248+ iOS apps curated and reviewed
The best the date calculator pro apps on iPhone average 4.6★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (2.6K) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 3.4★ (68) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.7★ (9.7K) | Yes | No | Oct 2026 | |
| 4 |  | $0.99 | 4.8★ (947) | No | No | Oct 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | Free | 4.9★ (409K) | Yes | No | Oct 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
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.
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.
Calculate the exact number of days, hours, and seconds between any two dates. This tool also allows you to find the date before or after a specified period, making it useful for tracking deadlines, events, or financial products.
