# 10 Sec Challenge-SurpriseTimer — Fail and be surprised...

> Fail and be surprised... (iPhone/iPad app by Yudai Nishikawa.)

- Source: https://appshunter.io/ios/app/10-sec-challenge-surprisetimer/id6743366168 (this page in markdown: same URL + `.md`)
- Developer: [Yudai Nishikawa](https://appshunter.io/developer/1745960087)
- Category: Games, Entertainment, Casual, Family
- Price: Free
- Age rating: 12+
- Requires: iOS 12.0 · 33 MB
- Languages: American English
- Released: 2025-03-25
- Data updated: 2026-08-19
- User reviews in markdown: https://appshunter.io/ios/app/10-sec-challenge-surprisetimer/id6743366168/reviews.md

## What is 10 Sec Challenge?

10 Sec Challenge-Surprise Timer
Press START, count 10 seconds mentally, press STOP. That's it!
Outcomes

Success: Cute rewards
Failure: Shocking surprises

Perfect For

Waiting for transport
Short breaks
Party games with friends
Stress relief
Improving time perception

Can you hit exactly 10 seconds? Download now!


## Version history (last 1 release)

### 1.0 — 2025-03-25

No release notes.

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## More apps by Yudai Nishikawa

- [Poker Hand Note - Hand Histroy](https://appshunter.io/ios/app/poker-hand-note-hand-histroy/id6502577809)
- [Recipe Storage - RepiRepi](https://appshunter.io/ios/app/recipe-storage-repirepi/id6740173342)
- [Coordinates Note for Minecraft](https://appshunter.io/ios/app/coordinates-note-for-minecraft/id6746953020)

All apps by Yudai Nishikawa: https://appshunter.io/developer/1745960087

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*