# Time-Calc

> A utility app for adding and subtracting hours and minutes for flight logs. (iPhone/iPad app by Kazuyuki Saito.)

- Source: https://appshunter.io/ios/app/time-calc/id699524076 (this page in markdown: same URL + `.md`)
- Developer: [Kazuyuki Saito](https://appshunter.io/developer/699524079)
- Category: Utilities, Productivity
- Price: Free
- Rating: 3.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.6 · 1 MB
- Languages: Japanese
- Released: 2013-09-18
- Data updated: 2026-06-25
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/time-calc/id699524076/reviews.md

## What is Time?

A simple time calculator (hours + minutes) designed specifically for personal flight log calculations — it only performs addition and subtraction.
The last two digits of any entered number are automatically treated as minutes.

## Key features

- Time addition
- Time subtraction
- Automatic minute interpretation
- Personal flight log focus

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/time-calc/id699524076/reviews.md

### 5/5 — Super fast entry

*2021-03-30*

Very easy to use and does its job perfectly

### 5/5 — Best one out there

*2014-04-20*

After trying a number of time calculator apps, this one is by far the quickest and simplest for calculating flight and block times.

## Frequently asked questions about Time

### What is Time-Calc used for?

Time-Calc is designed for personal flight log calculations, specifically for adding and subtracting hours and minutes. It automatically treats the last two digits of any entered number as minutes.

### How does Time-Calc handle minutes?

The app automatically interprets the last two digits of any number entered as minutes. For example, entering '230' would be treated as 2 hours and 30 minutes.

### Can Time-Calc perform other calculations besides addition and subtraction?

No, Time-Calc is strictly limited to addition and subtraction of hours and minutes. It is a specialized tool for flight log purposes.

### What devices does Time-Calc support?

Time-Calc is available for iPhone and iPad devices.

### How often is Time-Calc updated?

The latest version, 1.5.4, was released on December 10, 2025. While the last update was recent, the app was initially released in 2013.

### What is the user rating for Time-Calc?

Time-Calc has a rating of 3.0 stars based on 2 user reviews.

### Is Time-Calc free to use?

Yes, Time-Calc is available for free and does not have any in-app purchases.

### Does Time-Calc have ads?

No, Time-Calc does not contain advertisements.

## Version history (last 5 releases)

### 1.5.4 — 2025-12-10

Small improvements and optimizations.

### 1.5.3 — 2025-12-08

History is now scrollable horizontally.

### 1.5.2 — 2025-12-06

The input history displayed at the top of the screen has been restored in this update.

### 1.5.1 — 2025-11-11

Resolved a bug affecting Japanese (JIS) keyboard users.

### 1.5 — 2025-11-05

• View your calculation history on a separate screen.
• Now supports external keyboards.

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| [EasyCal Simple Calculator](https://appshunter.io/ios/app/easycal-simple-calculator/id1241788475) | 5.0 (1) | Free | Utilities |
| [Trivigintuple Calc](https://appshunter.io/ios/app/trivigintuple-calc/id6742525963) | — | Free | Utilities |
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| [Duodecuple Calc](https://appshunter.io/ios/app/duodecuple-calc/id6742208421) | — | Free | Utilities |

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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 2026-06-25.*