OnlyNumbers vs Week Number · Calendar Weeks

Pick a date in the past or future and and see exactly how far away it is, in days, months, or years. Keep as many as you like. Name them, or not. View in full screen. Swipe to delete, hold and drag to reorder. Pin one to your home screen as a widget and see it without opening the app. Light and dark follow your system. Text scales with your accessibility settings, all the way up. No accounts. No data collection. No ads. Your numbers stay on your device.

Week Number gives you one clear answer: what week is it? Open the app for the current week number, week-based year, date range, and today’s position. Browse earlier or later weeks, choose any date, and share a week when you need to coordinate plans. AT A GLANCE • See the current week and date range instantly • Follow today across a simple seven-day strip • Browse any week or jump straight back to today YOUR WEEK SYSTEM • Use ISO 8601 Monday-based week numbering • Or choose Sunday-based numbering • Keep the same rule across the app, widgets, and Apple Watch WHERE YOU NEED IT • Home Screen widgets on iPhone and iPad • Lock Screen widgets on iPhone • Apple Watch app and complications PRIVATE BY DESIGN • No account • No ads or tracking • No analytics • Your setting stays on your devices Week Number is a focused utility for schedules, timesheets, school terms, logistics, planning, and anyone who thinks in calendar weeks.