# Date Time Calculator vs Tap When

The clearest difference is price: Date Time Calculator at Free against Tap When's $0.99. Date Time Calculator also leads on ratings volume (7 vs 1). Tap When's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs fortnightly). On rating, ads, device support and iOS requirement there is nothing between them.

Date Time Calculator is free to download; Tap When costs $0.99 up front. Date Time Calculator sells 3 one-off in-app purchases. Tap When asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Date Time Calculator against 5.0 for Tap When. That said, the two scores are not equally well evidenced: Date Time Calculator has 7 ratings behind it against 1, so its average is the more settled of the two.

Date Time Calculator ships an update fortnightly, Tap When every 2 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Date Time Calculator | Tap When |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/date-time-calculator-tickr/id6469073541/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tap-when/id6529547136/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | **Free** | Paid |
| Size | 5 MB | 0 MB |
| Requires iOS | 17.6 | **17.5** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [S Ravi Shankar](https://appshunter.io/developer/516903373) | [骏飞 潘](https://appshunter.io/developer/1756436756) |

## What reviewers say

### Date Time Calculator

[App page](https://appshunter.io/ios/app/date-time-calculator-tickr/id6469073541)

Calculate the precise difference between two dates and times, down to the millisecond. Offers detailed breakdowns including days, hours, minutes, and seconds, with options to view weekdays or weekends only. Share your results easily with a clean, adaptable interface.

**Highlights:** Intuitive date and time setting, Calculate days, months, years, Detailed hour, minute, second, millisecond counts, Weekday and weekend specific calculations, One-tap result sharing, Light and dark mode options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip - Support Date Diff | $0.99 | one-time |
| Medium Tip - Support Date Diff | $2.99 | one-time |
| Big Tip - Support Date Diff | $4.99 | one-time |


### Tap When

[App page](https://appshunter.io/ios/app/tap-when/id6529547136)

This app helps you organize by tracking important events. It's useful for timing activities like workouts or counting occurrences such as daily habits. The intuitive design makes logging and managing events simple.

**Highlights:** Log duration-based events, Count event occurrences, Customizable event names, Intuitive logging interface, Event management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Date Time Calculator free?

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

### Is Tap When free?

Tap When costs $0.99, with no in-app purchases.

### Which has better reviews, Date Time Calculator or Tap When?

Date Time Calculator and Tap When are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Date Time Calculator or Tap When have ads?

Neither Date Time Calculator nor Tap When shows ads.

### Which is updated more often, Date Time Calculator or Tap When?

Date Time Calculator ships an update fortnightly, and Tap When every 2 days. Most recently, Date Time Calculator was updated on October 6, 2026 and Tap When on October 10, 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.*