My Heart Counts4.0.7 - App Store

Turn your daily activity into a powerful tool for science with My Heart Counts, a revolutionary research study and personal health app from Stanford University School of Medicine, the University of Washington, and Imperial College London.

Heart disease is the #1 cause of death worldwide. But what if we could change that, together? My Heart Counts invites you to partner directly with researchers to help us understand how activity, lifestyle, and fitness relate to cardiovascular health. This isn't just another fitness tracker, it's your chance to be part of the solution.

WHY IS THIS SO EXCITING?
- BE A CITIZEN SCIENTIST: You are not just a user; you are a research partner. By simply living your life, you contribute valuable data to one of the largest-ever studies on heart health. Your contribution can help unlock the secrets to preventing heart disease.
- YOUR PERSONAL AI HEALTH COACH: This study includes a physical activity randomized controlled trial. My Heart Counts now features an intelligent coach powered by a cutting-edge Large Language Model (LLM). The coach provides personalized tips and encouragement to help you build healthier habits, one step at a time.
- GET PERSONALIZED INSIGHTS: Discover your "Heart Score," a unique measure of your cardiovascular health based on your activity levels and other data. Learn more about your own patterns and how they contribute to overall health.
- POWERED BY STANFORD MEDICINE: This app is developed and run by leading cardiologists and researchers at Stanford University, the University of Washington, and Imperial College London. You can trust the science and know your data is handled with the highest standards of security and privacy.

HOW IT WORKS:
1. Download & Consent: Join the study in minutes with a simple, transparent consent process.
2. Track Your Activity: The app uses the motion sensors in your iPhone or connects to your Apple Watch to automatically and securely measure your daily activity.
3. LLM-Powered Physical Activity Recommendations: Our LLM-powered coach will provide motivation and personalized physical activity advice.
4. Get Your Score & Contribute: See your activity patterns, get your Heart Score, and know that every step you take is advancing our collective understanding of heart health.

KEY FEATURES:
- Automatic Activity Tracking: Seamlessly monitors your steps, distance, and active time.
- AI-Powered Coaching: Chat with our LLM-driven coach for personalized motivation and guidance on your physical activity journey.
- Personalized Heart Score: Get a unique score and insights into your heart health.
- Secure & Private: Your data is encrypted, anonymized, and stored on secure servers. Your personally identifiable information is never shared.
- Optional Physical Activity Testing: Participate in a classic fitness assessment to provide even more valuable data.

DATA SAFETY & SECURITY:
We take your privacy as seriously as your heart health and your data is protected by the highest institutional standards:
- Open-source development: My Heart Counts is developed as an open-source project, allowing you to verify the functionality and security. We invite open-source contributors and are building on an open-source stack including the Stanford Spezi ecosystem.
- Enterprise-Grade Security: Your data is managed by Stanford Medicine Technology & Digital Solutions (TDS), utilizing the same rigorous security infrastructure used by Stanford Medicine.
- HIPAA Compliant: We are fully compliant with HIPAA regulations to ensure your Protected Health Information (PHI) remains safe and confidential.

Join a global movement for better health. Your motion has meaning.

Download My Heart Counts today and turn your daily activity into scientific discovery!

Version History Bug fixes and performance improvements. 4.0.7 Aug 8 What’s Changed
- fixed several crashes and issues for iOS 26.5 users
- improvements to the onboarding flow and demographics data collection
- new: the app now allows editing health conditions after the initial onboarding
- fixed some inconsistencies in the heart health tab
- SensorKit improvements
- fixed various random crashes 4.0.6 Aug 5 What’s Changed
- fixed: the ’today’s tasks’ list would sometimes contain tasks completed on previous days
- improved HealthKit integration
- reduced on-device storage usage
- fixed a potential error when using outdated versions of the app
- a ton of small bug fixes and efficiency improvements
Full Changelog: https://github.com/SchmiedmayerLab/MyHeartCounts-iOS/compare/4.0.4...4.0.5 4.0.5 Jun 26 What’s Changed
- fixed a bug where the app would sometimes crash on launch
Full Changelog: https://github.com/StanfordBDHG/MyHeartCounts-iOS/compare/4.0.3...4.0.4 4.0.4 Apr 23 Bug fixes and performance improvements. 4.0.3 Apr 17 What’s Changed
- Improved Language and Metadata Handling
Full Changelog: https://github.com/StanfordBDHG/MyHeartCounts-iOS/compare/4.0.1...4.0.2 4.0.2 Apr 5 What’s Changed
- Improved testing infrastructure
- Added sign-up lists for users outside the U.S.
- Improved release workflows

Full Changelog: https://github.com/StanfordBDHG/MyHeartCounts-iOS/compare/4.0.0...4.0.1 4.0.1 Mar 19 What’s Changed
- Automatic Activity Tracking: Seamlessly monitors your steps, distance, and active time.
- AI-Powered Coaching: Chat with our LLM-driven coach for personalized motivation and guidance on your physical activity journey.
- Personalized Heart Score: Get a unique score and insights into your heart health.
- Secure & Private: Your data is encrypted, anonymized, and stored on secure servers. Your personally identifiable information is never shared.
- Optional Physical Activity Testing: Participate in a classic fitness assessment to provide even more valuable data. 4.0.0 Mar 9 Thank you for being a member of the study and to those that reached out about bugs. This build fixes the bugs that were introduced while trying to support iOS14. Enjoy! 2.4.1 01/05/2021 Bugfixes for iOS 14 2.4 10/21/2020 We are excited to partner with the COVID-19 Host Genome Initiative (https://www.covid19hg.org/) to help crowdsource information about disease severity and how it can be influenced by genetics with a new repeating survey. Please try this new release with many bug fixes and lessened battery impact. Thank you for participating in the MyHeart Counts study! 2.3.2 05/11/2020 We are excited to partner with the COVID-19 host genome consortium (https://www.covid19hg.org/) to help crowdsource information about disease severity and how it can be influenced by genetics. Other updates include more HealthKit collection including Health Records, integration of some activity data from the Apple Watch and many bug fixes. 2.3.0 04/13/2020 We have fixed critical bugs and have renewed consents for 2020. 2.2.1 12/13/2019 We are excited to distribute our first point release in over a year, MyHeart Counts 2.2! A lot had changed under the hood as we updated libraries including ReserachKit, which you will notice when you see our app’s modern look. Other fixes include iOS 13 support including Dark Mode and Face ID to log in. Thank you for participating in our study! 2.2 11/11/2019 We have updated our consent documents for 2018-2019, added new surveys and fixed bugs. 2.1.3 02/08/2019 iOS 12 is now supported. Assorted bugs have been fixed. 2.1.2 11/19/2018 Thank you for contributing to heart health research. MyHeart Counts 2.1.1 includes a couple of bug fixes related to edge cases from device data now included in the 7-day assessment and actual support for the iPhone X. We hope you enjoy. 2.1.1 06/08/2018 We are excited to release version 2.1 of MyHeart Counts in response to your feedback. This release significantly reduces the app’s battery usage, provides support for the iPhone X, enhances the 7-Day Activity assessment to include both phone and device data and fixes assorted bugs. Thank you for your continued participation and contributing to heart health research. 2.1 05/30/2018 Thank you for your continued participation and contributing to heart health research. This is a maintenance release that updates consents to reflect our 2017-2018 IRB renewal and fixes a subset of our high priority bugs. Please bear with us as we address all of the issues with the app including known open problems with accessibility, battery efficiency, the 7-Day Activity Assessment and iPhone X. 2.0.3 12/21/2017 Thank you for updating to version 2.0.2 of MyHeart Counts! We updated the app to support iOS 11 and fixed a couple bugs to harden data transfer. If you are a returning user, you will be offering coaching again; please keep using the app until you receive your Coaching Completion Trophy. We hope you enjoy and thank you for contributing to heart health research. 2.0.2 10/09/2017 Thank you for updating to Version 2 of MyHeart Counts! We made some minor changes that will make the app easier to use and fixed a couple of bugs to prevent a few crashes we noticed in the earlier version. If you have a wearable connected to HealthKit you can now see your heart rate during the 6 minute walk test. We added a couple more activities to the Optional section as some users wanted to be able to complete them more than once. We hope you enjoy and thank you for contributing to heart health research. 2.0.1 02/09/2017 • Improved the Design
• Added Coaching Feature
• Added Achievements System
• Updated Compare With Others Graph
• Further Bug Fixes and Stability Enhancements
• The “What’s new” text for iTunes

We learned some interesting things about our users over the last year and now want to share those things with you. The team has taken your feedback, improved some features and squished a few bugs. We are very excited to share that a new ‘coaching module’ has been added to MyHeart Counts. It is designed to help us get a better sense of what motivates you to get active and make you heart count. As always we appreciate your contribution to the advancement of heart health research. 2.0.0 12/14/2016 Enabled 6 minute walk from day one 1.7.3 10/12/2016 Additional text regarding sharing genetic information added to the 23andme consent module. Link to a printable version of the 23andme informed consent added. 1.7.2 07/07/2016 Bug Fixes and Stability Enhancements 1.7.1 05/13/2016