# iAwake® Technologies vs HRV4Biofeedback

The clearest difference is price: iAwake® Technologies at Free against HRV4Biofeedback's $9.99. iAwake® Technologies also leads on rating (4.6 vs 3.4) and review sentiment (80% vs 53%). HRV4Biofeedback's advantage is chart position (#120 vs unranked). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

iAwake® Technologies is free to download; HRV4Biofeedback costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iAwake® Technologies holds the better App Store score, 4.6 against 3.4. Both are backed by a comparable volume of ratings — 27 and 29 respectively. Written reviews point the same way: 80% of iAwake® Technologies's written reviews are positive against 53% of HRV4Biofeedback's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | iAwake® Technologies | HRV4Biofeedback |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.6 (27 ratings)](https://appshunter.io/ios/app/iawake-technologies/id1234330196/reviews)** | [3.4 (29 ratings)](https://appshunter.io/ios/app/hrv4biofeedback/id1504638613/reviews) |
| Number of ratings | 27 | **29** |
| Positive reviews | **80.0% of reviews** | 53.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#120** |
| Size | 21 MB | 138 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iAwake Technologies, LLC](https://appshunter.io/developer/1234330195) | [A.S.M.A. B.V.](https://appshunter.io/developer/1066843463) |

## What reviewers say

### iAwake® Technologies

[App page](https://appshunter.io/ios/app/iawake-technologies/id1234330196)

Enhance focus, relaxation, creativity, and meditation with innovative sound tools. This app uses brainwave entrainment technology to guide your mind into desired states, making it easier to access them repeatedly.

**Highlights:** Brainwave entrainment technology, Focus and flow enhancement, Deep relaxation and stillness, Creativity and healing sounds, Multi-layered sound entrainment strategies, Neuroplasticity support

**Features:** macOS Compatibility

**In-app purchases:** none


### HRV4Biofeedback

[App page](https://appshunter.io/ios/app/hrv4biofeedback/id1504638613)

**Currently charting:** #120 Top Paid · Lifestyle (US App Store)

This app uses your phone's camera to measure heart rate variability and provide biofeedback. It guides you through deep breathing exercises to improve self-regulation and manage stress. Track your progress and explore correlations with your daily experiences.

**Highlights:** Camera-based HRV measurement, Real-time heart rate feedback, Resonant frequency analysis, Biofeedback score, Subjective annotations, HealthKit integration, Bluetooth sensor support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iAwake® Technologies free?

iAwake® Technologies is free to download, with no in-app purchases.

### Is HRV4Biofeedback free?

HRV4Biofeedback costs $9.99, with no in-app purchases.

### Which has better reviews, iAwake® Technologies or HRV4Biofeedback?

iAwake® Technologies is rated higher. iAwake® Technologies averages 4.6 out of 5 from 27 ratings, while HRV4Biofeedback averages 3.4 from 29 ratings.

### Do iAwake® Technologies or HRV4Biofeedback have ads?

Neither iAwake® Technologies nor HRV4Biofeedback shows ads.

### Which is updated more often, iAwake® Technologies or HRV4Biofeedback?

iAwake® Technologies ships an update every 2 months, and HRV4Biofeedback every 2 months. Most recently, iAwake® Technologies was updated on August 23, 2026 and HRV4Biofeedback 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.*