250+ iOS apps curated and reviewed
Out of 250+ 365 days calendar apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 | |
| 2 |  | $1.99 | 4.7★ (26) | No | No | Aug 2026 | |
| 3 |  | Free | 4.9★ (1.5M) | No | No | Oct 2026 | |
| 4 |  | Free | 4.7★ (68K) | No | No | Oct 2026 | |
| 5 |  | Free | 2.9★ (51) | No | Yes | May 2026 | |
| 6 |  | Free | — | Yes | No | Aug 2026 | |
| 7 |  | Free | — | — | No | Jul 2026 | |
| 8 |  | $4.99 | 1.0★ (1) | No | No | Oct 2026 |
This utility app converts between Julian and Gregorian dates and tracks Julian Day Numbers. It's designed for users in fields like astronomy, military operations, and historical research who need precise date management for daily operations.
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.
