# Date and time calc vs Date and Time Checker

The clearest difference is review sentiment: Date and Time Checker at 100% against Date and time calc's 29%. Date and Time Checker also leads on update cadence (every 3 months vs every 11 months). Date and time calc's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Date and Time Checker sells 2 one-off in-app purchases. Date and time calc asks for nothing beyond the download.

Date and time calc ships an update every 11 months, Date and Time Checker every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Date and time calc | Date and Time Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/date-and-time-checker/id1495935338/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 28.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 29 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Osamu Ishigami](https://appshunter.io/developer/901265058) | [mitsuhiro nara](https://appshunter.io/developer/908062910) |

## What reviewers say

### Date and time calc

[App page](https://appshunter.io/ios/app/date-and-time-calc/id949261920)

Easily calculate the difference between dates or add/subtract time intervals. This utility app simplifies date and time arithmetic with straightforward operations.

**Highlights:** Date difference calculation, Date addition and subtraction, Time difference calculation, Time addition and subtraction

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Date and Time Checker

[App page](https://appshunter.io/ios/app/date-and-time-checker/id1495935338)

Easily calculate elapsed time, dates, and durations with multiple calculation formats. Save your results as a history for quick reference. Ideal for tracking work hours, travel time, or significant dates.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

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


## Frequently asked questions

### Is Date and time calc free?

Date and time calc is free to download, with no in-app purchases.

### Is Date and Time Checker free?

Date and Time Checker is free to download, with in-app purchases available.

### Do Date and time calc or Date and Time Checker have ads?

Both Date and time calc and Date and Time Checker show ads.

### Which is updated more often, Date and time calc or Date and Time Checker?

Date and time calc ships an update every 11 months, and Date and Time Checker every 3 months. Most recently, Date and time calc was updated on November 1, 2026 and Date and Time Checker on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*