Easily calculate the difference between two dates or add/subtract time units to a specific date. This tool helps determine time spans, future dates, and past deadlines with straightforward operations.


246+ iOS apps curated and reviewed
Every iPhone needs a few good date calculator pw apps. We benchmark 246+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 2.8★ (6) | — | No | Jun 2026 | ||
| 2 | Free | 3.4★ (68) | No | Yes | Sep 2026 | ||
| 3 | Free | 4.7★ (2.6K) | Yes | Yes | Sep 2026 | ||
| 4 | Free | 4.7★ (9.7K) | Yes | No | Sep 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | 4.9★ (409K) | Yes | No | Sep 2026 | ||
| 8 | Free | 4.8★ (28) | Yes | Yes | Sep 2026 |


Easily calculate the difference between two dates or add/subtract time units to a specific date. This tool helps determine time spans, future dates, and past deadlines with straightforward operations.





Calculate exact durations between times, including seconds, and account for time zone differences and DST. View results in various units and share them easily. Supports a wide year range.






Easily calculate the duration between two dates, with or without accounting for the time of day. You can also add or subtract various time units from a specific date. The results are automatically converted into multiple units for your convenience.