# Time Calculation

> Utility app for calculating time durations with history and copy functions. (iPhone/iPad app by Kei Suefuji.)

- Source: https://appshunter.io/ios/app/time-calculation/id1449412502 (this page in markdown: same URL + `.md`)
- Developer: [Kei Suefuji](https://appshunter.io/developer/1388335881)
- Category: Utilities, Productivity
- Price: $1.99
- Rating: 2.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 0 MB
- Languages: German (Germany), Italian, Japanese, French (France), Chinese (Simplified, China), Chinese (Traditional, Taiwan), American English, European Spanish, Korean
- Released: 2019-01-29
- Data updated: 2026-08-03
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/time-calculation/id1449412502/reviews.md

## What is Time Calculation?

Time Calculation is an application that makes it easy to add and subtract time.
With this application you can easily calculate hours: minutes without having to perform troublesome calculations to round up or round down minutes by yourself every 60 minutes.
You can copy the calculation result.You can also check the calculated results and the formula history.

Please input hours and minutes in the order "hour", ": (colon)", "minute".

■ "Arrow" button
You can move the cursor position when entering calculation formula. Please use it when modifying the formula.

■ "DEL" button
Delete one letter at the position of the cursor of the calculation formula you are entering. If the cursor is at the back, you can delete the previous character.

■ "AC" button
Delete all entered calculation formula and calculation result.

■ "Copy" button
When calculation is completed, a square "Copy" button is displayed to the left of the calculation result. By tapping "Copy" button, you can copy the calculation result and paste it as text data to other application.

■ "Clock" button
You can see 10 histories of calculation results and calculation formulas. When it reaches more than 10, it will be deleted from the old history. In addition, you can delete the history by tapping "Trash can button" next to each history.

## Key features

- Add and subtract hours and minutes
- Automatic minute rounding
- Copy calculation results
- View calculation history
- Formula input navigation
- Delete formula history

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/time-calculation/id1449412502/reviews.md

### 2/5 — Only works if using 24 clock

*2019-11-27*

Works as a calculator and does not calculate correctly at all unless you are using military time (24 hour clock).  Wish there was an AM/PM setting.

## Frequently asked questions about Time Calculation

### What is Time Calculation?

Time Calculation is a utility app designed to simplify adding and subtracting time in hours and minutes. It eliminates the need for manual rounding of minutes.

### How do I input time into Time Calculation?

You input time by entering hours, followed by a colon (:), and then minutes. For example, '2:30' represents 2 hours and 30 minutes.

### Can I copy my calculation results from Time Calculation?

Yes, after a calculation is completed, a 'Copy' button appears next to the result. Tapping this button allows you to copy the result as text data to paste into other applications.

### Does Time Calculation have a history of my calculations?

Yes, Time Calculation keeps a history of your last 10 calculation results and formulas. Older entries are automatically deleted when new ones are added.

### How much does Time Calculation cost?

Time Calculation is a paid application and costs $1.99. It is available for iPhone, iPad, and iPod.

### Is Time Calculation suitable for children?

Time Calculation has an age rating of 4+, making it suitable for young users. It is a straightforward utility tool.

### How often is Time Calculation updated?

The latest version, 2.1.0, was last updated on January 19, 2026. This indicates a potential for regular updates, though the provided data shows a future date.

### Does Time Calculation have ads?

No, Time Calculation does not contain advertisements. It is a paid app without any in-app purchases or ads.

## Version history (last 3 releases)

### 2.1.0 — 2026-01-19

Minor improvements.

### 2.0.0 — 2025-01-13

This update supports iOS 18.

### 1.0.1 — 2019-01-29

No release notes.

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## More apps by Kei Suefuji

- [Rotational Speed Converter](https://appshunter.io/ios/app/rotational-speed-converter/id1388335882)
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- [Torque Unit Converter](https://appshunter.io/ios/app/torque-unit-converter/id1434537031)
- [Color Scheme Designer](https://appshunter.io/ios/app/color-scheme-designer/id1435485163)

All apps by Kei Suefuji: https://appshunter.io/developer/1388335881

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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 2026-08-03.*