Fitbit Ionic Review | 126 Data compared

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  • Avg. price in UK: ~£260
  • Avg. price in US: ~$300
  • Screen size: ?
  • Battery life: 5 day/s
  • Display type: LCD

Fitbit Ionic review. Compare 126 technical specifications and user reviews to see how it ranks among smartwatches and if it is worth buying.

6.3

Overall score

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

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

Score components:

90.0%

6.3

Technical Score

10.0%

?

User score

Good
6.3

Technical Score

What it is: An assessment of the smartwatch's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

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

Score components:

24.0%

6.4

Health

21.0%

8.6

Fitness

16.0%

2.9

Battery

14.0%

6.0

Smart features

12.0%

6.4

Connectivity

9.0%

7.9

Display & Design

4.0%

3.7

Hardware

Good
?

User score

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

When it matters: When you want to know how a smartwatch handles daily tasks and how reliable it remains over time according to user feedback.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

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    Best prices in UK

      N/A~ £260

    Best rankings

    ?

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

    Verdict

    The [Fitbit Ionic](https://blog.google/products-and-platforms/devices/fitbit/fitbit-launches-ionic-ultimate-health-and-fitness-smartwatch/) is a fitness-focused smartwatch featuring a unibody aerospace-grade aluminium design with a [1.42-inch LCD touchscreen](https://www.wareable.com/smartwatches/fitbit-ionic-review) protected by Gorilla Glass 3 and delivering [1,000 nits of brightness](https://arstechnica.com/gadgets/2017/08/meet-fitbits-newest-device-the-fitbit-ionic-smartwatch/) for sunlight legibility. It includes integrated GPS/GLONASS, a PurePulse heart rate monitor, an [SpO2 sensor](https://pharmaphorum.com/news/fitbit-smartwatch-ionic) for blood oxygen tracking, 2.5GB of local music storage, and [NFC for Fitbit Pay](https://www.chrisclaxton.me.uk/chris-claxtons-blog/fitbit-ionic-smartwatch), all while being [water-resistant up to 50 metres](https://www.youtube.com/watch?v=UApdYJtUaGk). Its main advantages are a reliable [4-to-5-day battery life](https://uk.pcmag.com/smartwatches-1/90903/fitbit-ionic), accurate sleep stage tracking, and cross-platform compatibility with iOS and Android. However, notable drawbacks include a [limited third-party app ecosystem](Use code with caution.jsonhttps://www.stuff.tv/review/fitbit-ionic-review/Use code with caution.json), a lack of interactive notification replies, and a [2022 safety recall](https://help.fitbit.com/en_SG/landing-fitbit.htm) due to potential battery overheating issues.

    Technical Specifications of smartwatch Fitbit Ionic

    Technical Score

    What it is: An assessment of the smartwatch's technical performance, covering eight key areas: performance & hardware, software, camera, connectivity, display, battery, audio, and design.

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

    Score components:

    24.0%

    ?

    Health

    21.0%

    ?

    Fitness

    16.0%

    ?

    Battery

    14.0%

    ?

    Smart features

    12.0%

    ?

    Connectivity

    9.0%

    ?

    Display & Design

    4.0%

    ?

    Hardware

    6.3
    Fitbit Ionic has a technical score of 6.26 points, which is higher than 52.5% of smartwatches.
    User score

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

    When it matters: When you want to know how a smartwatch handles daily tasks and how reliable it remains over time according to user feedback.

    Score components:

    70.0%

    0.0

    User reviews

    30.0%

    1.0

    Popularity

    ?
    Popularity
    What it is: An indicator based on the number of reviews received by the smartwatch.
    When it matters: When you prefer to purchase a product chosen and reviewed by many other consumers.
    1.0
    Fitbit Ionic has a popularity of 1 points, which is lower than 78.2% of products in this category.
    Ratio quality/price

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

    When it matters: When you are looking for a smartwatch with a good balance between quality and price.

    Score components:

    60.0%

    6.3

    Overall score

    40.0%

    9.2

    Price

    7.1
    Fitbit Ionic has a quality-to-price ratio of 7.1 points, which is lower than 57.6% of products in this category.
    Brand name
    What it is: The company that designs, sells, and supports the watch.
    When it matters: When brand ecosystem, style, or support matters to you.

    Importance: MEDIUM

    Fitbit
    Heart rate monitor
    What it is: A built-in sensor that measures your pulse directly from the wrist.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    yes
    Fitbit Ionic includes a heart rate monitor. 90.4% of smartwatches include a heart rate monitor.
    Blood oxygen monitoring
    What it is: A wrist-based feature that estimates blood oxygen saturation over time.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    yes
    Fitbit Ionic supports blood oxygen monitoring. 64.4% of smartwatches support blood oxygen monitoring.
    ECG
    What it is: The ability to record a single-lead electrocardiogram from the wrist.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: HIGH

    no
    Fitbit Ionic does not support ECG. 15.1% of smartwatches support ECG.
    Irregular heart rate warnings
    What it is: Notifications that flag heart-rate patterns which appear unusually irregular.
    When it matters: When you want health data from your wrist during the day or night.

    Importance: MEDIUM

    no
    Fitbit Ionic does not support irregular heart rate warnings. 43.7% of smartwatches support irregular heart rate warnings.
    Show more
    Accelerometer
    What it is: A motion sensor that measures acceleration, steps, gestures, and general movement.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Fitbit Ionic includes an accelerometer. 99.1% of smartwatches include an accelerometer.
    Barometer
    What it is: A pressure sensor used for altitude changes, elevation estimates, and weather-related context.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    yes
    Fitbit Ionic includes a barometer. 45.6% of smartwatches include a barometer.
    Gyroscope
    What it is: A motion sensor that measures rotation and helps interpret wrist movement more accurately.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Fitbit Ionic includes a gyroscope. 64.6% of smartwatches include a gyroscope.
    Cadence sensor
    What it is: A sensor input used to measure step or pedal rhythm during training.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    no
    Fitbit Ionic does not include a cadence sensor. 20.1% of smartwatches include a cadence sensor.
    Distance tracking
    What it is: The ability to measure how far you move during walks, runs, rides, or other activities.
    When it matters: When you track workouts and want better training data.

    Importance: MEDIUM

    yes
    Fitbit Ionic supports distance tracking. 95.7% of smartwatches support distance tracking.
    Show more
    Battery life
    What it is: The typical endurance the watch can deliver on a full charge under the stated usage pattern.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=7 days

    5 day/s
    Fitbit Ionic offers a battery life of 5 day/s which is shorter than that of 63.5% of smartwatches and equal to that of 6.5% of smartwatches.
    Battery life in training mode
    What it is: The expected endurance while workout tracking and related training functions are active.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=36.8 h

    10 h
    Fitbit Ionic lasts 10 h in training mode which is shorter than 67.1% of smartwatches and equal to that of 4.1% of smartwatches.
    10 hours in gps mode.
    Battery life with GPS on
    What it is: The expected runtime when satellite tracking stays active throughout use.
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=35 h

    10 h
    Fitbit Ionic lasts 10 h with GPS on which is shorter than 72.1% of smartwatches and equal to that of 5% of smartwatches.
    Battery power
    What it is: The battery capacity, usually measured in milliampere-hours (mAh).
    When it matters: When you do not want to charge the watch too often.

    Importance: HIGH

    Good value: >=397 mAh

    195 mAh
    Fitbit Ionic has a battery capacity of 195 mAh which is smaller than the batteries in 89.7% of smartwatches and equal to those in 0.3% of smartwatches.
    Charge time
    What it is: The time needed to recharge the battery from empty to full or to a stated percentage.
    When it matters: When you want to top up the battery quickly.

    Importance: HIGH

    Good value: <=102 min

    120 min
    Fitbit Ionic charges in 120 min which is faster than 12.9% of smartwatches and equal to the charge time of 43.4% of smartwatches.
    Show more
    Operating system
    What it is: The software platform that runs the watch interface, apps, and core functions.
    When it matters: When you care about apps, features, and long-term support.

    Importance: HIGH

    Fitbit OS
    Fitbit Ionic runs Fitbit OS which is more advanced than the operating system in 57.6% of smartwatches and the same as that in 1% of smartwatches.
    Software update frequency
    What it is: Shows how actively the watch is still updated: regular means ongoing updates throughout active support, occasional means updates every few months or only from time to time, and ended means active software support has mostly stopped.
    When it matters: When you care how actively the watch is still supported with fixes, patches, and new features.

    Importance: MEDIUM

    ?
    Third-party app support
    What it is: Support for installing or using apps from developers beyond the watch maker.
    When it matters: When you care about apps, features, and long-term support.

    Importance: MEDIUM

    yes
    Fitbit Ionic supports third-party apps. 47.6% of smartwatches support third-party apps.
    Notifications
    What it is: Mirroring of calls, messages, apps, or other alerts on the watch.
    When it matters: When you want to check alerts without taking out your phone.

    Importance: MEDIUM

    yes
    Fitbit Ionic supports notifications. 99.9% of smartwatches support notifications.
    Voice assistant support
    What it is: Support for a voice assistant that can answer queries or trigger actions from the wrist.
    When it matters: When you want to control the watch or reply without typing.

    Importance: MEDIUM

    no
    Fitbit Ionic does not support voice assistants. 68% of smartwatches support voice assistants.
    Show more
    Cellular module
    What it is: Built-in mobile connectivity that can keep the watch online away from the phone.
    When it matters: When you want calls, messages, or data without your phone nearby.

    Importance: HIGH

    no
    Fitbit Ionic does not include a cellular module. 17.2% of smartwatches include a cellular module.
    SIM cards
    What it is: The number or type of SIM options the watch accepts for cellular service.
    When it matters: When you want calls, messages, or data without your phone nearby.

    Importance: LOW

    Good value: eSIM support

    0
    GPS
    What it is: Built-in satellite positioning that lets the watch record location during outdoor activity.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: HIGH

    yes
    Fitbit Ionic supports GPS. 56.1% of smartwatches support GPS.
    Galileo support
    What it is: Support for Galileo satellites alongside other positioning systems.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    no
    Fitbit Ionic does not support Galileo navigation. 38.7% of smartwatches support Galileo navigation.
    Compass
    What it is: A directional sensor that helps the watch determine heading and orientation.
    When it matters: When you run, ride, hike, or navigate without relying on your phone.

    Importance: MEDIUM

    yes
    Fitbit Ionic includes a compass. 49.3% of smartwatches include a compass.
    Show more
    Screen size
    What it is: The diagonal measurement of the visible display area, usually expressed in inches.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: HIGH

    Good value: >=1.5 inch

    ?
    Display type
    What it is: The screen technology used by the watch, such as AMOLED, OLED, or memory-in-pixel LCD.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: HIGH

    LCD
    Fitbit Ionic uses a LCD display type which is less advanced than that of 90.3% of smartwatches and the same as that of 7.8% of smartwatches.
    Resolution
    What it is: The total number of pixels available on the watch display.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: MEDIUM

    Good value: >=416 x 416

    250 x 348
    Fitbit Ionic has a display resolution of 250x348 which is lower than that of 66.2% of smartwatches of smartwatches.
    Pixel density
    What it is: The number of pixels packed into each inch of the display.
    When it matters: When you want the screen to be easy to read at a glance.

    Importance: MEDIUM

    Good value: >=326 ppi

    302 ppi
    Fitbit Ionic has a pixel density of 302 ppi which is lower than that of 62.4% of smartwatches and equal to that of 0.6% of smartwatches.
    Display brightness
    What it is: The peak brightness the display can reach, usually expressed in nits.
    When it matters: When you want the screen to stay readable outdoors and in strong sunlight.

    Importance: HIGH

    Good value: >=1000 nits

    1,000 nits
    Fitbit Ionic reaches 1000 nits nits of display brightness, which is higher than that of 59.5% of smartwatches and equal to that of 26.5% of smartwatches.
    Show more
    CPU speed
    What it is: The clock speed of the watch processor, usually expressed in GHz or MHz.
    When it matters: When you want apps and menus to feel smooth.

    Importance: MEDIUM

    Good value: Modern standard

    0.12 GHz
    Fitbit Ionic uses a CPU configuration of 0.12 GHz which is slower than that in 85.6% of smartwatches and equal to that in 1.2% of smartwatches.
    Processor model
    What it is: The processor model is the chipset or SoC that powers the watch's performance, connectivity, and efficiency.
    When it matters: When you care about app responsiveness, platform generation, and long-term feature support.

    Importance: LOW

    Good value: modern smartwatch chipset

    Toshiba TZ1201XBG
    Fitbit Ionic uses the Toshiba TZ1201XBG processor model.
    RAM
    What it is: The amount of working memory available for apps, watch faces, and background tasks.
    When it matters: When you want apps and menus to feel smooth.

    Importance: MEDIUM

    Good value: >=1 GB

    2 GB
    Fitbit Ionic has 2 GB of RAM which is larger than the RAM in 67.3% of smartwatches and equal to that of 16.5% of smartwatches.
    Internal storage
    What it is: Built-in storage for apps, music, watch faces, and other local data.
    When it matters: When you want more room for apps, music, or offline data.

    Importance: MEDIUM

    Good value: >=8 GB

    4 GB
    Fitbit Ionic uses 4 GB for internal storage which is larger than that of 40.5% of smartwatches and equal to that of 26.9% of smartwatches.
    About 2.5 GB usable after system files.
    External memory slot
    What it is: A slot for expandable storage such as a memory card, if the watch provides one.
    When it matters: When you want more room for apps, music, or offline data.

    Importance: LOW

    no
    Fitbit Ionic does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
    Uses internal storage only (no external memory slot)
    Show more

    Fitbit Ionic vs the average smartwatch

    • Has NFC
      Fitbit Ionic supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
      What it is: Near-field communication hardware used for payments, pairing, or quick tap-based actions.
      When it matters: When you want to pay quickly or pair devices with a tap.

      Importance: HIGH

      Fitbit Ionic supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Has readiness score
      Fitbit Ionic supports readiness scores, the average smartwatch does not. 18.4% of smartwatches support readiness scores.
      What it is: A recovery-style score that combines recent activity, sleep, and body data into one summary.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: MEDIUM

      Fitbit Ionic supports readiness scores, the average smartwatch does not. 18.4% of smartwatches support readiness scores.
    • Supports VO2 max
      Fitbit Ionic measures VO2 max, the average smartwatch does not. 49.3% of smartwatches measure VO2 max.
      What it is: Estimated VO2 max, a fitness metric linked to aerobic capacity and endurance.
      When it matters: When you track workouts and want better training data.

      Importance: MEDIUM

      Fitbit Ionic measures VO2 max, the average smartwatch does not. 49.3% of smartwatches measure VO2 max.
    • Has barometer
      Fitbit Ionic includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a barometer.
      What it is: A pressure sensor used for altitude changes, elevation estimates, and weather-related context.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: MEDIUM

      Fitbit Ionic includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a barometer.
    • Supports third-party apps
      Fitbit Ionic supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
      What it is: Support for installing or using apps from developers beyond the watch maker.
      When it matters: When you care about apps, features, and long-term support.

      Importance: MEDIUM

      Fitbit Ionic supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • Stronger display glass
      Fitbit Ionic uses Corning Gorilla Glass 3 display glass, while the average smartwatch uses mineral glass.
      What it is: The glass material or protective cover used over the display.
      When it matters: When you want the screen to be easy to read at a glance.

      Importance: MEDIUM

      Good value: Sapphire or Gorilla Glass

      Fitbit Ionic uses Corning Gorilla Glass 3 display glass, while the average smartwatch uses mineral glass.Corning Gorilla Glass 3 vs mineral glass
    • Has compass
      Fitbit Ionic includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
      What it is: A directional sensor that helps the watch determine heading and orientation.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: MEDIUM

      Fitbit Ionic includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Has rugged design
      Fitbit Ionic has a rugged design, the average smartwatch does not. 34.5% of smartwatches have a rugged design.
      Rugged design supported by MIL-STD/military-grade durability claim.
      What it is: A build style aimed at tougher environments, impacts, and harsher outdoor use.
      When it matters: When you wear the watch in rain, sweat, or water.

      Importance: MEDIUM

      Fitbit Ionic has a rugged design, the average smartwatch does not. 34.5% of smartwatches have a rugged design.
    • Has readiness score
      Fitbit Ionic supports readiness scores, the average smartwatch does not. 18.4% of smartwatches support readiness scores.
    • Supports VO2 max
      Fitbit Ionic measures VO2 max, the average smartwatch does not. 49.3% of smartwatches measure VO2 max.
    • Supports calorie tracking
      Fitbit Ionic supports calorie tracking, the average smartwatch does not. 43.8% of smartwatches support calorie tracking.
    • Has weight tracking
      Fitbit Ionic supports weight tracking, the average smartwatch does not. 39.2% of smartwatches support weight tracking.
    • Supports water intake tracking
      Fitbit Ionic tracks water intake, the average smartwatch does not. 48.2% of smartwatches track water intake.
    • Has barometer
      Fitbit Ionic includes a barometer, the average smartwatch does not. 45.6% of smartwatches include a barometer.
    • Has NFC
      Fitbit Ionic supports NFC, the average smartwatch does not. 42.5% of smartwatches support NFC.
    • Has compass
      Fitbit Ionic includes a compass, the average smartwatch does not. 49.3% of smartwatches include a compass.
    • Supports Wi-Fi
      Fitbit Ionic supports Wi-Fi, the average smartwatch does not. 43.4% of smartwatches support Wi-Fi.
    • Stronger display glass
      Fitbit Ionic uses Corning Gorilla Glass 3 display glass, while the average smartwatch uses mineral glass.
    • Has rugged design
      Fitbit Ionic has a rugged design, the average smartwatch does not. 34.5% of smartwatches have a rugged design.
    • 400 nits higher display brightness
      Fitbit Ionic has higher display brightness than the average smartwatch (1000 nits nits vs 600 nits nits). The average smartwatch reaches 600 nits nits.
    • 32.8 mm shorter watch height
      Fitbit Ionic is shorter than the average smartwatch (12.2 mm vs 45 mm). The average smartwatch height is 45 mm.
    • Supports third-party apps
      Fitbit Ionic supports third-party apps, the average smartwatch does not. 47.6% of smartwatches support third-party apps.
    • More advanced operating system
      Fitbit Ionic runs a more advanced operating system than the average smartwatch (Fitbit OS vs Proprietary OS).
    • 1 GB more RAM
      Fitbit Ionic has more RAM than the average smartwatch (2 GB vs 1 GB). The average smartwatch includes 1 GB of RAM.
    • No stress monitoring
      Fitbit Ionic does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No voice feedback
      Fitbit Ionic does not support voice feedback, the average smartwatch does. 62.1% of smartwatches support voice feedback.
    • 60 fewer exercise profiles
      Fitbit Ionic supports fewer exercise modes than the average smartwatch (20 vs 80). The average smartwatch supports 80 exercise modes.
    • No low power mode
      Fitbit Ionic does not include a low power mode, the average smartwatch does. 93.6% of smartwatches include a low power mode.
    • 105 mAh smaller battery capacity
      Fitbit Ionic has a smaller battery capacity than the average smartwatch (195 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    • 10 h shorter GPS battery life
      Fitbit Ionic lasts less with GPS on than the average smartwatch (10 h vs 20 h). The average smartwatch lasts 20 h.
    • 10 h shorter training battery life
      Fitbit Ionic lasts less in training mode than the average smartwatch (10 h vs 20 h). The average smartwatch lasts 20 h.
      10 hours in gps mode.
    • 2 day/s shorter battery life
      Fitbit Ionic offers 5 day/s of battery life, while the average smartwatch offers 7 day/s.
    • Older Bluetooth version
      Fitbit Ionic supports an older Bluetooth version than the average smartwatch (4 vs 5.0). The average smartwatch uses 5.0.
    • Basic display type
      Fitbit Ionic uses LCD display technology, while the average smartwatch features AMOLED.
    • Lower resolution
      Fitbit Ionic has a display resolution of 250x348, while the average smartwatch reaches 352x430.
    • 24 ppi lower pixel density
      Fitbit Ionic has a lower pixel density than the average smartwatch (302 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    • 0.6 mm thicker watch body
      Fitbit Ionic is thicker than the average smartwatch (12.2 mm vs 11.6 mm). The average smartwatch thickness is 11.6 mm.
    • No call answering
      Fitbit Ionic does not support call answering, the average smartwatch does. 57% of smartwatches support call answering.
    • No voice commands
      Fitbit Ionic does not support voice commands, the average smartwatch does. 64.5% of smartwatches support voice commands.
    • No voice assistant
      Fitbit Ionic does not support voice assistants, the average smartwatch does. 68% of smartwatches support voice assistants.
    • No camera remote control
      Fitbit Ionic does not include built-in camera remote control, the average smartwatch does. 85.2% of smartwatches that are equipped with a camera include built-in camera remote control.
      Not built-in; available only via third-party apps.
    • No speaker
      Fitbit Ionic does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • 1 fewer microphones
      Fitbit Ionic has fewer microphones than the average smartwatch (0 vs 1). The average smartwatch includes 1 microphones.
    • Less advanced processor model
      Fitbit Ionic uses the Toshiba TZ1201XBG processor model, while the average smartwatch uses Snapdragon 400.
    • Slower CPU speed
      Fitbit Ionic uses a CPU configuration of 0.12 GHz, while the average smartwatch uses 1 GHz.
    • 4 year/s older release date
      Fitbit Ionic is an older model than the average smartwatch (2017 vs 2021). The average smartwatch was released in 2021.
      October 2017
    • Basic display type
      Fitbit Ionic uses LCD display technology, while the average smartwatch features AMOLED.
      What it is: The screen technology used by the watch, such as AMOLED, OLED, or memory-in-pixel LCD.
      When it matters: When you want the screen to be easy to read at a glance.

      Importance: HIGH

      Fitbit Ionic uses LCD display technology, while the average smartwatch features AMOLED.LCD vs AMOLED
    • No speaker
      Fitbit Ionic does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
      What it is: An onboard speaker for calls, prompts, alarms, or media playback.
      When it matters: When you want audio, calls, or voice features on the watch itself.

      Importance: LOW

      Fitbit Ionic does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • No stress monitoring
      Fitbit Ionic does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
      What it is: Stress estimates derived from heart rate, HRV, or similar body signals.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: HIGH

      Fitbit Ionic does not support stress monitoring, the average smartwatch does. 65.4% of smartwatches support stress monitoring.
    • No call answering
      Fitbit Ionic does not support call answering, the average smartwatch does. 57% of smartwatches support call answering.
      What it is: The ability to answer an incoming call directly from the watch.
      When it matters: When you want to handle calls or alerts without taking out your phone.

      Importance: LOW

      Fitbit Ionic does not support call answering, the average smartwatch does. 57% of smartwatches support call answering.
    • No voice commands
      Fitbit Ionic does not support voice commands, the average smartwatch does. 64.5% of smartwatches support voice commands.
      What it is: The ability to control functions or start actions using spoken commands.
      When it matters: When you want to control the watch or reply without typing.

      Importance: MEDIUM

      Fitbit Ionic does not support voice commands, the average smartwatch does. 64.5% of smartwatches support voice commands.
    • No low power mode
      Fitbit Ionic does not include a low power mode, the average smartwatch does. 93.6% of smartwatches include a low power mode.
      What it is: A power-saving mode that reduces features or performance to stretch battery life.
      When it matters: When you do not want to charge the watch too often.

      Importance: MEDIUM

      Fitbit Ionic does not include a low power mode, the average smartwatch does. 93.6% of smartwatches include a low power mode.
    • No voice assistant
      Fitbit Ionic does not support voice assistants, the average smartwatch does. 68% of smartwatches support voice assistants.
      What it is: Support for a voice assistant that can answer queries or trigger actions from the wrist.
      When it matters: When you want to control the watch or reply without typing.

      Importance: MEDIUM

      Fitbit Ionic does not support voice assistants, the average smartwatch does. 68% of smartwatches support voice assistants.
    • 105 mAh smaller battery capacity
      Fitbit Ionic has a smaller battery capacity than the average smartwatch (195 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
      What it is: The battery capacity, usually measured in milliampere-hours (mAh).
      When it matters: When you do not want to charge the watch too often.

      Importance: HIGH

      Good value: >=397 mAh

      Fitbit Ionic has a smaller battery capacity than the average smartwatch (195 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.195 mAh vs 300 mAh

    Graphic comparison of Fitbit Ionic and other Smartwatches

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    Third-party reviews

    What customers like about Fitbit Ionic?

    • Excellent battery life, typically lasting 4 to 5 days on a single charge.
    • Bright and vibrant high-resolution display (up to 1,000 nits), making it easy to read in sunlight.
    • Comprehensive fitness tracking features, including built-in GPS, heart rate monitoring, and swim-proofing up to 50m.
    • Lightweight and comfortable aluminum unibody design that curves around the wrist.
    • Seamless integration with the established and user-friendly Fitbit app platform.
    • Convenient features like Fitbit Pay for contactless payments and automatic workout detection.

    What customers dislike about Fitbit Ionic?

    • Product was recalled in 2022 due to serious battery overheating and burn hazard concerns.
    • Divisive 'retro' design described by some as boxy, chunky, or 'ugly' compared to modern smartwatches.
    • Limited third-party app ecosystem and lack of deep integration for notifications (e.g., no microphone for replies).
    • Interface and touchscreen can be sluggish or unresponsive, particularly with raise-to-wake gestures.
    • Expensive original price point that many reviewers felt was not justified by its limited smartwatch capabilities.
    • Cumbersome manual process for syncing and transferring music to the device.

    Expert reviews

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    wareable.com
    12/03/2018
    Summary of the review
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    editorial.recombu.com
    22/10/2017
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    garagegymreviews.com
    20/11/2024
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    techfortravel.co.uk
    09/11/2017
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    mashable.com
    19/09/2017
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    C
    cnet.com
    15/02/2018
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    stuff.tv
    07/02/2023
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    ultrarunning.com
    31/01/2018
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    techradar.com
    26/05/2020
    Summary of the review
    E
    expertreviews.co.uk
    03/03/2022
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    T
    t3.com
    04/03/2022
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    B
    bikeradar.com
    15/12/2017
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    trustedreviews.com
    01/02/2018
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    pocket-lint.com
    21/06/2018
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    uk.pcmag.com
    19/09/2017
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    theverge.com
    02/10/2017
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    C
    cnbc.com
    29/09/2017
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    F
    forbes.com
    31/10/2017
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    H
    heise.de
    07/11/2017
    Summary of the review
    C
    computerbild.de
    16/01/2018
    Summary of the review
    C
    chip.de
    08/11/2017
    Summary of the review
    M
    maclife.de
    25/03/2018
    Summary of the review
    F
    fitness-tracker-test.info
    17/12/2017
    Summary of the review
    N
    netzwelt.de
    17/11/2017
    Summary of the review
    C
    cnetfrance.fr
    10/10/2017
    Summary of the review
    M
    montre-cardio-gps.fr
    12/12/2017
    Summary of the review
    R
    roxarmy.com
    12/05/2018
    Summary of the review
    V
    vonguru.fr
    29/01/2018
    Summary of the review
    F
    fr.ign.com
    19/01/2018
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    L
    lesnumeriques.com
    16/12/2017
    Summary of the review
    L
    leclaireur.fnac.com
    18/10/2017
    Summary of the review
    0
    01net.com
    11/10/2017
    Summary of the review
    S
    socialgeek.co
    09/04/2018
    Summary of the review
    G
    gizlogic.com
    20/04/2018
    Summary of the review
    C
    community.fitbit.com
    23/12/2017
    Summary of the review
    D
    dday.it
    02/09/2017
    Summary of the review
    I
    ilsole24ore.com
    26/10/2017
    Summary of the review
    A
    andreagaleazzi.com
    02/02/2018
    Summary of the review
    S
    socialandtech.net
    09/02/2019
    Summary of the review
    M
    macitynet.it
    08/12/2018
    Summary of the review
    R
    runningwithmo.com
    17/03/2018
    Summary of the review
    G
    global.techradar.com
    11/12/2019
    Summary of the review
    T
    tweakers.net
    03/10/2017
    Summary of the review
    P
    portablegear.nl
    Undated (circa 2017)
    Summary of the review
    F
    fitwithmarit.nl
    18/02/2018
    Summary of the review
    I
    ilovehealth.nl
    19/01/2018
    Summary of the review
    T
    techtesters.eu
    18/10/2019
    Summary of the review

    Video reviews

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