Weeklet – Week Number
Hiroaki Matsuno Utilities iPhoneiPadiPod touchMacApple Watch
Weeklet – Week Number is a free Utilities app for iPhone and iPad by Hiroaki Matsuno. Requires iOS 26.0. Updated October 16, 2026.
- Price
- Free
- on the App Store
- Size
- 13 MB
- Age 4+
- Updated
- Oct 16
- 2026 · v3.1
Screenshots
About Weeklet – Week Number
A week number is a serial number that identifies each week of the year with a single number. It comes in handy when you plan schedules and track project progress week by week. Weeklet shows the current week number clearly on your Home Screen and Lock Screen. Open the app to instantly browse weekly calendars of the current and upcoming weeks. Widgets can also be shown in StandBy. - Widgets in both Home Screen and Lock Screen - Browse calendars by week - Quickly check week numbers for other dates - Shows the remaining days of the week and the remaining weeks of the year graphically - Follows your settings “Calendar” and “First day of week” on Settings app - Supports Light and Dark Mode - Works with Apple Watch You can also: - Show years and quarters based on your fiscal year - Set your fiscal year’s start and label style - Choose the calendar used to calculate week numbers - Choose the start and end days of your workweek If you have feedback, feel free to contact us at the support page.
What’s new
Version 3.1 · Updated October 16, 2026
Added 5 localizations - Now available in German, Danish, Finnish, Norwegian, and Swedish Other updates - Added a setting for how week 1 is determined - Improved visual style - Fixed an issue where the last week of a quarter or year was not displayed correctly in the Watch app
App privacy
The developer, Hiroaki Matsuno, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Weeklet – Week Number
Looking for apps like Weeklet – Week Number? Here are 6 similar apps on the App Store. The highest rated is Calendar Week Nerd (5.0/5), and 5 of the 6 are free to download.
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Calendar Week Nerd
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Week Number · Calendar Weeks
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Week # - Simple Week Number
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T!me it
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WiFi Roam Test
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ListHub - My Checklist Library
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Weeklet – Week Number | – | Free | October 16, 2026 | |
| Calendar Week Nerd | 5.0 / 5 (1) | Free | Jul 4, 2026 | Compare |
| Week Number · Calendar Weeks | – | Free | Jul 22, 2026 | Compare |
| Week # - Simple Week Number | 5.0 / 5 (3) | Free | Feb 24, 2026 | Compare |
| T!me it | – | Free | Aug 11, 2025 | Compare |
| WiFi Roam Test | 4.5 / 5 (2) | 1.99 USD | Oct 14, 2026 | Compare |
| ListHub - My Checklist Library | – | Free | Feb 5, 2026 | Compare |