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My Heart Counts

My Heart Counts

by Stanford University

5 ratings
121 reviews
💪 Health & Fitness
🏥 Medical
Free

Details

Released
March 9, 2015
Updated
August 8, 2026

Features

Developer

Stanford University
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About

Contribute to groundbreaking heart health research by tracking your daily activity. This app offers personalized insights, an AI health coach, and a unique "Heart Score" to help you understand your cardiovascular well-being while advancing scientific understanding.

✓Citizen science participation
✓AI-powered health coach
✓Personalized Heart Score
✓Automatic activity tracking
✓Secure and private data handling
✓Optional physical activity testing
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What users say about My Heart Counts

Reviews of My Heart Counts are mixed: the Medical app is rated 2.8/5 from 5 App Store ratings. What users like most: easy to contribute to research, potential to advance medical knowledge. Top complaints: crashes and stability issues, high battery consumption. Summarized from real user reviews.

Positive things

  • 🚀Easy to contribute to research
  • 📊Potential to advance medical knowledge
  • 👍Simple and straightforward

Negative things

  • 🐛Crashes and stability issues
  • 🔋High battery consumption
  • 📉Inaccurate activity tracking
  • 🤔Repetitive and redundant questions
  • 🤷‍♀️Unclear instructions and feedback
See all reviews

What's New in My Heart Counts

4.0.7

August 8, 2026

Bug fixes and performance improvements.

User reviews

Most RecentHighest RatedLowest Rated

Great app

congrats to the team
Qquadxfi

Crashes after 20 seconds even version 4.0.7

The app closes after 20 seconds and I lose all my work (like answering surveys). It crashes (disappears from the screen) whether I am doing anything in the app, or if I just leave it on the screen.
AAPrasad

Crashes constantly

I’m frustrated because I can’t complete the surveys. The app invariably crashes while I take them. It even crashed when I tried to fill out the feedback form.
AAaronPF

Crashes after 20 seconds

The app closes after 20 seconds and I lose all my work (like answering surveys)
AAPrasad

Easy to use and helpful

Really enjoying the MHC app. Interface is easy to use and navigate. Viewing health data and trends is very helpful and clear. Feels responsive, polished, and user friendly. Excited to be using this going forward and seeing what research comes from it.
NNick__1968
See 116 more reviews

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User experience

🐞

Reported Bugs

4 issues

Login and authentication problems

Bug

Six-minute walk test not recording properly

Bug

Inconsistent data syncing and storage

Bug

Incompatibility with newer iOS versions

Bug
✨

Requested Features

4 requests

Ability to input previous day's data

Feature

Integration with wearable devices and health apps

Feature

More detailed feedback and insights

Feature

Contact information for support and feedback

Feature

FAQ

What does My Heart Counts do?

My Heart Counts is a research study and personal health app that allows you to contribute your daily activity data to scientific research focused on understanding cardiovascular health. It also provides personalized insights and an AI-powered coach to help you build healthier habits.

What are the key features of My Heart Counts?

Key features include automatic activity tracking, an AI-powered coach for personalized motivation and guidance, a unique "Heart Score" for insights into your cardiovascular health, and secure, private data handling. You can also opt-in for physical activity testing.

Is My Heart Counts free to use?

Yes, the app is free to download and use. It is part of a research study and does not have in-app purchases or advertisements.

What devices is My Heart Counts compatible with?

The app uses the motion sensors in your iPhone or can connect to your Apple Watch to track activity. Specific iOS version compatibility is not detailed but it is designed for iPhone users.

How can My Heart Counts help me?

By participating, you contribute valuable data to one of the largest heart health studies, potentially helping to unlock secrets to preventing heart disease. You also receive personalized insights into your own heart health and guidance from an AI coach to improve your physical activity and habits.