# TimeCalculation

> TimeCalculation (iPhone/iPad app by Katsuhiko Yao.)

- Source: https://appshunter.io/ios/app/timecalculation/id6461114972 (this page in markdown: same URL + `.md`)
- Developer: [Katsuhiko Yao](https://appshunter.io/developer/1543188534)
- Category: Lifestyle, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 5 MB
- Languages: American English
- Released: 2023-08-16
- Data updated: 2026-08-21
- User reviews in markdown: https://appshunter.io/ios/app/timecalculation/id6461114972/reviews.md

## What is TimeCalculation?

開始時間と終了時間を電卓感覚で入力。所要時間を一発表示。時間表示・分表示に対応。


## Version history (last 5 releases)

### 1.0.7 — 2024-12-28

一部の機能改善

### 1.0.6 — 2023-10-17

一部の機能改善

### 1.0.5 — 2023-10-06

一部の機能変更

### 1.0.4 — 2023-10-05

一部の機能改善

### 1.0.3 — 2023-08-22

現在時刻を入力するボタンを追加

## More apps by Katsuhiko Yao

- [QuickAge](https://appshunter.io/ios/app/quickage/id1545922757)
- [QuickCheck3](https://appshunter.io/ios/app/quickcheck3/id1566831890)
- [AddToMinusX](https://appshunter.io/ios/app/addtominusx/id6443640661)
- [Multiply Pairs – Mental Math](https://appshunter.io/ios/app/multiply-pairs-mental-math/id6448858474)
- [Power of 2](https://appshunter.io/ios/app/power-of-2/id6450391335)
- [Neg Multiply – Brain Training](https://appshunter.io/ios/app/neg-multiply-brain-training/id6450744705)

All apps by Katsuhiko Yao: https://appshunter.io/developer/1543188534

---

*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 2026-08-21.*