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Tozo S1 Review | 126 Data compared

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  • Avg. price: ~£20
  • Screen size: 1.54 inch
  • Battery life: 15 day/s
  • Display type: AMOLED

Tozo S1 review. Compare 126 technical specifications and user reviews to see how it ranks among smartwatches and if it is worth buying.

5.5

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%

5.2

Technical Score

10.0%

8.0

User score

Good
5.2

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%

4.6

Health

21.0%

4.6

Fitness

16.0%

7.9

Battery

14.0%

5.3

Smart features

12.0%

2.5

Connectivity

9.0%

6.7

Display & Design

4.0%

5.0

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%

7.9

User reviews

30.0%

8.2

Popularity

User score:
amazon
3.9
(266)
amazon
4.1
(137)

(Reviews last updated: Apr 2026)

Excellent
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    Best prices

    Best rankings

    ?

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

    Technical Specifications of smartwatch Tozo S1

    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%

    4.6

    Health

    21.0%

    4.6

    Fitness

    16.0%

    7.9

    Battery

    14.0%

    5.3

    Smart features

    12.0%

    2.5

    Connectivity

    9.0%

    6.7

    Display & Design

    4.0%

    5.0

    Hardware

    5.2
    Tozo S1 has a technical score of 5.19 points, which is lower than 80.8% 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%

    7.9

    User reviews

    30.0%

    8.2

    Popularity

    User score:
    amazon
    3.9
    (266)
    amazon
    4.1
    (137)

    (Reviews last updated: Apr 2026)

    8.0
    Tozo S1 has a user score of 8 points, which is higher than 70.7% 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.
    8.2
    Tozo S1 has a popularity of 8.2 points, which is higher than 71.3% of smartphones.
    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%

    5.5

    Overall score

    40.0%

    10

    Price

    6.8
    Tozo S1 has a quality-to-price ratio of 6.8 points, which is lower than 72.1% of smartphones.
    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

    Tozo
    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
    Tozo S1 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

    no
    Tozo S1 does not support blood oxygen monitoring. 64.4% 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: HIGH

    no
    Tozo S1 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
    Tozo S1 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
    Tozo S1 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

    no
    Tozo S1 does not include 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

    no
    Tozo S1 does not include 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
    Tozo S1 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

    no
    Tozo S1 does not support 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

    15 day/s
    Tozo S1 offers a battery life of 15 day/s which is longer than that of 86.3% of smartwatches and equal to that of 3.2% of smartwatches.
    Up to 15 days of regular use and up to 90 days in standby.
    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

    50 h
    Tozo S1 lasts 50 h in training mode which is longer than 90.7% of smartwatches and equal to that of 1.7% of smartwatches.
    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

    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: HIGH

    Good value: >=397 mAh

    300 mAh
    Tozo S1 has a battery capacity of 300 mAh which is larger than the batteries in 44.6% of smartwatches and equal to those in 6.6% 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

    ?
    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

    Wear OS
    Tozo S1 runs Wear OS which is more advanced than the operating system in 78.9% of smartwatches and the same as that in 16.7% 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

    occasional
    Tozo S1 has occasional software update support which is more active than that of 57.6% of smartwatches and equal to that of 36.2% of smartwatches.
    Updates are typically released about every 3 months.
    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

    no
    Tozo S1 does not support 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
    Tozo S1 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

    yes
    Tozo S1 supports 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
    Tozo S1 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

    no
    Tozo S1 does not support GPS. 56.1% of smartwatches support GPS.
    GPS works only via connected smartphone (no built-in GPS chip).
    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
    Tozo S1 does not support Galileo navigation. 38.7% of smartwatches support Galileo navigation.
    No built-in GPS; uses connected phone GPS.
    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

    no
    Tozo S1 does not include 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

    1.54 inch
    Tozo S1 has a screen size of 1.54 inch which is larger than the screens of 70.9% of smartwatches and equal to those of 0.7% of smartwatches.
    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

    AMOLED
    Tozo S1 uses a AMOLED display type which is more advanced than that of 48.8% of smartwatches and the same as that of 51.3% 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

    240 x 240
    Tozo S1 has a display resolution of 240 x 240 which is lower than that of 73.9% of smartwatches and equal to that of 15.2% 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: MEDIUM

    Good value: >=326 ppi

    220 ppi
    Tozo S1 has a pixel density of 220 ppi which is lower than that of 85.1% of smartwatches and equal to that of 0.7% 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

    ?
    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

    ?
    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: MEDIUM

    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: MEDIUM

    Good value: >=8 GB

    0 GB
    Tozo S1 uses 0 GB for internal storage which is smaller than that of 73.5% of smartwatches and equal to that of 26.6% of smartwatches.
    No local user storage for apps/media
    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
    Tozo S1 does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
    Show more

    Tozo S1 vs the average smartwatch

    • 8 day/s longer battery life
      Tozo S1 offers 15 day/s of battery life, while the average smartwatch offers 7 day/s.
      Up to 15 days of regular use and up to 90 days in standby.
      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

      Tozo S1 offers 15 day/s of battery life, while the average smartwatch offers 7 day/s.15 day/s vs 7 day/s
    • More advanced operating system
      Tozo S1 runs a more advanced operating system than the average smartwatch (Wear 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: HIGH

      Tozo S1 runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).Wear OS vs Proprietary OS
    • Supports VO2 max
      Tozo S1 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

      Tozo S1 measures VO2 max, the average smartwatch does not. 49.3% of smartwatches measure VO2 max.
    • 30 h longer training battery life
      Tozo S1 lasts longer in training mode than the average smartwatch (50 h vs 20 h). The average smartwatch lasts 20 h.
      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

      Tozo S1 lasts longer in training mode than the average smartwatch (50 h vs 20 h). The average smartwatch lasts 20 h.50 h vs 20 h
    • More frequent updates
      Tozo S1 receives occasional software updates, while the average smartwatch receives ended updates.
      Updates are typically released about every 3 months.
      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

      Tozo S1 receives occasional software updates, while the average smartwatch receives ended updates.occasional vs ended
    • 4.9 mm thinner watch body
      Tozo S1 is thinner than the average smartwatch (6.7 mm vs 11.60 mm). The average smartwatch thickness is 11.60 mm.
      What it is: The depth of the watch body from front to back.
      When it matters: When you wear the watch all day or sleep with it on.

      Importance: HIGH

      Good value: <=10.9 mm

      Tozo S1 is thinner than the average smartwatch (6.7 mm vs 11.60 mm). The average smartwatch thickness is 11.60 mm.6.70 mm vs 11.60 mm
    • 0.14 inch larger screen size
      Tozo S1 has a larger screen size than the average smartwatch (1.5 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.
      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

      Tozo S1 has a larger screen size than the average smartwatch (1.5 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.1.54 inch vs 1.40 inch
    • Supports water intake tracking
      Tozo S1 tracks water intake, the average smartwatch does not. 48.2% of smartwatches track water intake.
      What it is: Logging tools for recording daily water consumption.
      When it matters: When you want health data from your wrist during the day or night.

      Importance: LOW

      Tozo S1 tracks water intake, the average smartwatch does not. 48.2% of smartwatches track water intake.
    • Supports VO2 max
      Tozo S1 measures VO2 max, the average smartwatch does not. 49.3% of smartwatches measure VO2 max.
    • Supports water intake tracking
      Tozo S1 tracks water intake, the average smartwatch does not. 48.2% of smartwatches track water intake.
    • 8 day/s longer battery life
      Tozo S1 offers 15 day/s of battery life, while the average smartwatch offers 7 day/s.
    • 30 h longer training battery life
      Tozo S1 lasts longer in training mode than the average smartwatch (50 h vs 20 h). The average smartwatch lasts 20 h.
    • 0.14 inch larger screen size
      Tozo S1 has a larger screen size than the average smartwatch (1.5 inch vs 1.40 inch). The average smartwatch screen is 1.40 inch.
    • 4.9 mm thinner watch body
      Tozo S1 is thinner than the average smartwatch (6.7 mm vs 11.60 mm). The average smartwatch thickness is 11.60 mm.
    • 35.7 mm shorter watch height
      Tozo S1 is shorter than the average smartwatch (9.3 mm vs 45 mm). The average smartwatch height is 45 mm.
    • 32.8 mm narrower watch width
      Tozo S1 is narrower than the average smartwatch (9.2 mm vs 42.0 mm). The average smartwatch width is 42.0 mm.
    • More advanced operating system
      Tozo S1 runs a more advanced operating system than the average smartwatch (Wear OS vs Proprietary OS).
    • More frequent updates
      Tozo S1 receives occasional software updates, while the average smartwatch receives ended updates.

    Total
    Overall
    Health
    Battery
    Display & Design
    Smart features
    • No blood oxygen
      Tozo S1 does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
      Readings are for wellness use, not medical diagnosis.
    • No smart scales
      Tozo S1 does not support smart scale compatibility, the average smartwatch does. 56.8% of smartwatches support smart scale compatibility.
    • No elevation tracking
      Tozo S1 does not support elevation tracking, the average smartwatch does. 62.7% of smartwatches support elevation tracking.
    • No gyroscope
      Tozo S1 does not include a gyroscope, the average smartwatch does. 64.6% of smartwatches include a gyroscope.
    • No pace measurement
      Tozo S1 does not support pace tracking, the average smartwatch does. 78% of smartwatches support pace tracking.
    • No route tracking
      Tozo S1 does not support route tracking, the average smartwatch does. 75.7% of smartwatches support route tracking.
    • No coaching
      Tozo S1 does not support coaching, the average smartwatch does. 51.8% of smartwatches support coaching.
    • No auto pause
      Tozo S1 does not support auto pause, the average smartwatch does. 59.3% of smartwatches support auto pause.
    • No distance tracking
      Tozo S1 does not support distance tracking, the average smartwatch does. 95.7% of smartwatches support distance tracking.
    • No routes
      Tozo S1 does not support route support, the average smartwatch does. 50.4% of smartwatches support route support.
    • No voice feedback
      Tozo S1 does not support voice feedback, the average smartwatch does. 62.1% of smartwatches support voice feedback.
    • 76 fewer exercise profiles
      Tozo S1 supports fewer exercise modes than the average smartwatch (4 vs 80). The average smartwatch supports 80 exercise modes.
      Reported as at least 4 exercise modes.
    • No GPS
      Tozo S1 does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
      GPS works only via connected smartphone (no built-in GPS chip).
    • Lower IP rating
      Tozo S1 has a lower IP rating than the average smartwatch (IPX8 vs IP68).
      Also reported with 50M water-resistance rating.
    • 48.5 m lower waterproof depth
      Tozo S1 has a shallower waterproof rating than the average smartwatch (1.5 m vs 50 m). The average smartwatch reaches 50 m.
    • 106 ppi lower pixel density
      Tozo S1 has a lower pixel density than the average smartwatch (220 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    • Lower resolution
      Tozo S1 has a display resolution of 240x 240, while the average smartwatch reaches 352x 430.
    • 95 g heavier weight
      Tozo S1 is heavier than the average smartwatch (140 g vs 45 g). The average smartwatch weighs 45 g.
    • No music playback
      Tozo S1 does not support music playback, the average smartwatch does. 53.9% of smartwatches support music playback.
    • No voice commands
      Tozo S1 does not support voice commands, the average smartwatch does. 64.5% of smartwatches support voice commands.
    • No smart alarm
      Tozo S1 does not support a smart alarm, the average smartwatch does. 52.7% of smartwatches support this feature.
      Only standard alarm functionality is available.
    • No passcode
      Tozo S1 does not include passcode protection, the average smartwatch does. 68.5% of smartwatches include passcode protection.
    • No speaker
      Tozo S1 does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • 4 GB less storage
      Tozo S1 offers less internal storage than the average smartwatch (0 GB vs 4 GB). The average smartwatch provides 4 GB of storage.
      No local user storage for apps/media
    • No GPS
      Tozo S1 does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
      GPS works only via connected smartphone (no built-in GPS chip).
      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

      Tozo S1 does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
    • No blood oxygen
      Tozo S1 does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
      Readings are for wellness use, not medical diagnosis.
      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

      Tozo S1 does not support blood oxygen monitoring, the average smartwatch does. 64.4% of smartwatches support blood oxygen monitoring.
    • Lower IP rating
      Tozo S1 has a lower IP rating than the average smartwatch (IPX8 vs IP68).
      Also reported with 50M water-resistance rating.
      What it is: A standardized ingress-protection code showing how well the watch resists dust and water.
      When it matters: When you wear the watch in rain, sweat, or water.

      Importance: HIGH

      Good value: IP68 or better

      Tozo S1 has a lower IP rating than the average smartwatch (IPX8 vs IP68).IPX8 vs IP68
    • 48.5 m lower waterproof depth
      Tozo S1 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: HIGH

      Good value: >=50 m

      Tozo S1 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 speaker
      Tozo S1 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

      Tozo S1 does not include a built-in speaker, the average smartwatch does. 54.7% of smartwatches include a built-in speaker.
    • No elevation tracking
      Tozo S1 does not support elevation tracking, the average smartwatch does. 62.7% of smartwatches support elevation tracking.
      What it is: Tracking of climbed, descended, or current elevation during activities.
      When it matters: When you run, ride, hike, or navigate without relying on your phone.

      Importance: MEDIUM

      Tozo S1 does not support elevation tracking, the average smartwatch does. 62.7% of smartwatches support elevation tracking.
    • No music playback
      Tozo S1 does not support music playback, the average smartwatch does. 53.9% 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: MEDIUM

      Tozo S1 does not support music playback, the average smartwatch does. 53.9% of smartwatches support music playback.
    • No gyroscope
      Tozo S1 does not include a gyroscope, the average smartwatch does. 64.6% of smartwatches include a 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

      Tozo S1 does not include a gyroscope, the average smartwatch does. 64.6% of smartwatches include a gyroscope.
    Total
    Overall
    Health
    Fitness
    Connectivity
    Display & Design
    Smart features
    Hardware

    Graphic comparison of Tozo S1 and other Smartwatches

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    Third-party reviews

    amazon
    3.9
    266 Reviews
    amazon
    4.1
    137 Reviews

    (Reviews last updated: Apr 2026)

    What customers like about Tozo S1?

    • Excellent value for money and affordable price point
    • Long battery life, lasting up to 10-15 days on a single charge
    • Accurate real-time heart rate monitoring and sleep tracking
    • Comfortable, lightweight, and sleek design suitable for all-day wear
    • IPX8 waterproof rating, making it suitable for swimming and rain
    • Easy setup and intuitive user interface

    What customers dislike about Tozo S1?

    • Hardware durability issues, specifically strap pins that can easily pull out
    • Limited software customization and basic companion app functionality
    • Inability to change the date format from the American style
    • Intermittent Bluetooth connectivity issues requiring reboots or re-pairing
    • Touchscreen can be overly sensitive or 'touchy' during use
    • Lacks advanced features found in premium models, such as standard/military time switching

    Video reviews

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