OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using eReaders Methodology v1.0
eReaders Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are evaluated mathematically under Frontumo eReaders Methodology v1.0 using verified laboratory benchmarks, technical specifications, and authentic consumer ratings with 0% commercial bias.
Explore eReaders Methodology v1.0

Pocketbook Inkpad 4 Review | 68 Data compared

Avg. price:~£260Screen size:7.8 inchesPixel density:300 ppiInternal storage:32 GBBattery life:15 hoursSupported bookstore ecosystem:PocketBook Open Ecosystem

Pocketbook Inkpad 4 Review: Compare 68 technical specifications and user reviews to see how this product ranks in the eReaders category and whether it is worth buying.

7.1

Overall score

Score
7.1/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
▲ Better than 64% of models
Score components

90%

7.1

Technical score

10%

7.3

User score

▲Better than 64% of ereaders
7.1

Technical score

Technical score
7.1/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
▲ Better than 65% of models
Score components

25%

8.4

Display

22%

8.3

Reading

18%

4.5

Battery

14%

4.4

Hardware

12%

8.0

Connectivity

9%

8.8

Design

▲Better than 65% of ereaders
7.3

User score

User score
7.3/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
▼ Worse than 72% of models
Score components

70%

7.9

User ratings

30%

6.0

Number of reviews

Based on 495 buyer reviews from online shops.
Read buyer reviews on Amazon →
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
▼Worse than 72% of ereaders
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Best prices

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Best rankings

Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of eReader Pocketbook Inkpad 4

Technical score
Technical score
7.1/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
▲ Better than 65% of models
Score components:

25%

8.4

Display

22%

8.3

Reading

18%

4.5

Battery

14%

4.4

Hardware

12%

8.0

Connectivity

9%

8.8

Design

7.1
User score
User score
7.3/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
▼ Worse than 72% of models
Score components

70%

7.9

User ratings

30%

6.0

Number of reviews

Based on 495 buyer reviews from online shops.
Read buyer reviews on Amazon →
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
7.3
Popularity
Popularity
6.0/ 10
✕
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.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 58% of models
Popularity:
Pocketbook Inkpad 4 has a popularity score of 6 points, which is higher than that of 58.2% of products in this category.
6.0
Value for money
Value for money
7.7/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
▲ Better than 64% of models
Score components:

60%

7.1

Overall score

40%

9.2

Price

7.7
Brand name
Pocketbook
Screen size
7.8 inches
Screen size
7.8 inches
▲ Better than 65% of models
Market range: <5 inches – >10 inches
This ereader has a screen size of 7.8 inches which is larger than 64.8% on this spec and equal to 9% of eReaders.
Screen resolution
1404x1872 px
Screen resolution
1404x1872 px
▲ Better than 74% of models
This ereader 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
300 ppi
Pixel density
300 ppi
▲ Better than 52% of models
Market range: <150 ppi – >300 ppi
This ereader has a pixel density of 300 ppi which is higher than 51.6% on this spec and equal to 48.4% of eReaders.
E-paper display
yes
E-paper display
yes
▲ Better than 2% of models
This ereader uses an e-paper display. 2.5% of eReaders have an e-paper display.
Show more
Supported file types
21
Supported file types
21
▲ Better than 76% of models
Market range: <9 – >24
This ereader supports 21 file types which is more than 76.3% on this spec and equal to 4.2% of eReaders.
PDF reflow support
yes
PDF reflow support
yes
▲ Better than 45% of models
This ereader offers PDF reflow. 45.5% of eReaders support PDF reflow.
Annotation support
yes
Annotation support
yes
▲ Better than 2% of models
This ereader offers annotation support. 1.6% of eReaders offer annotation support.
Dictionary
yes
Dictionary
yes
▲ Better than 1% of models
This ereader includes a built-in dictionary. 0.8% of eReaders include a built-in dictionary.
Text-to-speech
yes
Text-to-speech
yes
▲ Better than 36% of models
This ereader offers text-to-speech. 36.1% of eReaders include text-to-speech.
Show more
Battery life
15 hours
Battery life
15 hours
▼ Worse than 66% of models
Market range: <12 hours – >42 hours
This ereader offers 15 hours of battery life which is shorter than 65.6% on this spec and equal to 16.7% of eReaders.
up to a month of typical use, exact continuous hours not specified
Battery capacity
2000 mAh
Battery capacity
2000 mAh
▲ Better than 62% of models
Market range: <1k mAh – >4k mAh
This ereader has a battery capacity of 2000 mAh which is higher than 62% on this spec and equal to 5% of eReaders.
Charging time
?
Wireless charging
yes
Wireless charging
yes
★ Better than 93% of models
This ereader offers wireless charging. 93.4% of eReaders offer wireless charging.
Requires official Charge Cover.
Internal storage
32 GB
Internal storage
32 GB
▲ Better than 59% of models
Market range: <2 GB – >62 GB
This ereader offers 32 GB of internal storage which is more than 59% on this spec and equal to 23% of eReaders.
RAM capacity
1 GB
RAM capacity
1 GB
▲ Better than 54% of models
Market range: <0 GB – >5 GB
This ereader offers 1 GB of RAM which is more than 54.1% on this spec and equal to 17.2% of eReaders.
CPU base clock speed
2x 1 GHz
CPU base clock speed
2x 1 GHz
▲ Better than 50% of models
This ereader has a CPU base clock speed of 2x1 GHz, which is faster than that of 50.4% of eReaders and the same as that of 12.4% of eReaders.
Operating system
PocketBook OS
Operating system
PocketBook OS
▼ Worse than 83% of models
This ereader runs PocketBook OS, which is less advanced than that of 82.8% of eReaders and the same as that of 17.2% of eReaders.
Linux 3.1.65
Memory card slot
no
Memory card slot
no
▼ Worse than 43% of models
This ereader does not have a memory card slot. 43.4% of eReaders have a memory card slot.
Show more
Wi-Fi connectivity
yes
Wi-Fi connectivity
yes
▲ Better than 7% of models
This ereader connects over Wi-Fi. 6.6% of eReaders have Wi-Fi.
Wi-Fi version
Wi-Fi 4 (802.11n)
Wi-Fi version
Wi-Fi 4 (802.11n)
▼ Worse than 43% of models
This ereader supports Wi-Fi Wi-Fi 4 (802.11n), which is newer than that of 10.7% of eReaders and the same as that of 46.7% of eReaders.
Wi-Fi bands supported
2.4 GHz
Wi-Fi bands supported
2.4 GHz
▼ Worse than 43% of models
This ereader supports 2.4 GHz Wi-Fi bands, which is broader than that of 6.6% of eReaders and the same as that of 50% of eReaders.
Bluetooth
yes
Bluetooth
yes
▲ Better than 40% of models
This ereader connects over Bluetooth. 40.2% of eReaders have Bluetooth.
Bluetooth version
4
Bluetooth version
4
▼ Worse than 53% of models
Market range: <1 – >6
This ereader supports Bluetooth 4 which is older than 53.3% on this spec and equal to 3.3% of eReaders.
Show more
Weight
265 g
Weight
265 g
▼ Worse than 68% of models
Market range: <160 g – >480 g
This ereader weighs 265 g which is heavier than 68% on this spec and equal to 0.8% of eReaders.
Thickness
7.95 mm
Thickness
7.95 mm
▲ Better than 63% of models
Market range: <6 mm – >11 mm
This ereader is 7.95 mm thick which is thinner than 62.8% on this spec and equal to 1.7% of eReaders.
Height
189.5 mm
Height
189.5 mm
▼ Worse than 65% of models
Market range: <150 mm – >240 mm
This ereader is 189.5 mm tall which is taller than 64.8% on this spec and equal to 1.6% of eReaders.
Width
134 mm
Width
134 mm
▼ Worse than 54% of models
Market range: <100 mm – >200 mm
This ereader is 134 mm wide which is wider than 54.1% on this spec and equal to 1.6% of eReaders.
Water resistance (splashproof)
yes
Water resistance (splashproof)
yes
▲ Better than 76% of models
This ereader has water resistance against splashes. 75.8% of eReaders have water resistance against splashes.
Show more

Pocketbook Inkpad 4 vs the average eReader

246810TotalDisplayReadingBatteryHardwareConnectivityDesign
  • Splash-resistant
    Water resistance (splashproof)
    yes
    ▲ Better than 76% of models
    This ereader has splash resistance, while the average eReader does not. 24.8% of eReaders have splash resistance.
  • Page-turn buttons
    Page-turn buttons
    yes
    ▲ Better than 56% of models
    This ereader has page-turn buttons, while the average eReader does not. 44.7% of eReaders have page-turn buttons.
  • 6 more supported file formats
    Supported file types
    21
    ▲ Better than 76% of models
    Market range: <9 – >24
    This ereader supports a broader range of file types than the average eReader (21 vs 15).
    21 vs 15
  • Higher screen resolution
    Screen resolution
    1404x1872 px
    ▲ Better than 74% of models
    This ereader supports higher screen resolution than the average eReader (1404x1872 px vs 1072x1448 px). The average eReader supports 1072x1448 px screen resolution.
    1404x1872 px vs 1072x1448 px
  • Accelerometer included
    Accelerometer
    yes
    ▲ Better than 55% of models
    This ereader has an accelerometer, while the average eReader does not. 45.1% of eReaders have an accelerometer.
  • Supports USB OTG
    USB OTG support
    yes
    ▲ Better than 67% of models
    This ereader supports USB OTG, while the average eReader does not. 33.9% of eReaders support USB OTG.
    external memory only
  • 13.2% higher pixel density
    Pixel density
    300 ppi
    ▲ Better than 52% of models
    Market range: <150 ppi – >300 ppi
    This ereader has a higher pixel density than the average eReader (300 ppi vs 265 ppi). The average eReader has a pixel density of 265 ppi.
    300 ppi vs 265 ppi
  • 2 m higher waterproof depth rating
    Waterproof depth rating
    2 m
    ▲ Better than 80% of models
    Market range: <0 m – >5 m
    This ereader offers deeper waterproofing than the average eReader (2 m vs 0 m). The average eReader waterproof depth rating is 0 m.
    2 m vs 0 m
  • Higher screen resolution
    Screen resolution
    1404x1872 px
    ▲ Better than 74% of models
    This ereader supports higher screen resolution than the average eReader (1404x1872 px vs 1072x1448 px). The average eReader supports 1072x1448 px screen resolution.
    1404x1872 px vs 1072x1448 px
  • 13.2% higher pixel density
    Pixel density
    300 ppi
    ▲ Better than 52% of models
    Market range: <150 ppi – >300 ppi
    This ereader has a higher pixel density than the average eReader (300 ppi vs 265 ppi). The average eReader has a pixel density of 265 ppi.
    300 ppi vs 265 ppi
  • 0.8 inches larger screen size
    Screen size
    7.8 inches
    ▲ Better than 65% of models
    Market range: <5 inches – >10 inches
    This ereader has a larger screen than the average eReader (7.8 inches vs 7 inches). The average eReader screen size is 7 inches.
    7.8 inches vs 7 inches
  • Auto-brightness sensor
    Auto-brightness sensor
    yes
    ▲ Better than 59% of models
    This ereader has an auto-brightness sensor, while the average eReader does not. 41.8% of eReaders have an auto-brightness sensor.
    Ambient light sensor enables automatic brightness adjustments.
  • More advanced E-Ink technology
    E-Ink technology
    Carta 1200
    ▲ Better than 71% of models
    This ereader uses Carta 1200 E-Ink technology, while the average eReader uses Carta Plus.
    Carta 1,200 vs Carta Plus
  • Supports auto-rotate
    Auto-rotate
    yes
    ▲ Better than 57% of models
    This ereader supports auto-rotate, while the average eReader does not. 43.4% of eReaders support auto-rotate.
  • 6 more supported file formats
    Supported file types
    21
    ▲ Better than 76% of models
    Market range: <9 – >24
    This ereader supports a broader range of file types than the average eReader (21 vs 15).
    21 vs 15
  • Broader DRM support
    DRM schemes supported
    Adobe DRM, Readium LCP
    ★ Better than 92% of models
    This ereader supports a broader set of DRM schemes than the average eReader (Adobe DRM, Readium LCP vs Adobe DRM, Social DRM).
    Adobe DRM, Readium LCP vs Adobe DRM, Social DRM
  • Supports wireless charging
    Wireless charging
    yes
    ★ Better than 93% of models
    This ereader supports wireless charging, while the average eReader does not. 7.3% of eReaders support wireless charging.
    Requires official Charge Cover.
  • 27.8% larger battery capacity
    Battery capacity
    2000 mAh
    ▲ Better than 62% of models
    Market range: <1k mAh – >4k mAh
    This ereader has a larger battery than the average eReader (2000 mAh vs 1565 mAh). The average eReader battery has a capacity of 1565 mAh.
    2,000 mAh vs 1,565 mAh
  • Accelerometer included
    Accelerometer
    yes
    ▲ Better than 55% of models
    This ereader has an accelerometer, while the average eReader does not. 45.1% of eReaders have an accelerometer.
  • 2x more storage
    Internal storage
    32 GB
    ▲ Better than 59% of models
    Market range: <2 GB – >62 GB
    This ereader offers more internal storage than the average eReader (32 GB vs 16 GB). The average eReader provides 16 GB of internal storage.
    32 GB vs 16 GB
  • Faster CPU base clock speed
    CPU base clock speed
    2 x 1 GHz
    ▲ Better than 50% of models
    This ereader has a faster CPU base clock speed than the average eReader (2x1 GHz vs 1x1 GHz). The average eReader has a CPU base clock speed of 1x1 GHz.
    2x1 GHz vs 1x1 GHz
  • 0.49 GB more RAM
    RAM capacity
    1 GB
    ▲ Better than 54% of models
    Market range: <0 GB – >5 GB
    This ereader has more RAM than the average eReader (1 GB vs 0.5 GB). The average eReader has 0.512 GB of RAM.
    1 GB vs 0.512 GB
  • Supports USB OTG
    USB OTG support
    yes
    ▲ Better than 67% of models
    This ereader supports USB OTG, while the average eReader does not. 33.9% of eReaders support USB OTG.
    external memory only
  • 1 more speakers
    Speakers
    1
    ▲ Better than 66% of models
    Market range: <0 – >5
    This ereader has more speakers than the average eReader (1 vs 0). The average eReader has 0 speakers.
    Built-in speaker count reflects onboard audio hardware.
    1 vs 0
  • Splash-resistant
    Water resistance (splashproof)
    yes
    ▲ Better than 76% of models
    This ereader has splash resistance, while the average eReader does not. 24.8% of eReaders have splash resistance.
  • Page-turn buttons
    Page-turn buttons
    yes
    ▲ Better than 56% of models
    This ereader has page-turn buttons, while the average eReader does not. 44.7% of eReaders have page-turn buttons.
  • 2 m higher waterproof depth rating
    Waterproof depth rating
    2 m
    ▲ Better than 80% of models
    Market range: <0 m – >5 m
    This ereader offers deeper waterproofing than the average eReader (2 m vs 0 m). The average eReader waterproof depth rating is 0 m.
    2 m vs 0 m
  • 2 newer
    Release date
    2023
    ▲ Better than 73% of models
    Market range: <2k – >2k
    This ereader is newer than the average eReader (2023 vs 2021). The average eReader was released in 2021.
    2,023 vs 2,021
  • Limited bookstore ecosystem
    Supported bookstore ecosystem
    PocketBook Open Ecosystem
    ▼ Worse than 63% of models
    This ereader uses the PocketBook Open Ecosystem bookstore ecosystem, while the average eReader uses Android Open Ecosystem.
    Supports stores offering Adobe DRM or DRM-free books.
    PocketBook Open Ecosystem vs Android Open Ecosystem
  • 6 hours shorter battery life
    Battery life
    15 hours
    ▼ Worse than 66% of models
    Market range: <12 hours – >42 hours
    This ereader offers shorter battery life than the average eReader (15 hours vs 21 hours). The average eReader offers 21 hours of battery life.
    up to a month of typical use, exact continuous hours not specified
    15 hours vs 21 hours
  • Less advanced operating system
    Operating system
    PocketBook OS
    ▼ Worse than 83% of models
    This ereader uses PocketBook OS, a less advanced operating system than Kindle OS on the average eReader.
    Linux 3.1.65
    PocketBook OS vs Kindle OS
  • 24.4% heavier
    Weight
    265 g
    ▼ Worse than 68% of models
    Market range: <160 g – >480 g
    This ereader is heavier than the average eReader (265 g vs 213 g). The average eReader weighs 213 g.
    265 g vs 213 g
  • Versions older Bluetooth
    Bluetooth version
    4.0
    ▼ Worse than 53% of models
    Market range: <1 – >6
    This ereader supports an older Bluetooth version than the average eReader (4 vs 5.1).
    4.0 vs 5.1
  • No parental controls
    Parental controls
    only full device passcode
    ▼ Worse than 91% of models
    This ereader does not have parental controls, while the average eReader does.
    only full device passcode vs yes
  • 9% lower user score
    User score
    7.3/ 10
    ✕
    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 distribution
    ▼▼
    <55-66-77-88-99-10
    Pocketbook Inkpad 4
    the average eReader
    Pocketbook Inkpad 4 has a lower user score than the average eReader (7.34 vs 8.000).
    7.34 vs 8
  • 16.5 mm taller
    Height
    189.5 mm
    ▼ Worse than 65% of models
    Market range: <150 mm – >240 mm
    This ereader is taller than the average eReader (189.5 mm vs 173 mm). The average eReader height is 173 mm.
    189.5 mm vs 173 mm
  • 9% lower user score
    User score
    7.3/ 10
    ✕
    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 distribution
    ▼▼
    <55-66-77-88-99-10
    Pocketbook Inkpad 4
    the average eReader
    Pocketbook Inkpad 4 has a lower user score than the average eReader (7.34 vs 8.000).
    7.34 vs 8
  • 52.9% more expensive
    Pocketbook Inkpad 4 is more expensive than the average eReader (£260 vs £170).
    £260 vs £170
  • Limited bookstore ecosystem
    Supported bookstore ecosystem
    PocketBook Open Ecosystem
    ▼ Worse than 63% of models
    This ereader uses the PocketBook Open Ecosystem bookstore ecosystem, while the average eReader uses Android Open Ecosystem.
    Supports stores offering Adobe DRM or DRM-free books.
    PocketBook Open Ecosystem vs Android Open Ecosystem
  • No parental controls
    Parental controls
    only full device passcode
    ▼ Worse than 91% of models
    This ereader does not have parental controls, while the average eReader does.
    only full device passcode vs yes
  • 6 hours shorter battery life
    Battery life
    15 hours
    ▼ Worse than 66% of models
    Market range: <12 hours – >42 hours
    This ereader offers shorter battery life than the average eReader (15 hours vs 21 hours). The average eReader offers 21 hours of battery life.
    up to a month of typical use, exact continuous hours not specified
    15 hours vs 21 hours
  • Less advanced operating system
    Operating system
    PocketBook OS
    ▼ Worse than 83% of models
    This ereader uses PocketBook OS, a less advanced operating system than Kindle OS on the average eReader.
    Linux 3.1.65
    PocketBook OS vs Kindle OS
  • Versions older Bluetooth
    Bluetooth version
    4.0
    ▼ Worse than 53% of models
    Market range: <1 – >6
    This ereader supports an older Bluetooth version than the average eReader (4 vs 5.1).
    4.0 vs 5.1
  • 24.4% heavier
    Weight
    265 g
    ▼ Worse than 68% of models
    Market range: <160 g – >480 g
    This ereader is heavier than the average eReader (265 g vs 213 g). The average eReader weighs 213 g.
    265 g vs 213 g
  • 16.5 mm taller
    Height
    189.5 mm
    ▼ Worse than 65% of models
    Market range: <150 mm – >240 mm
    This ereader is taller than the average eReader (189.5 mm vs 173 mm). The average eReader height is 173 mm.
    189.5 mm vs 173 mm

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

9.0
The French eReader Guy
≈ estimated
09/10/2023
Hands-on review · screen, software and audio tests
Verdict
Pocketbook Inkpad 4 is an excellent e-reader for demanding readers, with a comfortable screen and a very good reading experience.
9.5
Chalid Raqami
≈ estimated
31/07/2023
Full review · build, screen, software and text-to-speech tests
Verdict
Pocketbook Inkpad 4 is nearly perfect and the best 8-inch e-reader available right now, with only minor drawbacks.
9.0
Good e-Reader
≈ estimated
25/05/2023
Hands-on review · light, note-taking and store tests
Verdict
Pocketbook Inkpad 4 is a balanced, attractive reader with a strong front light, though its lack of apps and Europe-only library limit it.
Hands-on video, no verdict
Overview video
Overview video

Expert reviews

In-depth analysis and verdict from leading tech publications

B
borednbookless.com
11/04/2023
Summary of the review
Pocketbook InkPad 4: A Comprehensive Review BorednBookless Would you like a comparison of the PocketBook InkPad 4 against its predecessor, the InkPad...
G
goodereader.com
25/05/2023
Summary of the review
Review of the Pocketbook Inkpad 4 e-reader
chip.de
31/01/2025
Lab test · Display and battery
Verdict
The PocketBook InkPad 4 is a sharp, long-lasting grayscale reader that is safe in the bath or by the pool, though its main drawback is a slightly sluggish system.
computerbild.de
14/06/2023
Lab test · Speed and build
Verdict
The PocketBook InkPad 4 is a fast, sharp reader with plenty of storage and waterproofing, though its dictionaries are thin and it has no password lock.
allesebook.de
04/06/2023
Detailed test · Design and display
Verdict
The PocketBook InkPad 4 is a modern, evenly lit reader with long battery life, though at 265 g it is no longer light.
papierlos-lesen.de
31/05/2023
Two-week test · Library reader
Verdict
The PocketBook InkPad 4 suits library readers who want a customizable menu, though its touch-sensitive edges and slow screen rotation can annoy.
rustysoft.de
29/05/2023
Hands-on test · Library borrowing
Verdict
The PocketBook InkPad 4 is a solid, reliable reader for library borrowers and PDF readers, but its text settings are basic and deleted books leave data behind.
H
heise.de
27/06/2023
Summary of the review
PocketBook InkPad 4 review: E-reader with audiobook support
(Translated)Show original
computerbase.de
28/07/2023
Lab test · Compact upgrade
Verdict
The PocketBook InkPad 4 is a smaller, well-built reader with strong format support and sharp PDFs, but upgrading from the InkPad 3 is not always worth it.
tomsguide.fr
24/10/2023
Hands-on test · Large-screen reader
Verdict
The PocketBook InkPad 4 is a sharp, big-screen reader that suits comic fans, though small delays and a slow auto light let it down.
julianmarquina.es
22/06/2023
Feature review · Audiobook reader
Verdict
The PocketBook InkPad 4 suits readers who want audiobooks and e-books on one device, with a sharp screen and waterproofing.
wwwhatsnew.com
29/06/2023
Long-term review · Audio reader
Verdict
The PocketBook InkPad 4 suits readers who want waterproofing and audiobook playback, though its bookstore is very limited.
E
estandarte.com
22/09/2023
Summary of the review
PocketBook InkPad 4: a bestseller with a latest-generation screen
(Translated)Show original
A
altroconsumo.it
18/03/2026
Summary of the review
PocketBook InkPad 4 E-reader: Review and Testing
(Translated)Show original
smartworld.it
11/08/2023
Hands-on review · Audio e-reader
Verdict
The PocketBook InkPad 4 suits buyers who want a sturdy, waterproof 7.8-inch e-reader, but Italian readers will find almost no titles in its store.
C
consumentenbond.nl
Onbekend
Summary of the review
Pocketbook Inkpad 4 - Test, Reviews & Prices
(Translated)Show original

Third-party reviews

Based on 495 buyer reviews from online shops.
Reviews last updated: October 2026 · How we calculate this
Read buyer reviews on Amazon →

What we like about Pocketbook Inkpad 4

  • High-quality 7.8-inch E Ink Carta 1200 display with 300 PPI resolution for sharp text
  • Open ecosystem that supports a wide range of formats (EPUB, PDF, CBR, CBZ) without being tied to a specific bookstore
  • Physical page-turn buttons located at the bottom of the device for comfortable manual navigation
  • Waterproof and dust-resistant design (IPX8 rating), making it safe for reading near water
  • Smartlight technology allows for adjustable brightness and color temperature for eye comfort
  • Built-in mono speakers and Bluetooth connectivity for listening to audiobooks and text-to-speech
  • Generous 32GB of internal storage for large ebook and manga collections

What we don't like about Pocketbook Inkpad 4

  • Sluggish performance and slow UI responsiveness, particularly when navigating menus or heavy PDFs
  • Relatively high price point compared to some competitors with similar specs
  • Lack of microSD card expansion for additional storage
  • Heavier and slightly bulkier than smaller e-readers, making one-handed reading less convenient for some
  • Contrast levels are reported as slightly lower than top competitors like the Kindle Paperwhite or Kobo Libra 2
  • Limited app ecosystem since it runs on a proprietary Linux-based OS rather than Android
  • Default dictionary is often cited as poor quality, requiring users to sideload better alternatives

Verdict

The PocketBook InkPad 4 is a versatile 7.8-inch e-reader featuring a sharp E Ink Carta 1200 touchscreen with 300 PPI resolution and an adaptive SMARTlight for adjustable brightness and colour temperature. Its main characteristics include 32GB of internal storage, IPX8 waterproofing for protection against immersion, and a built-in speaker with Bluetooth connectivity for audiobooks and text-to-speech functionality. Key pros are its extensive support for 25 book formats without conversion, physical page-turn buttons for ergonomic one-handed use, and a long-lasting 2,000 mAh battery. However, notable cons include the lack of a microSD card slot for expandable storage and occasional UI sluggishness compared to more powerful Android-based devices.

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