# Gym Timer Pro vs SO

The clearest difference is iOS requirement: Gym Timer Pro at 16.0 against SO's 18.0. 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.

## The numbers

| Metric | Gym Timer Pro | SO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 2 MB | 1 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ashton McHardy](https://appshunter.io/developer/1827861021) | [Steven Orley](https://appshunter.io/developer/1896742971) |

## What reviewers say

### Gym Timer Pro

[App page](https://appshunter.io/ios/app/gym-timer-pro-circuit-and-hiit/id6748891961)

**In-app purchases:** none


### SO

[App page](https://appshunter.io/ios/app/sotimer/id6776007307)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gym Timer Pro free?

Gym Timer Pro is free to download, with no in-app purchases.

### Is SO free?

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

### Do Gym Timer Pro or SO have ads?

Neither Gym Timer Pro nor SO shows ads.

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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.*