink's color filter technology
      What it is: States which E Ink generation or panel family the device uses, such as Carta or Kaleido.
      When it matters: When you compare newer and older readers for contrast, refresh behavior, or color performance.

      Importance: HIGH

      Onyx Boox Nova Air C uses Kaleido Plus E-Ink technology, while the average eReader uses Carta Plus.Kaleido Plus vs Carta Plus
    Total
    Overall
    Display
    Reading
    Battery
    Connectivity
    Design

    Graphic comparison of Onyx Boox Nova Air C and other eReaders

    Attribute category
    Attribute
    No results found

    Third-party reviews

    United Kingdom
    amazon
    3.8
    55 Reviews
    United States
    Amazon_logo.png
    3.9
    55 Reviews
    Amazon_logo.png
    3.8
    54 Reviews

    (Reviews last updated: Apr 2026)

    What customers like about Onyx Boox Nova Air C?

    • Versatile Android 11 system with full access to the [Google Play Store](Use code with caution.Copied to clipboardjsonhttps://www.androidcentral.com/tablets/onyx-boox-nova-air-c-reviewUse code with caution.Copied to clipboardjson) for apps like Kindle, Outlook, and Chrome.
    • Premium, slim, and lightweight build quality (235g) that is highly portable for one-handed use.
    • Excellent writing and note-taking experience with the included Wacom stylus, featuring 4,096 levels of pressure sensitivity and low latency.
    • Innovative color E Ink (Kaleido Plus) screen that is great for viewing book covers, charts, and manga compared to monochromatic displays.
    • Comprehensive reading software (Neo Reader) with advanced features like split-screen, text-to-speech, and extensive image controls.
    • Includes both warm and cold front lights (Moon Light 2) for comfortable reading in various lighting conditions.

    What customers dislike about Onyx Boox Nova Air C?

    • Significantly shorter battery life (approx. 2000mAh) compared to dedicated e-readers like Kindles, often requiring charging every 1-2 days with heavy use.
    • Muted and 'washed out' color quality that can appear grainy or dark without the front light turned on.
    • Noticeable ghosting and poor refresh rates for video playback or fast-scrolling third-party apps.
    • Limited 32GB internal storage with no MicroSD slot for expansion, which may be insufficient for large color media libraries.
    • Small 7.8-inch screen size is not ideal for reading or annotating large A4-sized PDF documents.
    • High price point ($420) puts it in competition with more powerful traditional tablets like the iPad Mini.

    Expert reviews

    A
    androidpolice.com
    24/07/2022
    Boox Nova Air C review: Coloring outside the lines

    The Android Police review describes the Boox Nova Air C as a versatile, high-end 7.8-inch Android 11 e-reader that serves as a unique hybrid between a tablet and an e-paper device, featuring snappy performance via a Snapdragon 662 processor. A key highlight is the Kaleido Plus color E Ink screen, which, despite having lower color resolution (100 PPI) than the 300 PPI black-and-white...Read more

    M
    myereader.substack.com
    09/05/2022
    Onyx Boox Nova Air C review: The trade-offs of Kaleido Plus Would you like a comparison of how this model's Kaleido Plus screen stacks up against the...

    The Onyx Boox Nova Air C is a 7.8-inch Android 11 e-reader featuring Kaleido Plus color technology and a Wacom-powered stylus, allowing for app installation via the Google Play Store and capable digital note-taking. While it offers 300ppi resolution in black and white, the display suffers from muted 100ppi colors, significant ghosting, and a darker screen that necessitates frequent...Read more

    I
    inverse.com
    26/07/2022
    Onyx Boox Nova Air C review: A comic book lover’s dream e-reader

    The Onyx Boox Nova Air C is a 7.8-inch, Android-based color e-reader optimized for comics and manga, featuring a 300 ppi black-and-white display and improved Kaleido Plus color screen. Its primary strengths include full access to the Google Play Store for apps like Comixology, a highly responsive Wacom stylus for note-taking, and a premium, slim design. However, the device suffers...Read more

    Z
    zdnet.com
    10/05/2022
    Onyx Boox Nova Air C review - ZDNET

    The Onyx Boox Nova Air C is a 7.8-inch Android 11 e-reader featuring a 4,096-color E Ink Kaleido Plus screen, offering app versatility via the Google Play Store and a bundled stylus for note-taking. While offering premium, portable build quality, the device suffers from muted color saturation and slow refresh rates that cause ghosting in video. Key disadvantages include the lack of...Read more

    T
    techradar.com
    07/05/2022
    Onyx Boox Nova Air C review - eReaders - TechRadar

    The Onyx Boox Nova Air C is a 7.8-inch e-reader featuring a Kaleido Plus color E Ink screen and Android 11, offering a versatile, paper-like experience with app access via the Google Play Store. Key strengths include a highly responsive Wacom-powered stylus for note-taking, excellent outdoor visibility, and a portable, lightweight design. However, the device has limitations...Read more

    T
    theverge.com
    04/06/2022
    Onyx Boox Nova Air C review: color E Ink on an ambitious tablet

    The Onyx Boox Nova Air C, reviewed by The Verge, is a 7.8-inch Android 11 tablet featuring a Kaleido Plus color E Ink display. Pros include an excellent note-taking experience with the Wacom stylus, access to the Google Play Store, and high readability in sunlight. However, significant cons include the high $420–$450 price point, low 100 ppi color resolution, and sluggish...Read more

    A
    androidcentral.com
    19/05/2022
    Onyx Boox Nova Air C review: An enthusiast's e-paper tablet

    The Onyx Boox Nova Air C, as reviewed by Android Central, is a high-end, 7.8-inch Android 11 e-reader featuring a Kaleido Plus color E Ink screen, offering a unique blend of digital paper eye-comfort and tablet app functionality. Key strengths highlighted include its premium, slim magnesium alloy build, improved color contrast over older tech, and an excellent note-taking experience...Read more

    R
    retrospace.net
    11/10/2022
    Onyx Boox Nova Air C Review / Hands-on - retrospace

    Galaxian is identified as a significant evolution from Space Invaders, featuring vibrant, multicolored sprites and complex enemy behavior where opponents break formation to dive-bomb the player. This innovation in enemy AI, described in the review as a key feature, forces a more dynamic and unpredictable gameplay experience compared to static, side-to-side shooters. A primary pro...Read more

    (Translated)Show original
    M
    muypymes.com
    18/03/2022
    Onyx BOOX Nova Air C: colour e-ink - MuyPymes

    The Onyx Boox Nova Air C is a 7.8-inch e-reader featuring a Kaleido Plus color E Ink screen that provides 4,096 colors, boasting 30% better contrast than previous models. Running on Android 11 with full Google Play Store access and featuring a Wacom stylus, it excels at note-taking and app versatility. While offering solid, responsive performance with an octa-core processor, the...Read more

    (Translated)Show original

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