# WeROCK Official Interval Timer vs Running Interval Timer & HIIT

The clearest difference is iOS requirement: WeROCK Official Interval Timer at 15.1 against Running Interval Timer & HIIT's 17.6. 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 | WeROCK Official Interval Timer | Running Interval Timer & HIIT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 49 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WILLIAM KEITH ARTHUR](https://appshunter.io/developer/1873349360) | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) |

## What reviewers say

### WeROCK Official Interval Timer

[App page](https://appshunter.io/ios/app/werock-official-interval-timer/id6758524070)

**Features:** macOS Compatibility

**In-app purchases:** none


### Running Interval Timer & HIIT

[App page](https://appshunter.io/ios/app/running-interval-timer-and-hiit/id6760904049)

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

**In-app purchases:** none


## Frequently asked questions

### Is WeROCK Official Interval Timer free?

WeROCK Official Interval Timer is free to download, with no in-app purchases.

### Is Running Interval Timer & HIIT free?

Running Interval Timer & HIIT is free to download, with no in-app purchases.

### Do WeROCK Official Interval Timer or Running Interval Timer & HIIT have ads?

Neither WeROCK Official Interval Timer nor Running Interval Timer & HIIT 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.*