# HeartMath vs MUUM

The clearest difference is iOS requirement: MUUM at 18.2 against HeartMath's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. HeartMath sells 4 in-app purchases, starting at $39.00 per year and MUUM sells 4 in-app purchases, starting at $10.00 per month. Whichever you choose, the download price is not the number that matters.

HeartMath ships an update every 3 weeks, MUUM every 2 weeks. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | HeartMath | MUUM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (4.6K ratings)](https://appshunter.io/ios/app/heartmath/id6446414998/reviews)** | — |
| Number of ratings | **4.6K** | — |
| Positive reviews | 73.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 185 MB | 306 MB |
| Requires iOS | 26.0 | **18.2** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [HeartMath Inc.](https://appshunter.io/developer/482739914) | [MUUM](https://appshunter.io/developer/1812016108) |

## 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


### MUUM

[App page](https://appshunter.io/ios/app/muum-breathwork/id6745403683)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MUUM | $10.00 | per month |
| MUUM | $16.99 | per month |
| MUUM | $29.99 | per year |
| MUUM | $69.99 | per year |


## Frequently asked questions

### Is HeartMath free?

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

### Is MUUM free?

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

### Do HeartMath or MUUM have ads?

Neither HeartMath nor MUUM shows ads.

### Which is updated more often, HeartMath or MUUM?

HeartMath ships an update every 3 weeks, and MUUM every 2 weeks. Most recently, HeartMath was updated on September 25, 2026 and MUUM on September 22, 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.*