# SelfLoops HRV vs LifeTec

The clearest difference is in-app purchases: LifeTec at none against SelfLoops HRV's 1. LifeTec also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (11.0 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. LifeTec asks for nothing beyond the download.

SelfLoops HRV ships an update every 4 months, LifeTec every 2 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | SelfLoops HRV | LifeTec |
| --- | --- | --- |
| 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 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 76 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SelfLoops](https://appshunter.io/developer/911739721) | [LIFE TEC BALANCE LTD](https://appshunter.io/developer/1495306665) |

## 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 |


### LifeTec

[App page](https://appshunter.io/ios/app/lifetec/id1495306666)

**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 LifeTec free?

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

### Do SelfLoops HRV or LifeTec have ads?

Neither SelfLoops HRV nor LifeTec shows ads.

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

SelfLoops HRV ships an update every 4 months, and LifeTec every 2 months. Most recently, SelfLoops HRV was updated on November 1, 2026 and LifeTec on November 7, 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.*