# SelfLoops HRV vs Mauna

The clearest difference is in-app purchases: Mauna at none against SelfLoops HRV's 1. Mauna also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. SelfLoops HRV sells 1 one-off in-app purchase. Mauna asks for nothing beyond the download.

SelfLoops HRV ships an update every 4 months, Mauna every 3 weeks. Both last shipped on October 11, 2026.

## The numbers

| Metric | SelfLoops HRV | Mauna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/selfloops-hrv/id921130546/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 57 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [SelfLoops](https://appshunter.io/developer/911739721) | [Oscar Stubler](https://appshunter.io/developer/1707367897) |

## What reviewers say

### SelfLoops HRV

[App page](https://appshunter.io/ios/app/selfloops-hrv/id921130546)

This app measures and analyzes heart rate variability (HRV) using Bluetooth heart rate monitors. It helps users track recovery, stress, and training readiness to optimize performance. Advanced metrics are provided for sports science and research applications.

**Highlights:** Accurate HRV measurement, Daily recovery & readiness tracking, Clear trend monitoring, Intuitive interface, Bluetooth heart rate monitor compatible, Sports science metrics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HRV premium | $3.99 | one-time |


### Mauna

[App page](https://appshunter.io/ios/app/mauna/id6466425252)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SelfLoops HRV free?

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

### Is Mauna free?

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

### Do SelfLoops HRV or Mauna have ads?

Neither SelfLoops HRV nor Mauna shows ads.

### Which is updated more often, SelfLoops HRV or Mauna?

SelfLoops HRV ships an update every 4 months, and Mauna every 3 weeks. Most recently, SelfLoops HRV was updated on October 11, 2026 and Mauna on October 11, 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.*