# 10 Sec Challenge vs 10秒当てゲーム

10 Sec Challenge and 10秒当てゲーム are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 10 Sec Challenge | 10秒当てゲーム |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 5 days |
| Size | 33 MB | 20 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Yudai Nishikawa](https://appshunter.io/developer/1745960087) | [Atsushi Isai](https://appshunter.io/developer/1881655484) |

## What reviewers say

### 10 Sec Challenge

[App page](https://appshunter.io/ios/app/10-sec-challenge-surprisetimer/id6743366168)

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

**In-app purchases:** none


### 10秒当てゲーム

[App page](https://appshunter.io/ios/app/10/id6770584526)

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

**In-app purchases:** none


## Frequently asked questions

### Is 10 Sec Challenge free?

10 Sec Challenge is free to download, with no in-app purchases.

### Is 10秒当てゲーム free?

10秒当てゲーム is free to download, with no in-app purchases.

### Do 10 Sec Challenge or 10秒当てゲーム have ads?

Both 10 Sec Challenge and 10秒当てゲーム show 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.*