# HeartMath vs Unsit Treadmill by InMovement

The clearest difference is review sentiment: HeartMath at 74% against Unsit Treadmill by InMovement's 19%. HeartMath also leads on rating (4.9 vs 3.7) and ratings volume (4.7K vs 6). Unsit Treadmill by InMovement's advantage is in-app purchases (none vs 5) and iOS requirement (15.1 vs 26.0). On price, update cadence, 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. Unsit Treadmill by InMovement asks for nothing beyond the download.

HeartMath holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: HeartMath has 4.7K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 74% of HeartMath's written reviews are positive against 19% of Unsit Treadmill by InMovement's.

HeartMath ships an update every 3 weeks, Unsit Treadmill by InMovement fortnightly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HeartMath | Unsit Treadmill by InMovement |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (4.7K ratings)](https://appshunter.io/ios/app/heartmath/id6446414998/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/unsit-treadmill-by-inmovement/id6529536032/reviews) |
| Number of ratings | **4.7K** | 6 |
| Positive reviews | **73.8% of reviews** | 19.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Freemium | **Free** |
| Size | 185 MB | 38 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HeartMath Inc.](https://appshunter.io/developer/482739914) | [InMovement](https://appshunter.io/developer/1866023977) |

## 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


### Unsit Treadmill by InMovement

[App page](https://appshunter.io/ios/app/unsit-treadmill-by-inmovement/id6529536032)

Track your walking progress in real-time while you work with this companion app for a specific treadmill desk. It monitors steps, distance, calories, time, and speed, syncing seamlessly via Bluetooth. View live activity and integrate with Apple Health and Fitbit for comprehensive fitness tracking.

**Highlights:** Real-time walking metrics (steps, distance, calories, time, speed), Seamless Bluetooth connection, Live Activity and Dynamic Island support, Apple Health and Fitbit integration, Background tracking, Personalized daily goals, History and trends analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is HeartMath free?

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

### Is Unsit Treadmill by InMovement free?

Unsit Treadmill by InMovement is free to download, with no in-app purchases.

### Which has better reviews, HeartMath or Unsit Treadmill by InMovement?

HeartMath is rated higher. HeartMath averages 4.9 out of 5 from 4.7K ratings, while Unsit Treadmill by InMovement averages 3.7 from 6 ratings.

### Do HeartMath or Unsit Treadmill by InMovement have ads?

Neither HeartMath nor Unsit Treadmill by InMovement shows ads.

### Which is updated more often, HeartMath or Unsit Treadmill by InMovement?

HeartMath ships an update every 3 weeks, and Unsit Treadmill by InMovement fortnightly. Most recently, HeartMath was updated on October 30, 2026 and Unsit Treadmill by InMovement on October 25, 2026.

---

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