248+ iOS apps curated and reviewed
Looking for free date calendar calculator apps? 18 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (29) | Yes | Yes | Aug 2026 | |
| 2 |  | Free | 4.7★ (9.7K) | Yes | No | Oct 2026 | |
| 3 |  | Free | 4.9★ (1.5M) | No | No | Oct 2026 | |
| 4 |  | Free | 4.5★ (131) | No | Yes | Oct 2026 | |
| 5 |  | Free | 3.4★ (68) | No | Yes | Sep 2026 | |
| 6 |  | Free | — | Yes | No | May 2026 | |
| 7 |  | Free | 1.0★ (1) | No | No | Sep 2026 | |
| 8 |  | Free | 4.7★ (2.9K) | No | Yes | Oct 2026 |
This app helps you calculate date and time durations, add or subtract time from dates, and determine working days. It also converts between calendars and time zones, and estimates ovulation and pregnancy due dates. The design is simple and intuitive.
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.
Organize your entire schedule in one place. View events from multiple accounts, manage tasks, and plan gatherings with others. Stay on top of appointments, holidays, and birthdays with customizable views and shared calendars.
