# Date and Time Checker — Elapsed time calculation

> Utility app for calculating elapsed time, dates, and durations with history. (iPhone/iPad app by mitsuhiro nara.)

- Source: https://appshunter.io/ios/app/date-and-time-checker/id1495935338 (this page in markdown: same URL + `.md`)
- Developer: [mitsuhiro nara](https://appshunter.io/developer/908062910)
- Category: Utilities, Lifestyle
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 29 MB
- Languages: American English, Japanese
- Released: 2020-01-26
- Data updated: 2026-08-18
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/date-and-time-checker/id1495935338/reviews.md

## What is Date and Time Checker?

"Date and Time Checker" is an application that can easily calculate the date, number of days, time, etc.Multiple calculation formats are available for various applications.

The following calculation formats are available.

1. "End time - Start time"
2. "Specified time ± Elapsed time"
3. "End date - Start date"
4. "Specified date ± Elapsed date"


1. "End time - Start time"
Calculate the elapsed time from the start time to the end time (hour / minute / second, etc.). It is also possible to exclude any time (minutes).

2. "Specified time ± Elapsed time"
Calculate the elapsed time (later / ago) from the specified time. It is also possible to receive an alert notification at the calculated time.

3. "End date - Start date"
Calculate the elapsed days (days / weeks / months / years, etc.) from the start date to the end date. You can choose to calculate the first day as 0 day or 1 day.

4. "Specified date ± Elapsed date"
Calculate the elapsed date (later / ago) from the specified date. It is also possible to receive an alert notification on the calculated date.


You can save the calculation results and check them as a history.


【Use cases of Date and Time Checker】
・ Calculation of working hours
・ Calculation of overtime hours
・ Calculation of sleep time
・ Calculation of possible stay time
・ Calculation of work time
・ Calculation of waiting time
・ Back calculation of departure time
・ Calculation of travel time
・ Calculation of end time of abandoned game
・ Check how many days have passed since you were born
・ Calculate how many years have passed since you purchased
・etc


Use the Date and Time Checker to quickly check the cumbersome date and days calculations.

## Key features

- Calculate elapsed time (hours, minutes, seconds)
- Calculate elapsed dates (days, weeks, months, years)
- Add or subtract time/dates
- Set alert notifications for calculated times/dates
- Save calculation results as history
- Option to include/exclude first day in date calculations

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |
| Export to File | $3.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/date-and-time-checker/id1495935338/reviews.md

### 5/5 — Great

*2024-09-25*

One of the few apps that does exactly what it says.

## Frequently asked questions about Date and Time Checker

### What is Date and Time Checker used for?

Date and Time Checker is a utility app designed to help users easily calculate elapsed time, dates, and durations. It offers multiple calculation formats for various applications, such as tracking working hours, travel time, or significant life events.

### Does Date and Time Checker have ads?

Yes, Date and Time Checker contains advertisements. As a free application with in-app purchases, ads are displayed to support its continued development and availability.

### What calculation formats are available in Date and Time Checker?

Date and Time Checker supports four main calculation formats: 'End time - Start time', 'Specified time ± Elapsed time', 'End date - Start date', and 'Specified date ± Elapsed date'. These allow for comprehensive time and date arithmetic.

### Can I save my calculations with Date and Time Checker?

Yes, you can save your calculation results as a history within Date and Time Checker. This feature allows you to easily revisit and refer to past calculations without needing to re-enter the data.

### Does Date and Time Checker offer notifications?

Yes, Date and Time Checker can provide alert notifications for calculated times or dates. This is particularly useful when calculating future events or deadlines.

### What devices is Date and Time Checker compatible with?

Date and Time Checker is currently supported on iPhones. The app is designed to run on iOS devices.

### How often is Date and Time Checker updated?

The latest version of Date and Time Checker is 2.0, and it was last updated on February 10, 2026. This indicates a recent update, suggesting the app is actively maintained.

### What is the age rating for Date and Time Checker?

Date and Time Checker has an age rating of 4+. This means it is considered suitable for children aged 4 and above, with no mature content.

## Version history (last 5 releases)

### 2.1 — 2026-05-27

・Internal improvements

### 2.0 — 2026-02-10

・Support for iOS 26
・End of support for iOS 15
・Library updates

### 1.18 — 2025-08-14

・End of support for iOS 14
・Library Update
・Minor bug fixes

### 1.17 — 2025-04-02

・Minor bug fixes
・Library Update
・Improved some UI elements

### 1.16 — 2023-11-17

・End of support for iOS 13
・Minor bug fixes and performance improvements
・GDPR compliance in some regions

## Apps similar to Date and Time Checker

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Hours Tracker: Time Calculator](https://appshunter.io/ios/app/hours-tracker-time-calculator/id1468092377) | 4.7 (80,581) | Free | Utilities |
| [Time Calculator - Work Hours](https://appshunter.io/ios/app/time-calculator-work-hours/id565039079) | 4.7 (2,819) | Free | Utilities |
| [Hours Tracker: TimePal](https://appshunter.io/ios/app/hours-tracker-timepal/id6443437437) | 4.6 (46) | Free | Utilities |
| [Work Hours Calculator](https://appshunter.io/ios/app/work-hours-calculator/id1644554489) | 4.7 (661) | Free | Utilities |
| [Wage Calculator- Hours Tracker](https://appshunter.io/ios/app/wage-calculator-hours-tracker/id1439328786) | 4.7 (106) | Free | Utilities |
| [Hours Tracker - Work Time Hour](https://appshunter.io/ios/app/hours-tracker-work-time-hour/id6499424981) | 5.0 (28) | Free | Utilities |

## More apps by mitsuhiro nara

- [Mizu Nomuo - water tracking](https://appshunter.io/ios/app/mizu-nomuo-water-tracking/id908062907)
- [NyanPass - cat data management](https://appshunter.io/ios/app/nyanpass-cat-data-management/id980579005)
- [WanPass - dog data management](https://appshunter.io/ios/app/wanpass-dog-data-management/id982441002)
- [Count Suruo - days count](https://appshunter.io/ios/app/count-suruo-days-count/id998436982)
- [Sound Party- Tap & Play Sounds](https://appshunter.io/ios/app/sound-party-tap-and-play-sounds/id1033530278)
- [Learn Japanese : Maid-In-Voice](https://appshunter.io/ios/app/learn-japanese-maid-in-voice/id1076069721)

All apps by mitsuhiro nara: https://appshunter.io/developer/908062910

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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 2026-08-18.*