# SelfLoops HRV vs TopSpin360

The clearest difference is in-app purchases: TopSpin360 at none against SelfLoops HRV's 1. TopSpin360 also leads on iOS requirement (15.0 vs 18.0). SelfLoops HRV's advantage is update cadence (every 4 months vs every 11 months). 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. TopSpin360 asks for nothing beyond the download.

SelfLoops HRV ships an update every 4 months, TopSpin360 every 11 months. The most recent releases landed on June 5, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | SelfLoops HRV | TopSpin360 |
| --- | --- | --- |
| 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 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 86 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SELFLOOPS SNC DI DEL ROSSO CHRISTIAN E RIBICHINI PIERO](https://appshunter.io/developer/911739721) | [TopSpin Technologies](https://appshunter.io/developer/1281507773) |

## 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 |


### TopSpin360

[App page](https://appshunter.io/ios/app/topspin360/id1281507774)

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

**In-app purchases:** none


## Frequently asked questions

### Is SelfLoops HRV free?

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

### Is TopSpin360 free?

TopSpin360 is free to download, with no in-app purchases.

### Do SelfLoops HRV or TopSpin360 have ads?

Neither SelfLoops HRV nor TopSpin360 shows ads.

### Which is updated more often, SelfLoops HRV or TopSpin360?

SelfLoops HRV ships an update every 4 months, and TopSpin360 every 11 months. Most recently, SelfLoops HRV was updated on June 5, 2026 and TopSpin360 on September 5, 2026.

---

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