# RaDoTech vs HeartMath

The clearest difference is in-app purchases: RaDoTech at none against HeartMath's 5. RaDoTech also leads on iOS requirement (15.0 vs 26.0). HeartMath's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads 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. RaDoTech asks for nothing beyond the download.

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

## The numbers

| Metric | RaDoTech | HeartMath |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 28 MB | 185 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [RaDoTech OU](https://appshunter.io/developer/1436916523) | [HeartMath Inc.](https://appshunter.io/developer/482739914) |

## What reviewers say

### RaDoTech

[App page](https://appshunter.io/ios/app/radotech-wellness-tracking/id1436916524)

**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 (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 RaDoTech free?

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

### Is HeartMath free?

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

### Do RaDoTech or HeartMath have ads?

Neither RaDoTech nor HeartMath shows ads.

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

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