# StrengthlabLDN vs AthleteOS

The clearest difference is update cadence: AthleteOS at every 4 days against StrengthlabLDN's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

StrengthlabLDN ships an update every 3 months, AthleteOS every 4 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | StrengthlabLDN | AthleteOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 84 MB | 228 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SD Performance LTD](https://appshunter.io/developer/1832736527) | [MESAN DIGITAL VENTURES LTD](https://appshunter.io/developer/904821818) |

## What reviewers say

### StrengthlabLDN

[App page](https://appshunter.io/ios/app/strengthlabldn/id6749900485)

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

**In-app purchases:** none


### AthleteOS

[App page](https://appshunter.io/ios/app/athleteos/id6757597790)

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

**In-app purchases:** none


## Frequently asked questions

### Is StrengthlabLDN free?

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

### Is AthleteOS free?

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

### Do StrengthlabLDN or AthleteOS have ads?

Neither StrengthlabLDN nor AthleteOS shows ads.

### Which is updated more often, StrengthlabLDN or AthleteOS?

StrengthlabLDN ships an update every 3 months, and AthleteOS every 4 days. Most recently, StrengthlabLDN was updated on October 12, 2026 and AthleteOS on October 15, 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.*