# Sisters in Motion vs HeartMath

The clearest difference is in-app purchases: Sisters in Motion at none against HeartMath's 2. Sisters in Motion also leads on device support (3 vs 1) and iOS requirement (12.3 vs 26.0). HeartMath's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 8 months). On price there is nothing between them.

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

Sisters in Motion ships an update every 8 months, HeartMath every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sisters in Motion | HeartMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (4.7K ratings)](https://appshunter.io/ios/app/heartmath/id6446414998/reviews)** |
| Number of ratings | — | **4.7K** |
| Positive reviews | — | 73.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 53 MB | 185 MB |
| Requires iOS | **12.3** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sisters in Motion LLC](https://appshunter.io/developer/1580821835) | [HeartMath Inc.](https://appshunter.io/developer/482739914) |

## What reviewers say

### Sisters in Motion

[App page](https://appshunter.io/ios/app/sisters-in-motion/id1155622615)

**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 (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 Sisters in Motion free?

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

### Is HeartMath free?

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

### Do Sisters in Motion or HeartMath have ads?

Sisters in Motion shows ads; HeartMath does not.

### Which is updated more often, Sisters in Motion or HeartMath?

Sisters in Motion ships an update every 8 months, and HeartMath every 3 weeks. Most recently, Sisters in Motion was updated on November 2, 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.*