# HeartMath vs Gong Timer

The clearest difference is update cadence: HeartMath at every 3 weeks against Gong Timer's every 9 months. Gong Timer's advantage is iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HeartMath sells 4 in-app purchases, starting at $39.00 per year and Gong Timer sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

HeartMath ships an update every 3 weeks, Gong Timer every 9 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | HeartMath | Gong Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (4.6K ratings)](https://appshunter.io/ios/app/heartmath/id6446414998/reviews)** | — |
| Number of ratings | **4.6K** | — |
| Positive reviews | 73.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Monetization | Freemium | — |
| Size | 185 MB | 18 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [HeartMath Inc.](https://appshunter.io/developer/482739914) | [Intenvix, Inc.](https://appshunter.io/developer/1574144037) |

## What reviewers say

### HeartMath

[App page](https://appshunter.io/ios/app/heartmath/id6446414998)

This app helps you manage stress, improve focus, and achieve optimal performance by aligning your heart, mind, and emotions. It offers guided sessions, immersive journeys, and coherence practices based on over 30 years of research.

**Highlights:** Real-time HRV Coherence Measurement, Coherence Training, Scientifically Validated Techniques, Guided Learning Sessions, Progress Tracking, Heart-Brain Coherence Benefits

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeartMath Premium | $39.00 | per year |
| HeartMath Premium | $59.00 | per year |
| HeartMath Premium | $79.00 | per year |
| HeartMath Premium | $99.99 | per year |

**What reviewers like**

- 🚀 Huge improvement over previous app
- 👍 Easy to use and highly recommended
- 💡 Loaded with HeartMath techniques and courses
- 👍 Powerful tool for nervous system balance and anxiety reduction
- 👍 Helps achieve a better mental state

**What reviewers complain about**

- 🐛 Connectivity issues with sensor
- 🐛 Sensor not compatible with older devices
- 🐛 App crashes and freezes on newer devices
- 🐛 Inaccurate heart rate and coherence readings
- 🐛 Disruptive screen sleep behavior during sessions

**Reported bugs**

- Sensor connection issues on newer devices
- App crashes and freezes on iPhone 16 Pro
- Inaccurate heart rate and coherence readings
- Screen sleep behavior disrupting sessions

**Requested features**

- Add dark mode option
- Allow playing music/sounds during sessions
- Provide audio feedback on coherence levels
- Add session history customization and details
- Improve sensor compatibility with older devices


### Gong Timer

[App page](https://appshunter.io/ios/app/gong-timer-mindfulness-space/id6745200224)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Practitioner (monthly) | $3.99 | per month |
| Practitioner (annual) | $39.99 | per year |


## Frequently asked questions

### Is HeartMath free?

HeartMath is free to download, with in-app purchases available.

### Is Gong Timer free?

Gong Timer is free to download, with in-app purchases available.

### Do HeartMath or Gong Timer have ads?

Neither HeartMath nor Gong Timer shows ads.

### Which is updated more often, HeartMath or Gong Timer?

HeartMath ships an update every 3 weeks, and Gong Timer every 9 months. Most recently, HeartMath was updated on October 14, 2026 and Gong Timer on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*