# HeartMath vs RLT SYSTEM

The clearest difference is review sentiment: HeartMath at 73% against RLT SYSTEM's 0%. HeartMath also leads on rating (4.9 vs 3.0) and ratings volume (4.6K vs 2). RLT SYSTEM's advantage is in-app purchases (none vs 5) and iOS requirement (11.0 vs 26.0). 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. RLT SYSTEM asks for nothing beyond the download.

HeartMath holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: HeartMath has 4.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of HeartMath's written reviews are positive against 0% of RLT SYSTEM's.

## The numbers

| Metric | HeartMath | RLT SYSTEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (4.6K ratings)](https://appshunter.io/ios/app/heartmath/id6446414998/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/rlt-system/id6448385441/reviews) |
| Number of ratings | **4.6K** | 2 |
| Positive reviews | **73.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Freemium | **Free** |
| Size | 185 MB | 13 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HeartMath Inc.](https://appshunter.io/developer/482739914) | [中玲 曹](https://appshunter.io/developer/1682161709) |

## 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


### RLT SYSTEM

[App page](https://appshunter.io/ios/app/rlt-system/id6448385441)

Control smart lamps within a 5-meter radius using Bluetooth broadcast signals. Adjust on/off status, brightness, runtime, and pulse frequency. The system executes the last received command when multiple apps are connected.

**Highlights:** Bluetooth broadcast signal control, Lamp on/off functionality, Brightness adjustment, Runtime setting, Pulse frequency control, Last command execution

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeartMath free?

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

### Is RLT SYSTEM free?

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

### Which has better reviews, HeartMath or RLT SYSTEM?

HeartMath is rated higher. HeartMath averages 4.9 out of 5 from 4.6K ratings, while RLT SYSTEM averages 3.0 from 2 ratings.

### Do HeartMath or RLT SYSTEM have ads?

Neither HeartMath nor RLT SYSTEM shows ads.

---

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