Heart Graph

Heart Graph

by Smoky Cat Software Ltd.

1.2K ratings
563 reviews
Free
In-App Purchases

Details

  • Released
  • Updated

Features

Heart Graph video #1 for iPhone
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About

Track your heart rate in real-time and analyze trends over time. Understand your body's response to training and general health with detailed graphs and statistics. Import data from Apple Health for a comprehensive view of your fitness journey.

✓Real-time heart rate graphing
✓Apple Health integration
✓Session comparison and statistics
✓Heart rate zone analysis
✓Planned workout design
✓Heart rate alarms
✓Background data recording
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What users say

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What's New in Heart Graph

8.1

September 25, 2026

* Add annotations to recordings after you’ve finished - you can now add (and edit) labelled markers for both points and ranges for all recordings * Export one or more recordings as a PDF, including graphs, for easy sharing with others * Add “Workouts & Training” and “Health Monitoring” as two options to optimise the app’s UI to your needs: existing users keep the current layout, but can switch in the app settings * Overhaul how data is imported from Apple Health: * See a summary of the data that can be imported * Add automatic daily imports to import the same data every day (e.g., overnight heart rate) * Bulk import of existing data in Health * Limited time offer: importing a chosen time period of up to 24 hours is currently free * Import Garmin TCX and GPX files directly from within the app * Simplify app settings UI * Minor bug fixes and enhancements We're listening! If you experience a problem with the app, please contact us via our website.

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Subscriptions & In-App Purchases

$2.99

Premium Features

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User reviews

Having Issues?

If you are having issues with Heart Rate Graph, you should be patient and read through everything again. It has worked perfectly for me for years now. I use it daily. I am 77 years old. I go to the gym everyday. I do high intensity interval training. I also graph my sleep every night. This app is simple but thorough. The small one time fee allows me to alarm alert me to high heart rate during the day or night due to a medical condition I have.
The app does not have annoying links and suggestions to junk.
This app is simply the best.
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Response from developer

Thank you for taking the time to leave such a detailed review - it really helps us to better understand exactly how people use the app and the features they value.

Very good

I use this app to collect Coros HR data which I load to my Oura ring app. Works very well. Only thing missing for me is the ability to delete warm down data when I forget to stop the recording.

bohica

Great app. Goes a lot deeper than I ever use but it’s nice to know the features are there when I need them in the future. Strongly recommend

Best and I tried 5 including paid apps

“”

Does not sync consistently

Just paid for the app and it does not sync. Tried 3 different hrms, rebooted devices etc. what utter garbage

User experience

🐞

Reported Bugs

2 issues

Workouts not always syncing correctly

Bug

App crashes or freezes on some devices

Bug
✨

Requested Features

4 requests

Add minimum heart rate to metrics

Feature

Integrate with more fitness apps and devices

Feature

Improve customization options for workout labels

Feature

Display heart rate on the workout selection screen

Feature

FAQ

What does Heart Graph do?

Heart Graph allows you to record and view your heart rate in real-time, providing detailed graphs and statistics. It helps you understand how your body responds to training plans and monitor your general health.

What are the key features of Heart Graph?

Key features include real-time heart rate graphing, integration with Apple Health to import and store data, session comparison for trend analysis, analysis of time spent in heart rate zones, and the ability to design planned workouts.

Is Heart Graph free to use?

The app offers a range of free features, including real-time graphing, Apple Health integration, and offline session review. Advanced analysis tools and workout planning require a one-off in-app purchase for premium features.

What devices is Heart Graph compatible with?

Heart Graph supports both Bluetooth heart rate sensors and Apple Watch for data collection. It can be used on iPhones and iPads.

How can Heart Graph help with my training?

Heart Graph helps by visualizing your heart rate during workouts, allowing you to understand your exertion levels and recovery. Premium features enable you to design structured training sessions with intervals and alerts based on heart rate, adapting to your body's response.