# Heart Graph

> Real-time heart rate tracking and analysis for fitness and health. (iPhone/iPad app by Smoky Cat Software Ltd..)

- Source: https://appshunter.io/ios/app/heart-graph/id591655999 (this page in markdown: same URL + `.md`)
- Developer: [Smoky Cat Software Ltd.](https://appshunter.io/developer/508703406)
- Category: Health & Fitness
- Price: Free with in-app purchases
- Rating: 4.50/5 from 1,199 App Store ratings · 557 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 33 MB
- Languages: American English, Russian, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2013-02-12
- Data updated: 2026-08-31
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/heart-graph/id591655999/reviews.md

## What is Heart Graph?

Knowing your current heart rate is useful, but seeing in real time how it varies over a longer period gives you much more information, especially when trying to understand how your body is responding to a training plan. Heart Graph can be used for all types of aerobic exercise including running, cycling, rowing or gym work, and of course you can also use it to study your normal heart rate for general health reasons.

Heart Graph allows you to record new data and see your heart rate graph in real time, as well as importing existing data from Apple Health. Data from previous sessions can then be compared to give a deeper understanding of how your body is changing over time, for example by directly comparing the graphs for equivalent sessions, viewing statistics such as max, mean and resting heart rate across sessions, or seeing the proportion of time spent in different heart rate zones aggregated over weeks or months. (Note some features require a one-off In-App Purchase, as described below.)

FREE features of Heart Graph include:
  * Display a real-time graph of heart rate against time on your iPhone or iPad
  * Support for both Bluetooth sensors and Apple Watch
  * No ads
  * Review your sessions offline to spot trends in your data
  * Integration with Apple Health: import existing workout data and store new workouts
  * Maximise the screen area for graphs on iPhone using landscape orientation
  * Group related sessions by adding your own notes, then searching for sessions matching those notes
  * Record a standard Reference Set at the start of each session to help determine how your body is really doing; if your heart rate is elevated, you may want to take it easy
  * Record data in the background if you want to use other heart rate apps (Bluetooth sensors)
  * Calculate calories burned, and set a calorie target for each session

Beyond the basics, a single, one-off In-App Purchase will enable the Premium Features, giving you access to more in-depth analysis tools and the ability to design your training sessions in the app. These Planned Workouts split a session into small pieces, for example sets at the the gym, or intervals on a bike. When you’re exercising, Heart Graph will keep track of where you are in the session and what’s coming up next, alerting you when it’s time to stop or move on. The trigger for moving from one set to the next can be a simple time gap (“wait 30 seconds”), or be based on heart rate to allow a specific amount of recovery before continuing (“wait until heart rate is below 120bpm”). The outcome is a structured plan that adapts to how your body is responding each time you do that session.

Premium Features include:
  * View and analyse the time spent in each of five configurable heart rate zones
  * Add annotations to the graph during recording to help identify key events
  * Heart rate alarms when your heart rate changes zone or goes above or below configurable thresholds
  * Import data from the Health app for custom time periods of up to 24 hours
  * Directly compare graphs for equivalent sessions
  * Compare statistics (such as max, mean and resting heart rate) across sessions
  * Record a session to explicitly measure resting heart rate while you relax
  * Audio rep counting so you never lose count - make a noise every time you complete a rep and the app keeps track of how many you’ve done
  * Import and export heart rate data from other apps or your computer using Garmin TCX format files
  * Import Garmin GPX format files
  * Export data to CSV files for further analysis in software such as Excel (email, Dropbox, etc)

Heart Graph requires an external sensor to record heart rate, such as:
  * A bluetooth (BTLE) sensor such as the Wahoo Tickr / Polar H10 chest straps, or the Mio Alpha watch
  * An Apple Watch
  * An ANT+ sensor connected using the Wahoo Key

DISCLAIMER: Heart Graph is not a medical device, and you must always seek a doctor’s advice before making any medical decisions.

## Key features

- 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

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium Features | $2.99 | one-time |
| Support Ad-Free Software | $0.99 | one-time |


## What do users think of Heart Graph?

Overall sentiment: positive

**Pros**

- 👍 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

**Cons**

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

**Commonly reported bugs**

- Workouts not always syncing correctly
- App crashes or freezes on some devices

**Most requested features**

- Add minimum heart rate to metrics
- Integrate with more fitness apps and devices
- Improve customization options for workout labels
- Display heart rate on the workout selection screen

## Recent user reviews (10 of 557)

All indexed reviews: https://appshunter.io/ios/app/heart-graph/id591655999/reviews.md

### 5/5 — AirPods 3 pro

*2026-08-21*

AirPodsы нужны 3-го поколения, вот, и тогда всё работает. Пробуйте!

**Developer response:** Вы пользуетесь AirPods Pro 3? Это единственная модель, способная отслеживать частоту сердечных сокращений.

### 5/5 — First rate app

*2026-08-16, version 8.0.5*

I was looking for heart rate monitor to help me recuperate from heart issues.

The Bluetooth reading picks up immediately and gives a solid easily viewed reading

An added bonus is the calorie counter. I try and burn 500 calories on each workout. The readout is easy to use.

After the workout has finished it is easy to review it and compare with previous workouts.

This app has many more functions that I do not make full use of but, having read up on it I think it is really comprehensive.  

Would I recommend to others?  Oh yes!

### 5/5 — Best app for the price,

*2026-07-19, version 8.0.4*

I have lost 23 pounds of fat with this app. Get this app, a cheap Amazon chest strap heart rate monitor, and you can too.

### 4/5 — Works with AirPods Pro 3

*2026-07-09, version 8.0.2*

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.

### 5/5 — Great - easy to use

*2026-07-07, version 8.0.2*

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

### 3/5 — Не смог подключить AirPods

*2026-07-06*

Слишком сложные настройки. Очень неудобно. А AirPodsы нужны 3-го поколения, вот.

**Developer response:** Вы пользуетесь AirPods Pro 3? Это единственная модель, способная отслеживать частоту сердечных сокращений.

### 1/5 — Slow

*2026-06-25, version 8.0*

Slow

### 5/5 — Incredible tool

*2026-06-17, version 8.0*

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

### 5/5 — No app comes close

*2026-06-11, version 7.0.2*

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.

### 3/5 — Almost perfect, need HealthKit write access

*2026-05-18, version 7.0.2*

Amazing app, almost perfect would be 5 stars if the app was able to write heart rate data to apple health kit. 3 other types of data can but not arguable the most valuable one, second by second heart rate for entire workouts, the one amazing thing the polar h10 can do, and why I’m using this app in the first place.

## Frequently asked questions about Heart Graph

### 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.

## Version history (last 5 releases)

### 8.0.6 — 2026-08-22

* Premium Feature users can now try our new direct Strava integration
* In order to better understand the features of the app our users make most use of, this release enables basic, aggregated usage analytics. We NEVER collect personal data such as your heart rate values, any data from Apple Health, or your name, email or account details, and the data we do collect is never linked to your identity. We are a small, independent company, and this data is only used by us to help us improve the app. NOTHING is shared with any third party. Turn analytics off in the app settings at any time to opt out.
* Minor bug fixes and enhancements

We're listening! If you experience a problem with the app, please contact us via our website.

### 8.0.5 — 2026-08-09

* 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.

### 8.0.4 — 2026-07-15

* 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.

### 8.0.3 — 2026-07-10

* Add GPS tracking as an option for outdoor workouts when recording on Apple Watch
* 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.

### 8.0.2 — 2026-06-30

* Add GPS tracking as an option for outdoor workouts when recording on Apple Watch
* 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.

## Apps similar to Heart Graph

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [HeartWatch: Heart Rate Monitor](https://appshunter.io/ios/app/heartwatch-heart-rate-monitor/id1062745479) | 4.7 (13,624) | $8.99 | Health & Fitness |
| [Instant Heart Rate+ HR Monitor](https://appshunter.io/ios/app/instant-heart-rate-plus-hr-monitor/id395042892) | 4.9 (31,886) | Free | Health & Fitness |
| [Echo: Watch Heart Rate Monitor](https://appshunter.io/ios/app/echo-watch-heart-rate-monitor/id1494679144) | 4.4 (3,656) | Free | Health & Fitness |
| [Cardiogram: Heart & BP Logger](https://appshunter.io/ios/app/cardiogram-heart-and-bp-logger/id1000017994) | 4.6 (13,372) | Free | Health & Fitness |
| [CardioBot: Heart Rate Monitor](https://appshunter.io/ios/app/cardiobot-heart-rate-monitor/id1149412984) | 4.5 (10,078) | Free | Health & Fitness |
| [Cardiio: Heart Rate Monitor](https://appshunter.io/ios/app/cardiio-heart-rate-monitor/id542891434) | 4.7 (58,416) | Free | Health & Fitness |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*