# HRV4Biofeedback vs Miluklub

The clearest difference is price: Miluklub at Free against HRV4Biofeedback's $9.99. Miluklub also leads on iOS requirement (13.0 vs 15.6). HRV4Biofeedback's advantage is chart position (#97 vs unranked) and review sentiment (53% vs 44%). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

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

HRV4Biofeedback ships an update every 2 months, Miluklub every 4 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HRV4Biofeedback | Miluklub |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.4 (30 ratings)](https://appshunter.io/ios/app/hrv4biofeedback/id1504638613/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | **53.1% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Best chart rank | **#97** | — |
| Size | 138 MB | 61 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A.S.M.A. B.V.](https://appshunter.io/developer/1066843463) | [4D Soft Kft](https://appshunter.io/developer/1765271471) |

## What reviewers say

### HRV4Biofeedback

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

**Currently charting:** #97 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


### Miluklub

[App page](https://appshunter.io/ios/app/miluklub/id1572279580)

This app supports parents from conception through their child's third year with expert advice, community forums, and personalized guidance. It offers tools like calculators and journaling to help navigate the challenges of early parenthood.

**Highlights:** Expert advice, Community forums, Personalized guidance, Pregnancy and child calculators, Journaling features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HRV4Biofeedback free?

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

### Is Miluklub free?

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

### Do HRV4Biofeedback or Miluklub have ads?

Neither HRV4Biofeedback nor Miluklub shows ads.

### Which is updated more often, HRV4Biofeedback or Miluklub?

HRV4Biofeedback ships an update every 2 months, and Miluklub every 4 months. Most recently, HRV4Biofeedback was updated on November 11, 2026 and Miluklub 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.*