Boat Ultima Call Max Review | 126 Data compared
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Boat Ultima Call Max Review | 126 Data compared

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  • Avg. price: ~£45
  • Screen size: ?
  • Battery life: 10 days
  • Display type: TFT LCD

Boat Ultima Call Max review. Compare 126 technical specifications and user reviews to see how this product ranks in the Smartwatches category and whether it is worth buying.

6.5

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%

8.0

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%

5.8

Health

21.0%

8.7

Fitness

16.0%

6.5

Battery

14.0%

6.6

Smart features

12.0%

2.6

Connectivity

9.0%

5.2

Display & Design

4.0%

8.6

Hardware

Good
8.0

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%

7.6

User reviews

30.0%

9.1

Popularity

User score:
United Kingdom
amazon
3.8
(2516)
amazon
3.7
(1033)
amazon
3.7
(481)
amazon
4.0
(394)
amazon
3.9
(306)
United States
Amazon_logo.png
3.7
(1036)

(Reviews last updated: April 2026)

Excellent
    • No image
    No image

    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 boAt Ultima Call Max is a feature-rich smartwatch headlined by a large 2-inch HD display with 500 nits brightness and an edgy metallic body. It features advanced single-chip Bluetooth calling with a built-in dial pad, 100+ sports modes, and an IP68 dust and water resistance rating. Key pros include its impressive battery life of up to 10 days (2 days with heavy BT calling), comprehensive health suite (Heart Rate, SpO2, and Sleep monitoring), and over 100 customisable watch faces. However, notable cons include the lack of built-in GPS, no internal music storage, and reports of occasional UI lag and step-counting inaccuracies.

    Technical Specifications of smartwatch Boat Ultima Call Max

    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%

    5.8

    Health

    21.0%

    8.7

    Fitness

    16.0%

    6.5

    Battery

    14.0%

    6.6

    Smart features

    12.0%

    2.6

    Connectivity

    9.0%

    5.2

    Display & Design

    4.0%

    8.6

    Hardware

    6.3
    Boat Ultima Call Max has a technical score of 6.3 points, which is higher than 51.4% 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%

    7.6

    User reviews

    30.0%

    9.1

    Popularity

    User score:
    United Kingdom
    amazon
    3.8
    (2516)
    amazon
    3.7
    (1033)
    amazon
    3.7
    (481)
    amazon
    4.0
    (394)
    amazon
    3.9
    (306)
    United States
    Amazon_logo.png
    3.7
    (1036)

    (Reviews last updated: April 2026)

    8.0
    Boat Ultima Call Max has a user score of 8.03 points, which is higher than 58.8% of smartwatches.
    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.
    9.1
    Boat Ultima Call Max has a popularity of 9.1 points, which is higher than 80.2% 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%

    6.5

    Overall score

    40.0%

    10

    Price

    7.5
    Boat Ultima Call Max has a quality-to-price ratio of 7.5 points, which is higher than 53.8% 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: LOW

    Boat
    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: MEDIUM

    yes
    Boat Ultima Call Max includes a heart rate monitor. 10.5% 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: MEDIUM

    yes
    Boat Ultima Call Max supports blood oxygen monitoring. 33.4% of smartwatches support blood oxygen monitoring.
    Readings are for wellness use, not medical diagnosis.
    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: MEDIUM

    no
    Boat Ultima Call Max does not support ECG. 16.6% 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: LOW

    no
    Boat Ultima Call Max does not support irregular heart rate warnings. 48.2% 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: LOW

    yes
    Boat Ultima Call Max includes an accelerometer. 0.6% 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: LOW

    yes
    Boat Ultima Call Max includes a barometer. 50.6% 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: LOW

    ?
    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: LOW

    yes
    Boat Ultima Call Max includes a cadence sensor. 69% of smartwatches include a cadence sensor.
    Cadence may require external sensor/app pairing on some models.
    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
    Boat Ultima Call Max supports distance tracking. 4.1% 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

    10 days
    Boat Ultima Call Max offers a battery life of 10 days which is longer than that of 63.3% of smartwatches and equal to that of 6.7% of smartwatches.
    Up to 2 days with BT calling.
    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: MEDIUM

    Good value: >=36.8 h

    ?
    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: MEDIUM

    Good value: >=35 h

    N/A
    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: LOW

    Good value: >=397 mAh

    280 mAh
    Boat Ultima Call Max has a battery capacity of 280 mAh which is smaller than the batteries in 59.5% of smartwatches and equal to those in 2.8% 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: MEDIUM

    Good value: <=102 min

    120 min
    Boat Ultima Call Max charges in 120 min which is faster than 13.1% of smartwatches and equal to the charge time of 44.2% of smartwatches.
    Approximate value from reported charging range: 120 minutes.
    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: MEDIUM

    Crest+ OS
    Boat Ultima Call Max runs Crest+ OS which is less advanced than the operating system in 50.9% of smartwatches and the same as that in 1.4% 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: LOW

    no
    Boat Ultima Call Max does not support third-party apps. 47.7% 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: LOW

    yes
    Boat Ultima Call Max supports notifications. 0.3% 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: LOW

    yes
    Boat Ultima Call Max supports voice assistants. 32.4% 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: LOW

    no
    Boat Ultima Call Max does not include a cellular module. 18% 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: MEDIUM

    no
    Boat Ultima Call Max does not support GPS. 56.2% 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: LOW

    no
    Boat Ultima Call Max does not support Galileo navigation. 38.5% 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: LOW

    no
    Boat Ultima Call Max does not include a compass. 52.7% 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: LOW

    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: LOW

    TFT LCD
    Boat Ultima Call Max uses a TFT LCD display type which is less advanced than that of 74.1% of smartwatches and the same as that of 15.9% 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: LOW

    Good value: >=416 x 416

    240 x 283
    Boat Ultima Call Max has a display resolution of 240x283 which is lower than that of 69.7% of smartwatches and equal to that of 0.2% 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: LOW

    Good value: >=326 ppi

    341 ppi
    Boat Ultima Call Max has a pixel density of 341 ppi which is higher than that of 59.5% of smartwatches and equal to that of 0.9% 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: LOW

    Good value: >=1000 nits

    500 nits
    Boat Ultima Call Max reaches 500 nits nits of display brightness, which is lower than that of 70% of smartwatches and equal to that of 15.6% 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: LOW

    Good value: Modern standard

    ?
    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

    ?
    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: LOW

    Good value: >=1 GB

    ?
    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: LOW

    Good value: >=8 GB

    ?
    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
    Boat Ultima Call Max does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
    Show more

    Boat Ultima Call Max vs the average smartwatch

    • Blood pressure monitoring
      Boat Ultima Call Max supports blood pressure monitoring, the average smartwatch does not. 22% of smartwatches support blood pressure monitoring.
      Measurements are for wellness guidance, not medical diagnosis.
      What it is: Blood pressure measurement or estimation features available through the watch ecosystem.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: MEDIUM

      Boat Ultima Call Max supports blood pressure monitoring, the average smartwatch does not. 22% of smartwatches support blood pressure monitoring.
    • Emergency SOS
      Boat Ultima Call Max includes Emergency SOS, the average smartwatch does not. 42.8% of smartwatches include Emergency SOS.
      What it is: An emergency feature that can contact help or alert trusted people from the watch.
      When it matters: When you want extra help in an emergency.

      Importance: LOW

      Boat Ultima Call Max includes Emergency SOS, the average smartwatch does not. 42.8% of smartwatches include Emergency SOS.
    • Cadence tracking
      Boat Ultima Call Max includes a cadence sensor, the average smartwatch does not. 31.1% of smartwatches include a cadence sensor.
      Cadence may require external sensor/app pairing on some models.
      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: LOW

      Boat Ultima Call Max includes a cadence sensor, the average smartwatch does not. 31.1% of smartwatches include a cadence sensor.
    • Barometer sensor included
      Boat Ultima Call Max includes a barometer, the average smartwatch does not. 49.5% 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: LOW

      Boat Ultima Call Max includes a barometer, the average smartwatch does not. 49.5% of smartwatches include a barometer.
    • Calorie tracking
      Boat Ultima Call Max supports calorie tracking, the average smartwatch does not. 48.6% of smartwatches support calorie tracking.
      What it is: Estimated calorie burn based on movement, heart data, and user profile inputs.
      When it matters: When you track workouts and want better training data.

      Importance: LOW

      Boat Ultima Call Max supports calorie tracking, the average smartwatch does not. 48.6% of smartwatches support calorie tracking.
    • 3 days day/s longer battery life
      Boat Ultima Call Max offers 10 days of battery life, while the average smartwatch offers 7 days.
      Up to 2 days with BT calling.
      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

      Boat Ultima Call Max offers 10 days of battery life, while the average smartwatch offers 7 days.10 days vs 7 days
    • Route support
      Boat Ultima Call Max supports route support, the average smartwatch does not. 50% of smartwatches support route support.
      What it is: Support for following saved routes, courses, or turn guidance during activities.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: LOW

      Boat Ultima Call Max supports route support, the average smartwatch does not. 50% of smartwatches support route support.
    • More advanced operating system
      Boat Ultima Call Max runs a more advanced operating system than the average smartwatch (Crest+ OS vs Proprietary OS).
      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: MEDIUM

      Boat Ultima Call Max runs a more advanced operating system than the average smartwatch (Crest+ OS vs Proprietary OS).Crest+ OS vs Proprietary OS
    • Blood pressure monitoring
      Boat Ultima Call Max supports blood pressure monitoring, the average smartwatch does not. 22% of smartwatches support blood pressure monitoring.
    • Calorie tracking
      Boat Ultima Call Max supports calorie tracking, the average smartwatch does not. 48.6% of smartwatches support calorie tracking.
    • Water intake tracking
      Boat Ultima Call Max tracks water intake, the average smartwatch does not. 44% of smartwatches track water intake.
    • Barometer sensor included
      Boat Ultima Call Max includes a barometer, the average smartwatch does not. 49.5% of smartwatches include a barometer.
    • Cadence tracking
      Boat Ultima Call Max includes a cadence sensor, the average smartwatch does not. 31.1% of smartwatches include a cadence sensor.
    • Route support
      Boat Ultima Call Max supports route support, the average smartwatch does not. 50% of smartwatches support route support.
    • 20 more exercise profiles
      Boat Ultima Call Max supports more exercise modes than the average smartwatch (100 vs 80). The average smartwatch supports 80 exercise modes.
    • 3 days day/s longer battery life
      Boat Ultima Call Max offers 10 days of battery life, while the average smartwatch offers 7 days.
    • Newer Bluetooth version
      Boat Ultima Call Max supports a newer Bluetooth version than the average smartwatch (5.1 vs 5.0). The average smartwatch uses 5.0.
    • Emergency SOS
      Boat Ultima Call Max includes Emergency SOS, the average smartwatch does not. 42.8% of smartwatches include Emergency SOS.
    • More advanced operating system
      Boat Ultima Call Max runs a more advanced operating system than the average smartwatch (Crest+ OS vs Proprietary OS).
    • 2 year/s newer release date
      Boat Ultima Call Max has a newer release date than the average smartwatch (2023 vs 2021). The average smartwatch was released in 2021.

    Total
    Overall
    Health
    Fitness
    Battery
    Connectivity
    Smart features
    Hardware
    • No smart scale support
      Boat Ultima Call Max does not support smart scale compatibility, the average smartwatch does. 53.7% of smartwatches support smart scale compatibility.
    • No coaching features
      Boat Ultima Call Max does not support coaching, the average smartwatch does. 54.6% of smartwatches support coaching.
    • No auto-pause
      Boat Ultima Call Max does not support auto pause, the average smartwatch does. 59.3% of smartwatches support auto pause.
    • 20 mAh smaller battery capacity
      Boat Ultima Call Max has a smaller battery capacity than the average smartwatch (280 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    • No GPS support
      Boat Ultima Call Max does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
    • No compass
      Boat Ultima Call Max does not include a compass, the average smartwatch does. 52.6% of smartwatches include a compass.
    • Basic display type
      Boat Ultima Call Max uses TFT LCD display technology, while the average smartwatch features AMOLED.
    • 48.5 m lower water resistance depth
      Boat Ultima Call Max has a shallower waterproof rating than the average smartwatch (1.5 m vs 50 m). The average smartwatch reaches 50 m.
    • No always-on display
      Boat Ultima Call Max does not have an always-on display, the average smartwatch does. 67.6% of smartwatches have an always-on display.
    • No ambient light sensor
      Boat Ultima Call Max does not include an ambient light sensor, the average smartwatch does. 60.7% of smartwatches include an ambient light sensor.
    • 100 nits lower display brightness
      Boat Ultima Call Max has lower display brightness than the average smartwatch (500 nits nits vs 600 nits nits). The average smartwatch reaches 600 nits nits.
    • Less practical form
      Boat Ultima Call Max uses a rectangular form, while the average smartwatch uses round.
    • Lower resolution
      Boat Ultima Call Max has a display resolution of 240x283, while the average smartwatch reaches 352x430.
    • 5.8 mm taller watch height
      Boat Ultima Call Max is taller than the average smartwatch (50.8 mm vs 45 mm). The average smartwatch height is 45 mm.
    • No music playback
      Boat Ultima Call Max does not support music playback, the average smartwatch does. 54.2% of smartwatches support music playback.
    • No GPS support
      Boat Ultima Call Max does not support GPS, the average smartwatch does. 56.1% of smartwatches support 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: MEDIUM

      Boat Ultima Call Max does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
    • Basic display type
      Boat Ultima Call Max uses TFT 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: LOW

      Boat Ultima Call Max uses TFT LCD display technology, while the average smartwatch features AMOLED.TFT LCD vs AMOLED
    • 48.5 m lower water resistance depth
      Boat Ultima Call Max has a shallower waterproof rating than the average smartwatch (1.5 m vs 50 m). The average smartwatch reaches 50 m.
      What it is: The stated depth or water-resistance class the watch is rated to withstand.
      When it matters: When you wear the watch in rain, sweat, or water.

      Importance: LOW

      Good value: >=50 m

      Boat Ultima Call Max has a shallower waterproof rating than the average smartwatch (1.5 m vs 50 m). The average smartwatch reaches 50 m.1.5 m vs 50 m
    • No coaching features
      Boat Ultima Call Max does not support coaching, the average smartwatch does. 54.6% of smartwatches support coaching.
      What it is: Guided training or wellness suggestions based on your data and habits.
      When it matters: When you track workouts and want better training data.

      Importance: LOW

      Boat Ultima Call Max does not support coaching, the average smartwatch does. 54.6% of smartwatches support coaching.
    • No music playback
      Boat Ultima Call Max does not support music playback, the average smartwatch does. 54.2% of smartwatches support music playback.
      What it is: Playback of music or audio directly from the watch, with or without a phone nearby.
      When it matters: When you want audio, calls, or voice features on the watch itself.

      Importance: LOW

      Boat Ultima Call Max does not support music playback, the average smartwatch does. 54.2% of smartwatches support music playback.
    • No auto-pause
      Boat Ultima Call Max does not support auto pause, the average smartwatch does. 59.3% of smartwatches support auto pause.
      What it is: Automatic pausing of workout recording when movement stops.
      When it matters: When you track workouts and want better training data.

      Importance: LOW

      Boat Ultima Call Max does not support auto pause, the average smartwatch does. 59.3% of smartwatches support auto pause.
    • No always-on display
      Boat Ultima Call Max does not have an always-on display, the average smartwatch does. 67.6% of smartwatches have an always-on display.
      What it is: A display mode that keeps key information visible even when the watch is idle.
      When it matters: When you want the screen to be easy to read at a glance.

      Importance: LOW

      Boat Ultima Call Max does not have an always-on display, the average smartwatch does. 67.6% of smartwatches have an always-on display.
    • No compass
      Boat Ultima Call Max does not include a compass, the average smartwatch does. 52.6% 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: LOW

      Boat Ultima Call Max does not include a compass, the average smartwatch does. 52.6% of smartwatches include a compass.
    Total
    Health
    Fitness
    Battery
    Connectivity
    Display & Design
    Smart features

    Graphic comparison of Boat Ultima Call Max and other Smartwatches

    Attribute category
    Attribute
    No results found

    Third-party reviews

    United Kingdom
    amazon
    3.8
    2516 Reviews
    amazon
    3.7
    1033 Reviews
    amazon
    3.7
    481 Reviews
    amazon
    4.0
    394 Reviews
    amazon
    3.9
    306 Reviews
    United States
    Amazon_logo.png
    3.7
    1036 Reviews

    (Reviews last updated: April 2026)

    What customers like about Boat Ultima Call Max?

    • Large and vibrant 2-inch HD display with 500 nits brightness is easy to read even outdoors.
    • Sleek and stylish metallic body design that some users compare to premium brands.
    • Effective Bluetooth calling functionality with a clear speaker and reliable mic.
    • Comprehensive health and activity tracking, including heart rate, SpO2, and 100+ sports modes.
    • Good value for money in the budget segment.
    • IP68 dust and water resistance provides durability for outdoor activities.

    What customers dislike about Boat Ultima Call Max?

    • Inconsistent battery performance; while rated for up to 10 days, users report it can drain in 2 days with Bluetooth calling active.
    • Mixed reports on accuracy, specifically regarding step counting and sleep tracking.
    • Durability issues noted by some users, including display malfunctions after a few weeks of use.
    • Lack of a screen lock facility.
    • App experience can be cluttered with advertisements.

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