# PROATHLON vs Square One Gym

The clearest difference is ads: PROATHLON at none against Square One Gym's shown. Square One Gym's advantage is iOS requirement (14.0 vs 16.0). On price, update cadence, 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.

PROATHLON ships an update every 5 weeks, Square One Gym every 6 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PROATHLON | Square One Gym |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Size | 191 MB | 123 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Proathlon Training Limited](https://appshunter.io/developer/1491357835) | [Square One Gym LTD](https://appshunter.io/developer/1572517301) |

## What reviewers say

### PROATHLON

[App page](https://appshunter.io/ios/app/proathlon/id1491357836)

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

**In-app purchases:** none


### Square One Gym

[App page](https://appshunter.io/ios/app/square-one-gym/id6743192080)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is PROATHLON free?

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

### Is Square One Gym free?

Square One Gym is free to download, with no in-app purchases.

### Do PROATHLON or Square One Gym have ads?

Square One Gym shows ads; PROATHLON does not.

### Which is updated more often, PROATHLON or Square One Gym?

PROATHLON ships an update every 5 weeks, and Square One Gym every 6 weeks. Most recently, PROATHLON was updated on October 14, 2026 and Square One Gym on October 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.*