This utility app helps users celebrate Pi Day and other significant dates. Set default alarms for Pi Day or customize messages for any event. Enjoy tracking important dates with a simple interface.





241+ iOS apps & games curated and reviewed
Whether you're new to pi day countdown or looking for an upgrade, our curated collection of 241+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 1.0★ (1) | No | No | May 2026 | |
| 2 | Free | 5.0★ (1) | No | No | May 2026 | |
| 3 | Free | — | No | No | Aug 2026 | |
| 4 | Free | 3.8★ (11K) | Yes | Yes | Aug 2026 | |
| 5 | Free | 5.0★ (4) | No | Yes | Jul 2026 | |
| 6 | Free | 4.7★ (2.9K) | No | Yes | Sep 2026 | |
| 7 | Free | 4.4★ (139) | No | Yes | Aug 2026 | |
| 8 | Free | 4.2★ (58) | Yes | Yes | Aug 2026 |





This utility app helps users celebrate Pi Day and other significant dates. Set default alarms for Pi Day or customize messages for any event. Enjoy tracking important dates with a simple interface.






This app reveals the precise location of any date within the first five billion digits of pi. Search for significant dates like birthdays or anniversaries and explore their placement in pi's infinite sequence. It supports various date formats and allows you to save and share your discoveries.


Learn the digits of pi with engaging practice and challenge modes. Test your memory and see how many digits you can recall. Perfect for math enthusiasts and those looking to improve their memorization skills.


Visually track upcoming events with customizable countdowns. Set timers for vacations, concerts, or anniversaries using your own photos, music, and phrases. Share your progress with friends and family.


Engage in a series of memory-based games inspired by the digits of pi. Challenge your recall with timed races, practice sessions, and a Simon-style sequence game. Track your progress and identify areas for improvement with detailed insights.


Visually track important dates and goals with customizable widgets for your Home Screen and Lock Screen. Set up countdowns and count-ups for personal milestones, habits, or deadlines. Sync across devices and receive timely notifications.


Create beautiful countdowns and inspiring vision boards to track important moments. Set up stylish widgets on your home screen for birthdays, vacations, goals, and more. Stay focused and organized with a personalized tool for visualizing your future.


Memorize 1000 digits of Pi quickly using color and musical notes for enhanced recall. Visualize numbers with chunking and compete on leaderboards. Practice daily to master Pi's digits.


Enhance your Pi memorization with this app. Features include writing your own "Piem," voice mode for reciting digits, performance statistics, and sound effects. Challenge friends and track your progress.


Track important dates and count down to your next big event. This app allows you to set custom events with personalized backgrounds and receive daily notifications. Keep your countdowns private with PIN protection.


Track important dates with this cute day counter and reminder app. It helps you count down to events, count up days since a specific date, and receive reminders for birthdays and holidays. You can also use it to monitor expiration dates for food and other items.


Easily track important dates with customizable countdowns and count-ups. Set reminders, personalize themes and backgrounds, and share your progress with friends. Never miss a special occasion again.


Track time remaining until important events or time elapsed since a past event. Receive notifications when a countdown expires. This app offers a simple, ad-free experience for managing your time.


Create beautiful countdowns to important events and track days passed once they occur. Receive timely push notifications and personalize each event with custom backgrounds. Share your upcoming milestones with friends and enjoy seamless integration with your device.


Easily track important dates and events with a customizable countdown timer. Set reminders for birthdays, holidays, or personal goals, and view remaining time in days, hours, minutes, and seconds directly on your home screen.


Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.


Easily track important dates and events with a beautifully designed countdown timer and calendar. Set unlimited countdowns, customize with icons and colors, and receive basic reminders. Share your upcoming events with friends and family.


Easily track days until important events like birthdays, holidays, and exams. Customize with beautiful backgrounds, record voice notes, and share your countdowns.


Track upcoming events with a precise countdown. Set your event title, date, and time, and watch the seconds tick down. Personalize each event with a unique background image from your device or camera.


Track upcoming events and important dates with a customizable countdown. Set reminders for birthdays, holidays, and special occasions, with options to add photos, locations, and notes. Share your countdowns with friends and family.