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

Lenovo HX03 Cardio Review | 171 Data compared

Avg. price:~£20Battery life:10 daysScreen size:0.87 inchHeart rate monitor:yesGPS:noWaterproof depth rating:1.5 m

Lenovo HX03 Cardio Review: Compare 171 technical specifications and user reviews to see how this product ranks in the Fitness trackers category and whether it is worth buying.

6.7

Overall score

Score
6.7/ 10
✕
What it is
An overall evaluation of the fitness tracker's quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best fitness trackers on the market.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 62% of models
Score components

80%

7.0

Technical score

20%

5.6

User score

â–¼Worse than 62% of fitness-trackers
7.0

Technical score

Technical score
7.0/ 10
✕
What it is
An assessment of technical performance for products in the Fitness trackers category across these key areas: Health, Sports & Navigation, Smart Features, App & Wellness, Connectivity, Battery, Display, Design & Durability.
When it matters
When you want to compare fitness trackers based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 52% of models
Score components

20%

7.6

Sports & Navigation

20%

5.9

Battery

18%

7.6

Health

18%

5.9

Display

8%

6.8

Smart Features

8%

8.4

App & Wellness

4%

8.0

Connectivity

4%

8.1

Design & Durability

â–¼Worse than 52% of fitness-trackers
5.6

User score

User score
5.6/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the fitness tracker.
When it matters
When you want to know how a fitness tracker performs in daily use and how reliable it remains over time according to user feedback.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 96% of models
Score components

70%

5.8

User ratings

30%

5.3

Number of reviews

Based on 89 buyer reviews from online shops.
Read buyer reviews on Amazon →
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
â–¼Worse than 96% of fitness-trackers
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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 fitness tracker Lenovo HX03 Cardio

Technical score
Technical score
7.0/ 10
✕
What it is
An assessment of technical performance for products in the Fitness trackers category across these key areas: Health, Sports & Navigation, Smart Features, App & Wellness, Connectivity, Battery, Display, Design & Durability.
When it matters
When you want to compare fitness trackers based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 52% of models
Score components:

20%

7.6

Sports & Navigation

20%

5.9

Battery

18%

7.6

Health

18%

5.9

Display

8%

6.8

Smart Features

8%

8.4

App & Wellness

4%

8.0

Connectivity

4%

8.1

Design & Durability

7.0
User score
User score
5.6/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the fitness tracker.
When it matters
When you want to know how a fitness tracker performs in daily use and how reliable it remains over time according to user feedback.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 96% of models
Score components

70%

5.8

User ratings

30%

5.3

Number of reviews

Based on 89 buyer reviews from online shops.
Read buyer reviews on Amazon →
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
5.6
Popularity
Popularity
5.3/ 10
✕
What it is
An indicator based on the number of reviews received by the fitness tracker.
When it matters
When you prefer to buy a product chosen and reviewed by many other consumers.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 53% of models
Popularity:
Lenovo HX03 Cardio has a popularity score of 5.3 points, which is higher than 52.6% of fitness trackers.
5.3
Value for money
Value for money
7.7/ 10
✕
What it is
An indicator that combines the fitness tracker's overall rating with its cost.
When it matters
When you are looking for a fitness tracker with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 62% of models
Score components:

60%

6.7

Overall score

40%

10

Price

7.7
Heart rate monitor
yes
Heart rate monitor
yes
â–² Better than 40% of models
This fitness tracker supports heart rate monitoring. 40.2% of fitness trackers support heart rate monitoring.
Resting heart rate
?
Fast/slow heart rate alerts
yes
Fast/slow heart rate alerts
yes
â–² Better than 66% of models
This fitness tracker supports high and low heart rate alerts. 65.8% of fitness trackers support high and low heart rate alerts.
High heart rate alert only.
Irregular heart rate alerts
?
Blood oxygen sensor
no
Blood oxygen sensor
no
â–¼ Worse than 25% of models
This fitness tracker does not have a blood oxygen sensor. 25.4% of fitness trackers have a blood oxygen sensor.
Show more
GPS
no
GPS
no
â–¼ Worse than 11% of models
This fitness tracker does not have GPS. 11% of fitness trackers have GPS.
Satellite systems supported
no
Satellite systems supported
no
â–¼ Worse than 12% of models
This fitness tracker supports no satellite systems which is less versatile than that of 12.2% of fitness trackers and the same as that of 87.8% of fitness trackers.
no satellite positioning support.
GNSS bands supported
no
GNSS bands supported
no
â–¼ Worse than 9% of models
This fitness tracker does not support advanced GNSS bands. 8.9% of fitness trackers support advanced GNSS bands.
Galileo support
no
Galileo support
no
â–¼ Worse than 5% of models
This fitness tracker does not support Galileo. 4.9% of fitness trackers support Galileo.
Acquires GPS faster
no
Acquires GPS faster
no
â–¼ Worse than 8% of models
This fitness tracker does not support faster GPS acquisition. 8.1% of fitness trackers support faster GPS acquisition.
Show more
Notifications
yes
Notifications
yes
â–² Better than 28% of models
This fitness tracker supports notifications. 27.5% of fitness trackers support notifications.
Vibrating alerts
yes
Vibrating alerts
yes
â–² Better than 16% of models
This fitness tracker supports vibration alerts. 16.3% of fitness trackers support vibration alerts.
Call control
no
Call control
no
â–¼ Worse than 42% of models
This fitness tracker does not support call controls. 41.8% of fitness trackers support call controls.
Call answering
no
Call answering
no
â–¼ Worse than 1% of models
This fitness tracker does not support call answering. 1% of fitness trackers support call answering.
Calendar sync
no
Calendar sync
no
â–¼ Worse than 20% of models
This fitness tracker does not support calendar sync. 20.3% of fitness trackers support calendar sync.
Show more
Activity reports
yes
Activity reports
yes
â–² Better than 6% of models
This fitness tracker supports activity reports. 5.7% of fitness trackers support activity reports.
Goal setting
yes
Goal setting
yes
â–² Better than 2% of models
This fitness tracker supports goal setting. 2.4% of fitness trackers support goal setting.
Achievements
yes
Achievements
yes
â–² Better than 24% of models
This fitness tracker supports achievements. 24.3% of fitness trackers support achievements.
Inactivity alerts
yes
Inactivity alerts
yes
â–² Better than 24% of models
This fitness tracker supports inactivity alerts. 23.5% of fitness trackers support inactivity alerts.
Coaching
no
Coaching
no
â–¼ Worse than 34% of models
This fitness tracker does not support coaching. 34% of fitness trackers support coaching.
Show more
Bluetooth version
4.2
Bluetooth version
4.2
â–² Better than 60% of models
This fitness tracker supports Bluetooth 4.2 which is newer than in 59.9% of fitness trackers and equal to that in 14.2% of fitness trackers.
Maximum Bluetooth range
?
NFC
no
NFC
no
â–¼ Worse than 13% of models
This fitness tracker does not have NFC. 13% of fitness trackers have NFC.
Wi-Fi connectivity
no
Wi-Fi connectivity
no
â–¼ Worse than 2% of models
This fitness tracker does not support Wi-Fi. 1.8% of fitness trackers support Wi-Fi.
Wi-Fi version
no
Wi-Fi version
no
â–¼ Worse than 1% of models
This fitness tracker does not support modern Wi-Fi. 1% of fitness trackers support modern Wi-Fi.
no Wi-Fi support.
Show more
Battery life
10 days
Battery life
10 days
â–² Better than 50% of models
Market range: <5 days – >180 days
This fitness tracker offers a battery life of 10 days which is longer than that of 50% of fitness trackers and equal to that of 4.5% of fitness trackers.
Battery life with GPS on
N/A
Battery life in training mode
?
Battery life in power-saving mode
?
Battery capacity
85 mAh
Battery capacity
85 mAh
â–¼ Worse than 72% of models
Market range: <30 mAh – >225 mAh
This fitness tracker has a battery capacity of 85 mAh which is lower than that of 71.7% of fitness trackers and equal to that of 0.7% of fitness trackers.
Show more
Display
yes
Display
yes
â–² Better than 24% of models
This fitness tracker has a display. 24.1% of fitness trackers have a display.
Screen size
0.87 inch
Screen size
0.87 inch
â–¼ Worse than 76% of models
Market range: <0 inch – >1.6 inch
This fitness tracker has a screen size of 0.87 inch which is smaller than that of 75.5% of fitness trackers and equal to that of 2.1% of fitness trackers.
Display type
OLED
Display type
OLED
â–² Better than 53% of models
This fitness tracker uses OLED display technology which is more advanced than that of 52.8% of fitness trackers and the same as that of 21.5% of fitness trackers.
Screen resolution
128x 32
Screen resolution
128x 32
â–¼ Worse than 52% of models
This fitness tracker has a screen resolution of 128x32 which is lower than that of 51.7% of fitness trackers and equal to that of 9.1% of fitness trackers.
Pixel density
137 ppi
Pixel density
137 ppi
â–¼ Worse than 95% of models
Market range: <140 ppi – >330 ppi
This fitness tracker has a pixel density of 137 ppi which is lower than that of 95.4% of fitness trackers.
Show more
Form factor
wristband
Hybrid design
no
Hybrid design
no
â–¼ Worse than 2% of models
This fitness tracker does not support Hybrid design. 2.4% of fitness trackers support Hybrid design.
Designed for kids
no
Designed for kids
no
â–¼ Worse than 2% of models
This fitness tracker is not designed for kids. 2.4% of fitness trackers are designed for kids.
Replaceable watch band
yes
Replaceable watch band
yes
â–² Better than 26% of models
This fitness tracker has a replaceable watch band. 25.6% of fitness trackers have a replaceable watch band.
Band width
18 mm
Show more

Lenovo HX03 Cardio vs the average fitness tracker

246810TotalHealthSports & NavigationBatteryDisplayConnectivitySmart FeaturesDesign & DurabilityApp & Wellness
  • 0.5 hours shorter charging time
    Charging time
    1 hours
    â–² Better than 83% of models
    Market range: <0 hours – >5 hours
    This fitness tracker has a lower charging time than the average fitness tracker (1 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
    1 hours vs 1.5 hours
  • Heart rate alerts
    Fast/slow heart rate alerts
    yes
    â–² Better than 66% of models
    This fitness tracker supports high and low heart rate alerts, while the average fitness tracker does not. 34.5% of fitness trackers support high and low heart rate alerts.
    High heart rate alert only.
  • Phone finder support
    Find my phone
    yes
    â–² Better than 51% of models
    This fitness tracker supports phone finding, while the average fitness tracker does not. 49.3% of fitness trackers support phone finding.
  • Built-in gyroscope
    Gyroscope
    yes
    â–² Better than 74% of models
    This fitness tracker has a gyroscope, while the average fitness tracker does not. 26.5% of fitness trackers have a gyroscope.
  • 3 mm thinner design
    Thickness
    8 mm
    ★ Better than 91% of models
    Market range: <8 mm – >13 mm
    This fitness tracker is thinner than the average fitness tracker (8 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.
    8 mm vs 11 mm
  • Modern Bluetooth version
    Bluetooth version
    4.2
    â–² Better than 60% of models
    This fitness tracker supports a newer Bluetooth version than the average fitness tracker (4.2 vs 4). The average fitness tracker supports Bluetooth 4.0.
    4.2 vs 4.0
  • 32.8 mm lower height
    Height
    8 mm
    ★ Better than 99% of models
    Market range: <10 mm – >50 mm
    This fitness tracker is shorter than the average fitness tracker (8 mm vs 40.8 mm). The average fitness tracker has a height of 40.8 mm.
    8 mm vs 40.8 mm
  • Water intake tracking
    Water intake tracking
    yes
    â–² Better than 58% of models
    This fitness tracker supports water intake tracking, while the average fitness tracker does not. 42% of fitness trackers support water intake tracking.
  • 3.5x cheaper
    Lenovo HX03 Cardio is cheaper than the average fitness tracker (£20 vs £70).
    £20 vs £70
  • Heart rate alerts
    Fast/slow heart rate alerts
    yes
    â–² Better than 66% of models
    This fitness tracker supports high and low heart rate alerts, while the average fitness tracker does not. 34.5% of fitness trackers support high and low heart rate alerts.
    High heart rate alert only.
  • Sweat tracking
    Sweat tracking
    yes
    ★ Better than 93% of models
    This fitness tracker supports sweat tracking, while the average fitness tracker does not. 7.7% of fitness trackers support sweat tracking.
    Tracks perspiration levels.
  • 0.5 hours shorter charging time
    Charging time
    1 hours
    â–² Better than 83% of models
    Market range: <0 hours – >5 hours
    This fitness tracker has a lower charging time than the average fitness tracker (1 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
    1 hours vs 1.5 hours
  • Modern Bluetooth version
    Bluetooth version
    4.2
    â–² Better than 60% of models
    This fitness tracker supports a newer Bluetooth version than the average fitness tracker (4.2 vs 4). The average fitness tracker supports Bluetooth 4.0.
    4.2 vs 4.0
  • Phone finder support
    Find my phone
    yes
    â–² Better than 51% of models
    This fitness tracker supports phone finding, while the average fitness tracker does not. 49.3% of fitness trackers support phone finding.
  • Camera remote control
    Camera remote control
    yes
    â–² Better than 61% of models
    This fitness tracker supports camera remote control, while the average fitness tracker does not. 38.9% of fitness trackers support camera remote control.
  • 3 mm thinner design
    Thickness
    8 mm
    ★ Better than 91% of models
    Market range: <8 mm – >13 mm
    This fitness tracker is thinner than the average fitness tracker (8 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.
    8 mm vs 11 mm
  • 32.8 mm lower height
    Height
    8 mm
    ★ Better than 99% of models
    Market range: <10 mm – >50 mm
    This fitness tracker is shorter than the average fitness tracker (8 mm vs 40.8 mm). The average fitness tracker has a height of 40.8 mm.
    8 mm vs 40.8 mm
  • 20% lighter
    Thickness
    20 g mm
    ★ Better than 91% of models
    Market range: <8 mm – >13 mm
    This fitness tracker is lighter than the average fitness tracker (20 g vs 25 g). The average fitness tracker weighs 25 g.
    20 g vs 25 g
  • Water intake tracking
    Water intake tracking
    yes
    â–² Better than 58% of models
    This fitness tracker supports water intake tracking, while the average fitness tracker does not. 42% of fitness trackers support water intake tracking.
  • Available on PC
    Available on PC
    yes
    â–² Better than 82% of models
    This fitness tracker is available on PC, while the average fitness tracker is not. 18.1% of fitness trackers are available on PC.
    Windows app available.
  • Ad-free
    Free app
    yes
    â–² Better than 4% of models
    This fitness tracker has an ad-free app, while the average fitness tracker does not. 48.1% of fitness trackers have an ad-free app.
  • Lower screen resolution
    Screen resolution
    128 x 32
    â–¼ Worse than 52% of models
    This fitness tracker has a lower screen resolution than the average fitness tracker (128x32 vs 194x368). The average fitness tracker has a screen resolution of 194x368.
    128x32 vs 194x368
  • No pace measurement
    Measures pace
    no
    â–¼ Worse than 62% of models
    This fitness tracker does not support pace measurement, while the average fitness tracker does. 61.7% of fitness trackers support pace measurement.
  • 44.1% lower pixel density
    Pixel density
    137 ppi
    â–¼ Worse than 95% of models
    Market range: <140 ppi – >330 ppi
    This fitness tracker has a lower pixel density than the average fitness tracker (137 ppi vs 245 ppi). The average fitness tracker has a pixel density of 245 ppi.
    137 ppi vs 245 ppi
  • 48.5 m lower waterproof depth rating
    Waterproof depth rating
    1.5 m
    â–¼ Worse than 73% of models
    Market range: <0 m – >50 m
    This fitness tracker has a lower waterproof depth rating than the average fitness tracker (1.5 m vs 50 m). The average fitness tracker has a waterproof depth rating of 50 m.
    1.5 m vs 50 m
  • No weight tracking
    Weight tracking
    no
    â–¼ Worse than 81% of models
    This fitness tracker does not support weight tracking, while the average fitness tracker does. 81% of fitness trackers support weight tracking.
  • 0.17 inch smaller screen size
    Screen size
    0.87 inch
    â–¼ Worse than 76% of models
    Market range: <0 inch – >1.6 inch
    This fitness tracker has a lower screen size than the average fitness tracker (0.9 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.
    0.87 inch vs 1.04 inch
  • 98.4% smaller internal storage
    Internal storage
    0.000512 GB
    â–¼ Worse than 90% of models
    Market range: <0 GB – >0.5 GB
    This fitness tracker has a lower internal storage than the average fitness tracker (0 GB vs 0 GB). The average fitness tracker has 0.032 GB of internal storage.
    0.000512 GB vs 0.032 GB
  • 22.7% smaller battery capacity
    Battery capacity
    85 mAh
    â–¼ Worse than 72% of models
    Market range: <30 mAh – >225 mAh
    This fitness tracker has a lower battery capacity than the average fitness tracker (85 mAh vs 110 mAh). The average fitness tracker has 110 mAh of battery capacity.
    85 mAh vs 110 mAh
  • 41.9% lower user score
    User score
    5.6/ 10
    ✕
    What it is
    A rating that combines user reviews and the total number of reviews received by the fitness tracker.
    When it matters
    When you want to know how a fitness tracker performs in daily use and how reliable it remains over time according to user feedback.
    Score distribution
    â–¼
    â–¼
    <55-66-77-88-99-10
    Lenovo HX03 Cardio
    the average fitness tracker
    Lenovo HX03 Cardio has a lower user score than the average fitness tracker (5.64 vs 8.000).
    5.64 vs 8
  • 22.7% smaller battery capacity
    Battery capacity
    85 mAh
    â–¼ Worse than 72% of models
    Market range: <30 mAh – >225 mAh
    This fitness tracker has a lower battery capacity than the average fitness tracker (85 mAh vs 110 mAh). The average fitness tracker has 110 mAh of battery capacity.
    85 mAh vs 110 mAh
  • Lower screen resolution
    Screen resolution
    128 x 32
    â–¼ Worse than 52% of models
    This fitness tracker has a lower screen resolution than the average fitness tracker (128x32 vs 194x368). The average fitness tracker has a screen resolution of 194x368.
    128x32 vs 194x368
  • 44.1% lower pixel density
    Pixel density
    137 ppi
    â–¼ Worse than 95% of models
    Market range: <140 ppi – >330 ppi
    This fitness tracker has a lower pixel density than the average fitness tracker (137 ppi vs 245 ppi). The average fitness tracker has a pixel density of 245 ppi.
    137 ppi vs 245 ppi
  • 0.17 inch smaller screen size
    Screen size
    0.87 inch
    â–¼ Worse than 76% of models
    Market range: <0 inch – >1.6 inch
    This fitness tracker has a lower screen size than the average fitness tracker (0.9 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.
    0.87 inch vs 1.04 inch
  • 98.4% smaller internal storage
    Internal storage
    0.000512 GB
    â–¼ Worse than 90% of models
    Market range: <0 GB – >0.5 GB
    This fitness tracker has a lower internal storage than the average fitness tracker (0 GB vs 0 GB). The average fitness tracker has 0.032 GB of internal storage.
    0.000512 GB vs 0.032 GB
  • No stopwatch
    Stopwatch
    no
    â–¼ Worse than 60% of models
    This fitness tracker does not have a stopwatch, while the average fitness tracker does. 59.7% of fitness trackers have a stopwatch.
  • 48.5 m lower waterproof depth rating
    Waterproof depth rating
    1.5 m
    â–¼ Worse than 73% of models
    Market range: <0 m – >50 m
    This fitness tracker has a lower waterproof depth rating than the average fitness tracker (1.5 m vs 50 m). The average fitness tracker has a waterproof depth rating of 50 m.
    1.5 m vs 50 m
  • No weight tracking
    Weight tracking
    no
    â–¼ Worse than 81% of models
    This fitness tracker does not support weight tracking, while the average fitness tracker does. 81% of fitness trackers support weight tracking.

Video reviews

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

Expert reviews

In-depth analysis and verdict from leading tech publications

M
maison-de-geek.com
29/03/2018
Summary of the review
Review: The Lenovo Cardio Plus HX03W
(Translated)Show original
A
androidpc.es
10/05/2018
Summary of the review
Lenovo Cardio Plus HX03W: A Full-Screen Smart Wristband
(Translated)Show original

Third-party reviews

Based on 89 buyer reviews from online shops.
Reviews last updated: June 2026 · How we calculate this
Read buyer reviews on Amazon →

What we like about Lenovo HX03 Cardio

  • Integrated USB direct charging plug eliminates the need for separate cables
  • Good battery life, typically lasting between 7 to 10 days on a single charge
  • Lightweight and ergonomic silicone strap design provides a comfortable fit
  • Affordable budget-friendly pricing compared to similar trackers
  • IP68 water resistance rating allows for use during swimming or in rain

What we don't like about Lenovo HX03 Cardio

  • Poor display brightness makes it difficult to read data under direct sunlight
  • Inconsistent accuracy for heart rate monitoring and step counting
  • Connectivity issues with the 'Lenovo Life' or 'Healthy' app, including sync failures
  • Limited notification functionality, sometimes failing to show caller names or message details
  • Reports of durability issues, including devices becoming unresponsive after a few months

Verdict

The Lenovo HX03 Cardio is a budget-friendly fitness tracker featuring a 0.96-inch OLED touch display with a 128 x 32 pixel resolution and an IP68 water-resistant rating. Key specifications include an 85mAh battery providing up to 10 days of life, Bluetooth 4.2 connectivity, and essential health sensors such as an optical heart rate monitor, pedometer, and sleep tracker. Its standout features include a convenient USB direct-charging design that eliminates the need for extra cables, sedentary reminders, and smartphone notifications for calls and social apps. Main pros are its lightweight 20g build, interchangeable silicone straps, and accurate step counting for its price point. However, notable cons include a display that can be difficult to read under direct sunlight, a single touch-point navigation rather than a full touchscreen, and reported inaccuracies in step tracking during vehicle travel.

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