Comparison

Cling vs LiveMetric HeartTracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cling

This app syncs with a wearable device to record and store your health data, including sleep, exercise, heart rate, and skin temperature. It offers in-depth health analysis, personalized solutions for fitness goals, and a social platform for users to connect and motivate each other. It also integrates with Apple HealthKit.

Highlights
  • Records sleep and exercise data
  • Monitors heart rate and skin temperature
  • Performs in-depth health analysis
  • Generates personalized health solutions
  • Social platform for fitness enthusiasts
  • Integrates with Apple HealthKit
Features
Read full description

*** You will need a Cling wearable device to use this App *** Cling App records and stores user health data by sync up to a Cling wearable device, including activity data such as daily sleep and exercise and vital signals such as heart rate and skin temperature. Cling App also allows user to check all the past health data, and perform a in-deep health analysis. Based on user personal health status, Cling App generates a health solution accordingly, and helps user to achieve various fitness goals and live a healthy life. In addition, Cling App provides a social platform where all the Cling user can get to know each other, exchange fitness ideas, and motivate others. Cling App also supports Apple HealthKit. Once authorized by user, it will sync health data from Apple HealthKit to the App, and perform further analysis for user. Please note, Continued use of GPS running in the background can dramatically decrease battery life.

About

LiveMetric HeartTracker

Features
Read full description

The HeartTracker is LiveMetric clinical trial app designed to help clinical trial patients perform blood pressure measurements. HeartTracker offers guidance, wearable device management, and measurements, designed to make clinical trial participation as easy and seamless as possible. Designed to support research organizations, remote patient monitoring companies, pharma corporations and hospitals to advance their medical research in the blood pressure field. HeartTracker makes participation much more inviting thanks to a user-friendly design and technology. Patients who participate in a particular clinical study are provided with LiveOne wristband and can access HeartTracker for the duration of the study. The HeartTracker app is can only activated when connected to a LiveOne wristband supplied by the study personnel conducting the clinical study. HeartTracker, with its easy to use interface, allows patients to measure, save and securely share their blood pressure data with the study healthcare professionals, all from the comfort of their home making data collection easy and simple. HeartTracker provides information and tools to help you manage your health and well-being. However, it is not intended to be a substitute for professional medical advice, diagnosis, or treatment. You should always consult with a qualified healthcare provider before making any medical decisions, including using this app to manage your health. About the LiveOne blood pressure wristband: • It connects automatically and wirelessly to your mobile device via Bluetooth. • It allows real-time blood pressure monitoring. • It is maintenance free, just recharge it using the provided dedicated charger. No need for sterilization and calibration. The LiveOne blood pressure wristband is intended to be used by: • Healthcare professionals trained to perform blood pressure measurement. • Adults trained by healthcare professionals or through self-learning who understand how to perform a blood pressure measurement. Technicalities • HeartTracker ensures patient’s privacy and anonymity in a clinical trial. The app complies with international regulations and laws for patient privacy. • HeartTracker uses patients’ demographics weight, height, age, gender to calculate blood pressure values. • HeartTracker can show patients their current and historical measurement results. • HeartTracker may share measurement results with study coordinators in a secure manner (based on the study protocol). • The LiveOne wristband (and App) is a CE Certified Medical Device Class IIa Blood pressure and heart rate monitor, meeting ISO 81060-2 and IEC 80601-2-30 standards. LiveMetric is ISO 13485 certified.

Screenshots

Cling4 screens
LiveMetric HeartTracker4 screens

Verdict

The call

Cling and LiveMetric HeartTracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on September 8, 2026.

ScorecardNo meaningful differences
Cling versus LiveMetric HeartTracker: the parameters behind the verdict, then further details
ParameterClingLiveMetric HeartTracker
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size109 MB127 MB
Age rating4+12+
DeveloperShanghai HanLin Electronic Technology Co., LtdLivemetric Medical SA

In-app purchases

None

Cling

No in-app purchases

None

LiveMetric HeartTracker

No in-app purchases

Questions

Is Cling free?
Cling is free to download, with no in-app purchases.
Is LiveMetric HeartTracker free?
LiveMetric HeartTracker is free to download, with no in-app purchases.
Do Cling or LiveMetric HeartTracker have ads?
Neither Cling nor LiveMetric HeartTracker shows ads.
Which is updated more often, Cling or LiveMetric HeartTracker?
Cling ships an update every 2 months, and LiveMetric HeartTracker every 2 months. Most recently, Cling was updated on September 8, 2026 and LiveMetric HeartTracker on September 8, 2026.

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