# Running Interval Timer & HIIT vs KesselRUN Running

The clearest difference is iOS requirement: KesselRUN Running 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 | Running Interval Timer & HIIT | KesselRUN Running |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 3 MB | 33 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) | [ThreeLees LLC](https://appshunter.io/developer/6778656941) |

## What reviewers say

### 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


### KesselRUN Running

[App page](https://appshunter.io/ios/app/kesselrun-running/id6781022500)

**In-app purchases:** none


## Frequently asked questions

### Is Running Interval Timer & HIIT free?

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

### Is KesselRUN Running free?

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

### Do Running Interval Timer & HIIT or KesselRUN Running have ads?

Neither Running Interval Timer & HIIT nor KesselRUN Running 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.*