Pi vs Widget

Never forget another event again! Pi-Anniversary will save the date and remind you when its anniversary is coming up. Be it one year, six months, Pi * 10^3 days or 0x77777 seconds. Ever wanted to measure your child’s age according to the Mayan calendar? With many anniversary parameters built-in and the option to create your own to match what’s means most to you, Pi-Anniversary is the perfect choice to keep track of nerdy events. Important or mundane, sad or happy, there will always be an occasion to commemorate with Pi-Anniversary.

Keep your important dates always visible Anniversary Widget shows your special dates on your Home Screen and Lock Screen. Track anniversaries, weddings, birthdays, or any memorable day, and never forget them. Key Features Home Screen & Lock Screen Widgets • Small, Medium, Large, and Extra Large (tall on iPhone with iOS 27, wide on iPad) • Lock Screen widgets: circular, rectangular, and inline above the clock Anniversary Notifications • A notification at 9 AM on monthly and yearly anniversaries • A reminder a few days before yearly anniversaries and upcoming dates • Turn notifications on or off anytime in Settings Flexible Date Display • Choose from 6 formats: days only, years/months/days, months/days, months only, years/months, years only Countdowns to Milestones • Countdown to yearly and monthly anniversaries • Supports future dates like weddings or trips Custom Events (Premium) • Show your own message on specific dates Rich Customization • 27 color palettes • Background options: solid, gradient, or image • Adjust image opacity, text color, and cropping 6 Languages • English, Japanese, Spanish, French, German, and Korean • Follow your device language or choose one in the app Premium Features • Unlimited anniversaries • 24 premium color palettes • Background images • Custom event messages • One-time purchase, no subscription Recommended For • Couples counting their days together • Remembering wedding anniversaries • Counting the days since your child was born • Counting down to trips and events Privacy • All data stays on your device • No account, no cloud sync, no personal data collection