# Time Calc. Pro — Time Calculator

> Time Calculator (iPhone/iPad app by Hiroyuki Nishijima.)

- Source: https://appshunter.io/ios/app/time-calc-pro/id1509605480 (this page in markdown: same URL + `.md`)
- Developer: [Hiroyuki Nishijima](https://appshunter.io/developer/1389796249)
- Category: Utilities, Productivity
- Price: $0.99
- Age rating: 4+
- Requires: iOS 13.4 · 2 MB
- Languages: English
- Released: 2020-04-24
- Data updated: 2026-07-08
- User reviews in markdown: https://appshunter.io/ios/app/time-calc-pro/id1509605480/reviews.md

## What is Time Calc. Pro?

A calculator that adds and subtracts hours and minutes. You can see the calculation history. You can change the key layout to look like a computer or a phone as you like. Since no advertisement is given, the history screen can be widened.


## Version history (last 3 releases)

### 1.2 — 2024-11-04

Icon Updated.

### 1.1 — 2021-08-21

Small Bug Fix.

### 1.0 — 2020-04-24

No release notes.

## Apps similar to Time Calc. Pro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TimeCalc+ Save and Load](https://appshunter.io/ios/app/timecalc-plus-save-and-load/id1140018117) | 5.0 (1) | Free | Utilities |
| [Time Duration/Add Calculator](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824) | — | Free | Utilities |
| [LeaperKim](https://appshunter.io/ios/app/leaperkim/id6466134098) | 2.9 (14) | Free | Utilities |
| [CrewLine](https://appshunter.io/ios/app/crewline/id1527048638) | 5.0 (1) | Free | Utilities |
| [Library of Aviation](https://appshunter.io/ios/app/library-of-aviation/id1574077748) | 4.8 (50) | Free | Utilities |
| [Log Time Smart Calculator](https://appshunter.io/ios/app/log-time-smart-calculator/id1160963094) | 5.0 (1) | Free | Utilities |

## More apps by Hiroyuki Nishijima

- [Time Calc.](https://appshunter.io/ios/app/time-calc/id1389796250)
- [X-Wind Tail-Wind](https://appshunter.io/ios/app/x-wind-tail-wind/id1406014326)
- [Runway Designation Numbers](https://appshunter.io/ios/app/runway-designation-numbers/id1422490904)
- [和暦変換](https://appshunter.io/ios/app/id1453666818)
- [Minimum Circle](https://appshunter.io/ios/app/minimum-circle/id1510203613)

All apps by Hiroyuki Nishijima: https://appshunter.io/developer/1389796249

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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 2026-07-08.*