# とけいにチャレンジ！！ vs StudyMate

The clearest difference is ads: とけいにチャレンジ！！ at none against StudyMate's shown. とけいにチャレンジ！！ also leads on iOS requirement (11.0 vs 15.0). On price, 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 | とけいにチャレンジ！！ | StudyMate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Size | 57 MB | 31 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [koichi kodama](https://appshunter.io/developer/1679265192) | [iida atsushi](https://appshunter.io/developer/1872403865) |

## What reviewers say

### とけいにチャレンジ！！

[App page](https://appshunter.io/ios/app/id6446818704)

**In-app purchases:** none


### StudyMate

[App page](https://appshunter.io/ios/app/studymate-focus-timer/id6759719432)

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

**In-app purchases:** none


## Frequently asked questions

### Is とけいにチャレンジ！！ free?

とけいにチャレンジ！！ is free to download, with no in-app purchases.

### Is StudyMate free?

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

### Do とけいにチャレンジ！！ or StudyMate have ads?

StudyMate shows ads; とけいにチャレンジ！！ does not.

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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.*