# Chess Clock MaruMieruTimer vs ONE

The clearest difference is iOS requirement: Chess Clock MaruMieruTimer at 13.0 against ONE's 17.0. On price and in-app purchases 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 | Chess Clock MaruMieruTimer | ONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 145 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [tomokazu akiduki](https://appshunter.io/developer/1712451638) | [骋飞 武](https://appshunter.io/developer/6775319022) |

## What reviewers say

### Chess Clock MaruMieruTimer

[App page](https://appshunter.io/ios/app/chess-clock-marumierutimer/id6753583650)

**In-app purchases:** none


### ONE

[App page](https://appshunter.io/ios/app/one-focus-deep-life-timer/id6777599934)

**In-app purchases:** none


## Frequently asked questions

### Is Chess Clock MaruMieruTimer free?

Chess Clock MaruMieruTimer is free to download, with no in-app purchases.

### Is ONE free?

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

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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.*