# MindLax vs HeartMath

The clearest difference is rating: HeartMath at 4.9 against MindLax's 3.9. HeartMath also leads on ratings volume (4.6K vs 10) and review sentiment (74% vs 50%). MindLax's advantage is in-app purchases (none vs 5) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. HeartMath sells 4 in-app purchases, starting at $39.00 per year. MindLax asks for nothing beyond the download.

HeartMath holds the better App Store score, 4.9 against 3.9. That said, the two scores are not equally well evidenced: HeartMath has 4.6K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 50% of MindLax's written reviews are positive against 74% of HeartMath's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | MindLax | HeartMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (10 ratings)](https://appshunter.io/ios/app/mindlax/id1639909143/reviews) | **[4.9 (4.6K ratings)](https://appshunter.io/ios/app/heartmath/id6446414998/reviews)** |
| Number of ratings | 10 | **4.6K** |
| Positive reviews | 50.0% of reviews | **73.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Freemium |
| Size | 78 MB | 185 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Xinjingshengyu Health Technology Co., LTD](https://appshunter.io/developer/1636003797) | [HeartMath Inc.](https://appshunter.io/developer/482739914) |

## What reviewers say

### MindLax

[App page](https://appshunter.io/ios/app/mindlax/id1639909143)

This app offers a system for relaxation and improved sleep quality. It combines intelligent software with hardware to help users recharge energy and achieve deep sleep. Designed by experts, it aims to enhance physical and mental well-being through a unique healing format.

**Highlights:** Relaxation for energy recharge, Deep sleep experience, Improved sleep quality, Intelligent healing system, Expert-designed features, Physical and mental health focus

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MindLax free?

MindLax is free to download, with no in-app purchases.

### Is HeartMath free?

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

### Which has better reviews, MindLax or HeartMath?

HeartMath is rated higher. MindLax averages 3.9 out of 5 from 10 ratings, while HeartMath averages 4.9 from 4.6K ratings.

### Do MindLax or HeartMath have ads?

Neither MindLax nor HeartMath shows ads.

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

MindLax ships an update every 3 weeks, and HeartMath every 3 weeks. Most recently, MindLax was updated on October 1, 2026 and HeartMath on October 16, 2026.

---

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