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Heart Graph

Heart Graph

by Smoky Cat Software Ltd.

1.2K ratings
552 reviews
💪 Health & Fitness
Free
In-App Purchases

Details

  • Released
  • Updated

Features

Developer

Smoky Cat Software Ltd.
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🧾$0.99 - $2.99
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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

Summarized from real user reviews of Heart Graph. Based on 1.2K reviews and a 4.5/5 average, it highlights the 9 positives and 4 negatives reviewers mention most about this Health & Fitness app.

Positive things

  • 👍Excellent for heart rate monitoring
  • 🚀Reliable and accurate data
  • 💡Customizable heart rate zones
  • 🔒No data collection or ads
  • 👍Simple and intuitive interface
  • 👍Great for pacing and interval training
  • 👍Seamless integration with Apple Watch and other devices
  • 👍Detailed workout history and comparison
  • 👍Valuable for managing chronic conditions

Negative things

  • 🐛Occasional connectivity issues
  • 🐛Calorie calculations can be inaccurate
  • 🔋Battery drain on some devices
  • 👎Limited free version, premium features require payment
See all reviews

What's New in Heart Graph

8.0.4

July 15, 2026

* Add GPS tracking as an option for outdoor workouts when recording on Apple Watch * Premium Feature users can now try our new direct Strava integration * Write heart rate samples to Apple Health when using a BTLE sensor (disable permission to retain existing behaviour) * Full support for iPad Multitasking * Show heart rate zones during recording on iPad * Add option for bulk export of all workouts * We’ve moved a couple of features to improve usability: * Compare Statistics is now called Workout Statistics, available from the Analysis button on the Home screen * Compare Graphs and Compare Reference Sets are available when viewing each specific workout * Planned workout design is now available from the new Workout Plans button on the Home screen * 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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In-App Purchases

$2.99

Premium Features

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User reviews

Most RecentHighest RatedLowest Rated

Works with AirPods Pro 3

Though it sadly sometimes loses the heart rate signal if I'm listening to music from my Mac. Even though the headphones are still connected to my iPhone.
RotaryCFIRotaryCFI

Great - easy to use

Does exactly what I need- track my HR during exercise. Simple and perfect
RobobortRobobort

Slow

Slow
1SorryDog1SorryDog

Incredible tool

The best tool I’ve found for managing zone 2 and hiit workouts. One of the few apps worth paying for.
HeartGraphIsGreatHeartGraphIsGreat

No app comes close

Have been using for a few years now in partnership with iPad video exercise bike apps. Amazing. But also used to watch my heart rate to monitor HR with diabetes keto acidosis and my mother after recovering from cancer treatment. Indispensable.
SkillweaverSkillweaver
See 547 more reviews

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.