Master the 'Human Calendar' trick to mentally calculate the day of the week for any date. This app offers tutorials, guided practice, and training games to help you learn and perfect this skill.






250+ iOS apps curated and reviewed
Looking for free weekdaywidget apps? 19 of our 250+ 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 | 5.0★ (10) | No | No | Jun 2026 | ||
| 2 | Free | 4.3★ (7K) | No | No | Nov 2026 | ||
| 3 | Free | — | No | Yes | Jul 2026 | ||
| 4 | Free | — | No | No | Oct 2026 | ||
| 5 | Free | 5.0★ (2) | No | Yes | Oct 2026 | ||
| 6 | Free | 1.0★ (1) | No | Yes | Oct 2026 | ||
| 7 | Free | — | No | Yes | Sep 2026 | ||
| 8 | Free | 2.0★ (3) | No | Yes | May 2026 |






Master the 'Human Calendar' trick to mentally calculate the day of the week for any date. This app offers tutorials, guided practice, and training games to help you learn and perfect this skill.






Organize your personal and work tasks with a visual, flexible system. Capture ideas, manage to-do lists, and plan your day with customizable boards and reminders. Integrates with calendars and other work apps for a streamlined workflow.

