# HeartMath vs Lets Integrate

The clearest difference is in-app purchases: Lets Integrate at none against HeartMath's 5. Lets Integrate also leads on review sentiment (100% vs 74%) and iOS requirement (15.1 vs 26.0). HeartMath's advantage is ratings volume (4.6K vs 4) and update cadence (every 3 weeks vs every 3 months). On price, rating, 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. Lets Integrate asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for HeartMath against 5.0 for Lets Integrate. That said, the two scores are not equally well evidenced: HeartMath has 4.6K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 74% of HeartMath's written reviews are positive against 100% of Lets Integrate's.

HeartMath ships an update every 3 weeks, Lets Integrate every 3 months. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | HeartMath | Lets Integrate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (4.6K ratings)](https://appshunter.io/ios/app/heartmath/id6446414998/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lets-integrate/id6739889288/reviews)** |
| Number of ratings | **4.6K** | 4 |
| Positive reviews | 73.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Freemium | **Free** |
| Size | 185 MB | 86 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HeartMath Inc.](https://appshunter.io/developer/482739914) | [Spotbee, Inc.](https://appshunter.io/developer/1465231993) |

## 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


### Lets Integrate

[App page](https://appshunter.io/ios/app/lets-integrate/id6739889288)

This app offers tools for business and wellness professionals to build resilient spaces. It teaches skills like human-centered communication and emotional intelligence, incorporating trauma-informed yoga and mindfulness for personal and professional growth.

**Highlights:** Human-centered communication skills, Trauma-informed decision-making, Self-leadership development, Emotional intelligence enhancement, Critical thinking exercises, Trauma-informed yoga and mindfulness

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is HeartMath free?

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

### Is Lets Integrate free?

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

### Which has better reviews, HeartMath or Lets Integrate?

Lets Integrate is rated higher. HeartMath averages 4.9 out of 5 from 4.6K ratings, while Lets Integrate averages 5.0 from 4 ratings.

### Do HeartMath or Lets Integrate have ads?

Neither HeartMath nor Lets Integrate shows ads.

### Which is updated more often, HeartMath or Lets Integrate?

HeartMath ships an update every 3 weeks, and Lets Integrate every 3 months. Most recently, HeartMath was updated on October 11, 2026 and Lets Integrate on October 4, 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.*