OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Smartwatches Methodology v2.0
Smartwatches Methodology v2.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontumo Smartwatches Methodology v2.0: technical specifications plus grades from 3,488 independent expert reviews and 5,192 video reviews, with 0% commercial bias.
Explore Smartwatches Methodology v2.0

Umidigi Uwatch 3S Review | 126 Data compared

Avg. price:~£20Screen size:1.30 inchBattery life:11 daysDisplay type:TFT LCD

Umidigi Uwatch 3S Review: Compare 126 technical specifications and 6 expert and video reviews to see how this product ranks in the Smartwatches category and whether it is worth buying.

5.7

Overall score

Score
5.7/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
▼ Worse than 86% of models
Score components

70%

5.2

Technical score

30%

6.6

Review score ( 1 · 5)

Review score 30% · 6.6 · based on 1 written review + 5 videos
1 written review + 5 videos count as 3.5 of the 5 needed; the rest counts as 7/10. Every model in this category gets the same split: reviews 30%, technical score 70%. A video or a short review counts less than a full test.
▼Worse than 86% of smartwatches
5.2

Technical score

Technical score
5.2/ 10
✕
What it is
An assessment of the smartwatchx27s technical performance, covering seven key areas: health, fitness, display & design, hardware, battery, smart features and connectivity.
When it matters
When you want to compare smartwatches based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 78% of models
Score components

24%

5.6

Health

21%

6.4

Fitness

16%

6.0

Battery

14%

3.7

Smart features

12%

3.1

Connectivity

9%

5.7

Display & Design

4%

4.9

Hardware

▼Worse than 78% of smartwatches
6.6

Review score

Review score
6.6/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves.
Weighting: Big test sites count more, short reviews half as much as full tests. A video review counts half.
Share: Reviews are 30% of the overall score for every model in this category; each of the 5 needed reviews that is missing counts as 7/10.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 94% of models
Grades by review (6)
Video reviews 2

10%

6.0

Tech It Easy

10%

4.0

NrmlCnsmr

estimated from the review
1 review, its grade estimated from the review text. 5 video reviews, each counting half as much as a written test. Share in the overall score: 30%, the same for every model in this category.
Shop star ratings are not part of this score.
▼Worse than 94% of smartwatches
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Best prices

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Best rankings

Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of smartwatch Umidigi Uwatch 3S

Technical score
Technical score
5.2/ 10
✕
What it is
An assessment of the smartwatchx27s technical performance, covering seven key areas: health, fitness, display & design, hardware, battery, smart features and connectivity.
When it matters
When you want to compare smartwatches based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 78% of models
Score components:

24%

5.6

Health

21%

6.4

Fitness

16%

6.0

Battery

14%

3.7

Smart features

12%

3.1

Connectivity

9%

5.7

Display & Design

4%

4.9

Hardware

5.2
Review score
Review score
6.6/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves.
Weighting: Big test sites count more, short reviews half as much as full tests. A video review counts half.
Share: Reviews are 30% of the overall score for every model in this category; each of the 5 needed reviews that is missing counts as 7/10.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 94% of models
Grades by review (6)
Video reviews 2

10%

6.0

Tech It Easy

10%

4.0

NrmlCnsmr

estimated from the review
1 review, its grade estimated from the review text. 5 video reviews, each counting half as much as a written test. Share in the overall score: 30%, the same for every model in this category.
Shop star ratings are not part of this score.
6.6
Value for money
Value for money
7.0/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
▼ Worse than 82% of models
Score components:

60%

5.7

Overall score

40%

10

Price

7.0
Brand name
Umidigi
Heart rate monitor
yes
Heart rate monitor
yes
▲ Better than 11% of models
This smartwatch includes a heart rate monitor. 10.5% of smartwatches include a heart rate monitor.
Blood oxygen monitoring
yes
Blood oxygen monitoring
yes
▲ Better than 33% of models
This smartwatch supports blood oxygen monitoring. 33.4% of smartwatches support blood oxygen monitoring.
ECG
no
ECG
no
▼ Worse than 17% of models
This smartwatch does not support ECG. 16.6% of smartwatches support ECG.
Irregular heart rate warnings
no
Irregular heart rate warnings
no
▼ Worse than 48% of models
This smartwatch does not support irregular heart rate warnings. 48.2% of smartwatches support irregular heart rate warnings.
Show more
What reviewers say
Accelerometer
yes
Accelerometer
yes
▲ Better than 1% of models
This smartwatch includes an accelerometer. 0.6% of smartwatches include an accelerometer.
Barometer
no
Barometer
no
▼ Worse than 50% of models
This smartwatch does not include a barometer. 49.6% of smartwatches include a barometer.
Gyroscope
no
Gyroscope
no
▼ Worse than 70% of models
This smartwatch does not include a gyroscope. 70% of smartwatches include a gyroscope.
Cadence sensor
no
Cadence sensor
no
▼ Worse than 31% of models
This smartwatch does not include a cadence sensor. 31.2% of smartwatches include a cadence sensor.
Distance tracking
yes
Distance tracking
yes
▲ Better than 4% of models
This smartwatch supports distance tracking. 4.1% of smartwatches support distance tracking.
Show more
What reviewers say
Battery life
11 days
Battery life
11 days
▲ Better than 70% of models
Market range: <1 days – >16 days
This smartwatch offers a battery life of 11 days which is longer than that of 70.3% of smartwatches and equal to that of 2% of smartwatches.
Up to 15 days in basic watch mode.
Battery life in training mode
?
Battery life with GPS on
N/A
Battery power
280 mAh
Battery power
280 mAh
▼ Worse than 59% of models
Market range: <195 mAh – >475 mAh
This smartwatch 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
150 min
Charge time
150 min
▼ Worse than 89% of models
Market range: <60 min – >150 min
This smartwatch charges in 150 min which is slower than 88.7% of smartwatches and equal to the charge time of 7.2% of smartwatches.
Show more
What reviewers say
Operating system
Proprietary OS
Operating system
Proprietary OS
▼ Worse than 53% of models
This smartwatch runs Proprietary OS which is less advanced than the operating system in 53.5% of smartwatches and the same as that in 42.8% of smartwatches.
Software update frequency
ended
Software update frequency
ended
▼ Worse than 43% of models
This smartwatch has ended software update support which is less active than that of 42.6% of smartwatches and equal to that of 57.5% of smartwatches.
Third-party app support
no
Third-party app support
no
▼ Worse than 48% of models
This smartwatch does not support third-party apps. 47.7% of smartwatches support third-party apps.
Notifications
yes
Notifications
yes
Category Benchmark
This smartwatch supports notifications. 0.3% of smartwatches support notifications.
Voice assistant support
no
Voice assistant support
no
▼ Worse than 68% of models
This smartwatch does not support voice assistants. 67.8% of smartwatches support voice assistants.
Show more
Cellular module
no
Cellular module
no
▼ Worse than 18% of models
This smartwatch does not include a cellular module. 18% of smartwatches include a cellular module.
SIM cards
0
GPS
no
GPS
no
▼ Worse than 56% of models
This smartwatch does not support GPS. 56.2% of smartwatches support GPS.
Galileo support
no
Galileo support
no
▼ Worse than 39% of models
This smartwatch does not support Galileo navigation. 38.5% of smartwatches support Galileo navigation.
Compass
yes
Compass
yes
▲ Better than 47% of models
This smartwatch includes a compass. 47.5% of smartwatches include a compass.
Show more
Screen size
1.3 inch
Screen size
1.3 inch
▼ Worse than 67% of models
Market range: <1.2 inch – >1.82 inch
This smartwatch has a screen size of 1.3 inch which is smaller than the screens of 66.8% of smartwatches and equal to those of 11.2% of smartwatches.
Display type
TFT LCD
Display type
TFT LCD
▼ Worse than 74% of models
This smartwatch 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
240x 240
Resolution
240x 240
▼ Worse than 74% of models
This smartwatch has a display resolution of 240x240 which is lower than that of 73.9% of smartwatches and equal to that of 15.2% of smartwatches.
Pixel density
261 ppi
Pixel density
261 ppi
▼ Worse than 74% of models
Market range: <207 ppi – >461 ppi
This smartwatch has a pixel density of 261 ppi which is lower than that of 74% of smartwatches and equal to that of 4.4% of smartwatches.
Display brightness
?
Show more
What reviewers say
CPU speed
?
Processor model
?
RAM
?
Internal storage
0 GB
Internal storage
0 GB
▼ Worse than 74% of models
Market range: <0 GB – >32 GB
This smartwatch uses 0 GB for internal storage which is smaller than that of 73.6% of smartwatches and equal to that of 26.4% of smartwatches.
No local user storage for apps/media
External memory slot
no
External memory slot
no
Category Benchmark
This smartwatch does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
Show more

Umidigi Uwatch 3S vs the average smartwatch

246810TotalHealthFitnessBatteryConnectivityDisplay & DesignSmart featuresHardware
  • Blood pressure monitoring
    Blood pressure monitoring
    yes
    ▲ Better than 78% of models
    This smartwatch supports blood pressure monitoring, the average smartwatch does not. 22% of smartwatches support blood pressure monitoring.
    Measurements are for wellness guidance, not medical diagnosis.
  • 4 days day/s longer battery life
    Battery life
    11 days
    ▲ Better than 70% of models
    Market range: <1 days – >16 days
    This smartwatch offers 11 days of battery life, while the average smartwatch offers 7 days.
    Up to 15 days in basic watch mode.
    11 days vs 7 days
  • 20 g lighter weight
    Weight
    25.0 g
    ★ Better than 94% of models
    Market range: <29 g – >80 g
    This smartwatch is lighter than the average smartwatch (25 g vs 45 g). The average smartwatch weighs 45.0 g.
    Weight refers to watch case without strap/band.
    25.0 g vs 45.0 g
  • Water intake tracking
    Water intake tracking
    yes
    ▲ Better than 56% of models
    This smartwatch tracks water intake, the average smartwatch does not. 44% of smartwatches track water intake.
  • 6.5x cheaper
    Umidigi Uwatch 3S is cheaper than the average smartwatch (£20 vs £130).
    £20 vs £130
  • 43.2% more popular
    Umidigi Uwatch 3S has a higher popularity than the average smartwatch (8.76 vs 6.1).
    8.76 vs 6.12
  • 6.5x cheaper
    Umidigi Uwatch 3S is cheaper than the average smartwatch (£20 vs £130).
    £20 vs £130
  • 43.2% more popular
    Umidigi Uwatch 3S has a higher popularity than the average smartwatch (8.76 vs 6.1).
    8.76 vs 6.12
  • Blood pressure monitoring
    Blood pressure monitoring
    yes
    ▲ Better than 78% of models
    This smartwatch supports blood pressure monitoring, the average smartwatch does not. 22% of smartwatches support blood pressure monitoring.
    Measurements are for wellness guidance, not medical diagnosis.
  • Water intake tracking
    Water intake tracking
    yes
    ▲ Better than 56% of models
    This smartwatch tracks water intake, the average smartwatch does not. 44% of smartwatches track water intake.
  • 4 days day/s longer battery life
    Battery life
    11 days
    ▲ Better than 70% of models
    Market range: <1 days – >16 days
    This smartwatch offers 11 days of battery life, while the average smartwatch offers 7 days.
    Up to 15 days in basic watch mode.
    11 days vs 7 days
  • 20 g lighter weight
    Weight
    25.0 g
    ★ Better than 94% of models
    Market range: <29 g – >80 g
    This smartwatch is lighter than the average smartwatch (25 g vs 45 g). The average smartwatch weighs 45.0 g.
    Weight refers to watch case without strap/band.
    25.0 g vs 45.0 g
  • No GPS support
    Route support
    no
    ▼ Worse than 50% of models
    This smartwatch does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
  • Basic display type
    Display type
    TFT LCD
    ▼ Worse than 74% of models
    This smartwatch uses TFT LCD display technology, while the average smartwatch features AMOLED.
    TFT LCD vs AMOLED
  • No route tracking
    Route support
    no
    ▼ Worse than 50% of models
    This smartwatch does not support route tracking, the average smartwatch does. 74.6% of smartwatches support route tracking.
  • No coaching features
    Coaching
    no
    ▼ Worse than 55% of models
    This smartwatch does not support coaching, the average smartwatch does. 54.6% of smartwatches support coaching.
  • No music playback
    Music playback
    no
    ▼ Worse than 54% of models
    This smartwatch does not support music playback, the average smartwatch does. 54.2% of smartwatches support music playback.
  • No auto-pause
    Auto pause
    no
    ▼ Worse than 59% of models
    This smartwatch does not support auto pause, the average smartwatch does. 59.3% of smartwatches support auto pause.
  • No gyroscope
    Gyroscope
    no
    ▼ Worse than 70% of models
    This smartwatch does not include a gyroscope, the average smartwatch does. 69.9% of smartwatches include a gyroscope.
  • No always-on display
    Always-On Display
    no
    ▼ Worse than 68% of models
    This smartwatch does not have an always-on display, the average smartwatch does. 67.6% of smartwatches have an always-on display.
  • 8.1% worse value for money
    Umidigi Uwatch 3S has a lower value-for-money score than the average smartwatch (6.96 vs 7.5).
    6.96 vs 7.52
  • No smart scale support
    Smart scale compatibility
    no
    ▼ Worse than 54% of models
    This smartwatch does not support smart scale compatibility, the average smartwatch does. 53.7% of smartwatches support smart scale compatibility.
  • No route tracking
    Route support
    no
    ▼ Worse than 50% of models
    This smartwatch does not support route tracking, the average smartwatch does. 74.6% of smartwatches support route tracking.
  • No coaching features
    Coaching
    no
    ▼ Worse than 55% of models
    This smartwatch does not support coaching, the average smartwatch does. 54.6% of smartwatches support coaching.
  • No auto-pause
    Auto pause
    no
    ▼ Worse than 59% of models
    This smartwatch does not support auto pause, the average smartwatch does. 59.3% of smartwatches support auto pause.
  • No gyroscope
    Gyroscope
    no
    ▼ Worse than 70% of models
    This smartwatch does not include a gyroscope, the average smartwatch does. 69.9% of smartwatches include a gyroscope.
  • No live tracking
    Live tracking
    no
    ▼ Worse than 89% of models
    This smartwatch does not support live tracking, the average smartwatch does. 88.6% of smartwatches support live tracking.
  • 66 fewer exercise profiles
    Multi-sport mode
    14
    ▲ Better than 32% of models
    This smartwatch supports fewer exercise modes than the average smartwatch (14 vs 80). The average smartwatch supports 80 exercise modes.
    14 vs 80
  • No achievement tracking
    Achievements
    no
    ▼ Worse than 86% of models
    This smartwatch does not support achievements, the average smartwatch does. 85.8% of smartwatches support achievements.
  • No voice feedback
    Voice feedback
    no
    ▼ Worse than 62% of models
    This smartwatch does not support voice feedback, the average smartwatch does. 61.9% of smartwatches support voice feedback.
  • 30 min longer charge time
    Charge time
    150 min
    ▼ Worse than 89% of models
    Market range: <60 min – >150 min
    This smartwatch charges slower than the average smartwatch (150 min vs 120 min). The average smartwatch charges in 120 min.
    150 min vs 120 min
  • 20 mAh smaller battery capacity
    Battery life
    280 mAh days
    ▲ Better than 70% of models
    Market range: <1 days – >16 days
    This smartwatch has a smaller battery capacity than the average smartwatch (280 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    Up to 15 days in basic watch mode.
    280 mAh vs 300 mAh
  • No GPS support
    Route support
    no
    ▼ Worse than 50% of models
    This smartwatch does not support GPS, the average smartwatch does. 56.1% of smartwatches support GPS.
  • Basic display type
    Display type
    TFT LCD
    ▼ Worse than 74% of models
    This smartwatch uses TFT LCD display technology, while the average smartwatch features AMOLED.
    TFT LCD vs AMOLED
  • No always-on display
    Always-On Display
    no
    ▼ Worse than 68% of models
    This smartwatch does not have an always-on display, the average smartwatch does. 67.6% of smartwatches have an always-on display.
  • No ambient light sensor
    Ambient light sensor
    no
    ▼ Worse than 61% of models
    This smartwatch does not include an ambient light sensor, the average smartwatch does. 60.7% of smartwatches include an ambient light sensor.
  • 0.1 inch smaller screen size
    Screen size
    1.30 inch
    ▼ Worse than 67% of models
    Market range: <1.2 inch – >1.82 inch
    This smartwatch has a smaller screen size than the average smartwatch (1.3 inch vs 1.4 inch). The average smartwatch screen is 1.40 inch.
    1.30 inch vs 1.40 inch
  • Lower resolution
    Display type
    240 x 240
    ▼ Worse than 74% of models
    This smartwatch has a display resolution of 240x240, while the average smartwatch reaches 352x430.
    240x240 vs 352x430
  • 1.3 mm thicker watch body
    Thickness
    12.90 mm
    ▼ Worse than 78% of models
    Market range: <9.8 mm – >14.1 mm
    This smartwatch is thicker than the average smartwatch (12.9 mm vs 11.6 mm). The average smartwatch thickness is 11.6 mm.
    Some sources mention variant-dependent thickness values.
    12.90 mm vs 11.6 mm
  • 65 ppi lower pixel density
    Pixel density
    261 ppi
    ▼ Worse than 74% of models
    Market range: <207 ppi – >461 ppi
    This smartwatch has a lower pixel density than the average smartwatch (261 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    261 ppi vs 326 ppi
  • Less practical form
    Form
    square
    ▼ Worse than 61% of models
    This smartwatch uses a square form, while the average smartwatch uses round.
    square vs round
  • No music playback
    Music playback
    no
    ▼ Worse than 54% of models
    This smartwatch does not support music playback, the average smartwatch does. 54.2% of smartwatches support music playback.
  • No voice assistant
    Voice assistant support
    no
    ▼ Worse than 68% of models
    This smartwatch does not support voice assistants, the average smartwatch does. 67.7% of smartwatches support voice assistants.
  • No call answering
    Call answering
    no
    ▼ Worse than 58% of models
    This smartwatch does not support call answering, the average smartwatch does. 58.1% of smartwatches support call answering.
  • No voice command support
    Voice commands
    no
    ▼ Worse than 67% of models
    This smartwatch does not support voice commands, the average smartwatch does. 67% of smartwatches support voice commands.
  • No passcode
    Passcode
    no
    ▼ Worse than 68% of models
    This smartwatch does not include passcode protection, the average smartwatch does. 67.8% of smartwatches include passcode protection.
  • No speaker
    Built-in speaker
    no
    ▼ Worse than 56% of models
    This smartwatch does not include a built-in speaker, the average smartwatch does. 56.1% of smartwatches include a built-in speaker.
  • 4 GB less storage
    Internal storage
    0 GB
    ▼ Worse than 74% of models
    Market range: <0 GB – >32 GB
    This smartwatch 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
    0 GB vs 4 GB
  • 1 year/s older release date
    Release date
    2020
    ▼ Worse than 55% of models
    Market range: <2k – >2k
    This smartwatch is an older model than the average smartwatch (2020 vs 2021). The average smartwatch was released in 2021.
    December 2020
    2020 vs 2021

Video reviews

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

6.0
Tech It Easy
≈ estimated
21/03/2021
Hands-on review · budget features, accuracy and comparison with predecessor
Verdict
The Umidigi Uwatch 3S is decent only for buyers who want basic step and sleep tracking on a tight budget.
Not graded

What reviewers agree on

Based on 1 · 5

Reviewers like the sturdy case, long battery life and health sensors, but criticise the display, controls and sports tracking.
Praised
Criticised
Pick a topic to see who said what

Expert reviews

In-depth analysis and verdict from leading tech publications

8.0
idealwatch.de
≈ estimated
09/03/2021
Hands-on test · Basic SpO2 watch
Verdict
The UMIDIGI Uwatch 3S suits buyers wanting basic features, blood oxygen tracking and up to 15 days of battery, but its weak screen and limited sports tracking limit it.

Third-party reviews

Read buyer reviews on Amazon →

What we like about Umidigi Uwatch 3S

  • Affordable price point offering high value for money
  • Elegant aesthetic often compared to more premium smartwatches
  • Comprehensive health sensors including SpO2 (blood oxygen) and 24/7 heart rate monitoring
  • Strong battery life lasting between 7 to 15 days on a single charge
  • High waterproof rating (5ATM) suitable for swimming
  • Lightweight and comfortable aluminum alloy frame

What we don't like about Umidigi Uwatch 3S

  • Software limitations such as the inability to respond to notifications
  • Occasional connectivity and syncing issues with the companion app
  • Display hardware issues reported by some users, including screens failing to turn on
  • Lack of built-in GPS, requiring a phone for route tracking
  • Touchscreen responsiveness can sometimes be inconsistent
  • Limited selection of built-in watch faces

Verdict

The Umidigi Uwatch 3S is a lightweight budget smartwatch featuring a 1.3-inch square TFT color touchscreen with 2.5D curved glass and an aircraft-grade aluminum alloy frame. Key characteristics include 5ATM water resistance, a built-in electronic compass, and comprehensive health sensors for 24/7 heart rate monitoring, SpO2 blood oxygen levels, and sleep tracking across 14 sports modes. Its primary pros are an impressive battery life lasting up to 15 days on a single charge, wide compatibility with iOS and Android via the Da Fit app, and a highly customizable interface with over 100 watch faces. However, notable cons include the lack of built-in GPS, the inability to reply directly to messages from the watch, and occasional issues with the 'tap-to-wake' screen responsiveness.

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