# anzan-kun — Online Speed Math Battle

> Online Speed Math Battle (iPhone/iPad app by Takashi Shigenaga.)

- Source: https://appshunter.io/ios/app/anzan-kun/id6759855636 (this page in markdown: same URL + `.md`)
- Developer: [Takashi Shigenaga](https://appshunter.io/developer/1740254360)
- Category: Education, Games, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 1 MB
- Languages: American English, Japanese
- Released: 2026-03-03
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/anzan-kun/id6759855636/reviews.md

## What is anzan?

Anzan-kun is a simple mental-math game: solve as many problems as you can in 45 seconds.
Answer fast addition and subtraction with a clean number pad, save your best score, and submit it to the Game Center online leaderboard.
Japanese / English supported.


## Version history (last 1 release)

### 1.0 — 2026-03-03

No release notes.

## More apps by Takashi Shigenaga

- [QUEST AND ARENA](https://appshunter.io/ios/app/quest-and-arena/id6483760298)
- [RETROVAULT TD](https://appshunter.io/ios/app/retrovault-td/id6758212022)
- [Good Salad](https://appshunter.io/ios/app/good-salad/id6760901189)
- [24dice](https://appshunter.io/ios/app/24dice/id6761034322)
- [イラストしりとり](https://appshunter.io/ios/app/id6761681384)

All apps by Takashi Shigenaga: https://appshunter.io/developer/1740254360

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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 2026-05-14.*