# Rewire vs HeartMath

The clearest difference is in-app purchases: Rewire at none against HeartMath's 2. Rewire also leads on review sentiment (100% vs 74%) and iOS requirement (17.6 vs 26.0). HeartMath's advantage is update cadence (every 3 weeks vs every 7 months) and ratings volume (4.7K vs 15). On price, rating, ads and device support there is nothing between them.

Both are free to download. HeartMath sells 2 in-app purchases, starting at $79.00 per year. Rewire asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Rewire against 4.9 for HeartMath. That said, the two scores are not equally well evidenced: HeartMath has 4.7K ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 100% of Rewire's written reviews are positive against 74% of HeartMath's.

Rewire ships an update every 7 months, HeartMath every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Rewire | HeartMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/rewire-heart-plus-mind-insight/id1460843569/reviews)** | [4.9 (4.7K ratings)](https://appshunter.io/ios/app/heartmath/id6446414998/reviews) |
| Number of ratings | 15 | **4.7K** |
| Positive reviews | **100.0% of reviews** | 73.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 19 MB | 185 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Squid Store, LLC](https://appshunter.io/developer/337033958) | [HeartMath Inc.](https://appshunter.io/developer/482739914) |

## What reviewers say

### Rewire

[App page](https://appshunter.io/ios/app/rewire-heart-plus-mind-insight/id1460843569)

Visualize your stress levels in real-time through heart rate biofeedback. This app translates physiological changes into a dynamic color display, helping you understand your body's responses to daily experiences and practice mindfulness.

**Highlights:** Real-time heart rate biofeedback, Color visualization of stress levels, Personalized resting heart rate baseline, Privacy-first design, data stays on device, Guided mindfulness and calming practices, Optional integration with Rewire Dome display

**Features:** macOS Compatibility, Vision Pro support

**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 (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 Rewire free?

Rewire 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, Rewire or HeartMath?

Rewire is rated higher. Rewire averages 5.0 out of 5 from 15 ratings, while HeartMath averages 4.9 from 4.7K ratings.

### Do Rewire or HeartMath have ads?

Neither Rewire nor HeartMath shows ads.

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

Rewire ships an update every 7 months, and HeartMath every 3 weeks. Most recently, Rewire was updated on November 3, 2026 and HeartMath on November 3, 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.*