# Time Calc. — Addition and Subtraction

> Calculator for adding and subtracting hours and minutes with history. (iPhone/iPad app by Hiroyuki Nishijima.)

- Source: https://appshunter.io/ios/app/time-calc/id1389796250 (this page in markdown: same URL + `.md`)
- Developer: [Hiroyuki Nishijima](https://appshunter.io/developer/1389796249)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.50/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 21 MB
- Languages: American English
- Released: 2018-06-25
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/time-calc/id1389796250/reviews.md

## What is Time Calc.?

This calculator can add or subtract hours and minutes. You can also see the history you entered.

## Key features

- Add hours and minutes
- Subtract hours and minutes
- Calculation history
- Simple interface

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/time-calc/id1389796250/reviews.md

### 4/5 — Needs 12 hour clock

*2020-09-29*

It would be fine except that it uses a 24 hour clock so I have to convert the time. It’s not a big deal but that’s why I’m not giving it a five star rating

## Frequently asked questions about Time Calc.

### What can Time Calc. do?

Time Calc. allows you to add and subtract hours and minutes. It also provides a history of your entered calculations for easy reference.

### Is Time Calc. free to use?

Yes, Time Calc. is completely free to download and use. There are no in-app purchases or subscription fees.

### Does Time Calc. have ads?

No, Time Calc. does not contain any advertisements, providing an uninterrupted user experience.

### What devices is Time Calc. available on?

Time Calc. is available on iPhone, iPad, and iPod touch devices.

### How often is Time Calc. updated?

The latest version of Time Calc. is 1.6, last updated on April 3, 2020. Updates are not frequent, but the app is stable.

### What is the age rating for Time Calc.?

Time Calc. has an age rating of 4+, making it suitable for young children and general use.

### What do users like about Time Calc.?

Based on its 4.5-star rating from 2 reviews, users likely appreciate its simplicity and core functionality for time calculations.

## Version history (last 5 releases)

### 1.6 — 2020-04-03

Support Dark Mode.

### 1.5 — 2018-09-13

"00" key added.

### 1.4.1 — 2018-07-26

Change icon

### 1.4 — 2018-07-12

Improved for iOS 10.0 or later.
iPhone will inform you with vibration when input errors occur.

### 1.3.2 — 2018-07-08

Drawing method improvement.

## Apps similar to Time Calc.

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Time-Calc](https://appshunter.io/ios/app/time-calc/id699524076) | 3.0 (2) | Free | Utilities |
| [PilotCalc](https://appshunter.io/ios/app/pilotcalc/id1536911640) | 4.9 (8) | Free | Utilities |
| [Hours Minutes Calculate](https://appshunter.io/ios/app/hours-minutes-calculate/id6514329340) | — | Free | Utilities |
| [Pilot Kit - Aviation Toolkit](https://appshunter.io/ios/app/pilot-kit-aviation-toolkit/id6749793975) | 5.0 (1) | Free | Utilities |
| [Hours - Time Calculator](https://appshunter.io/ios/app/hours-time-calculator/id6744637801) | — | Free | Utilities |
| [Time Calculator: Add, Subtract](https://appshunter.io/ios/app/time-calculator-add-subtract/id1583726955) | 4.6 (165) | Free | Utilities |

## More apps by Hiroyuki Nishijima

- [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)
- [Time Calc. Pro](https://appshunter.io/ios/app/time-calc-pro/id1509605480)
- [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 2026-06-01.*