Pi Day Memory Games by Pimon2.2.0 - App Store
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Publisher Description
How many digits of pi can you remember?
Pi Day is March 14. Pimon turns the world's most famous number into a fun Simon-style memory game. Train your brain, race the clock, practice with a coach, and track exactly where your memory improves.
Five games in one: Pimon, Speed Pi, Pi Recall, Pure Pi, and Pi Reader.
Great for kids, parents, teachers, and everyone excited about pi!
The perfect Pi Day app!
Here are the games you get when you download now:
PIMON - Simon Meets Pi
Watch pi's digits light up with fun colors and authentic touch tones. Repeat the sequence. Start slow, build confidence. See how far you go!
4 speed modes from relaxed to expert control playback
Speak to Me mode for Pimon's playback
Pause anytime
3 mistakes allowed
SPEED PI: Race to 8, 20, 31, 50, 100, or Endless
Pick a race, enter the digits of pi as fast as you can. One wrong move ends the run. Beat the timer to enter each digit. Hesitate and it's over!
Play Endless for an endurance challenge. Set your record. How many decimal places of pi will you reach?
Build memory with a live millisecond timer, progress bar, and coaching when your run ends.
6 race distances with separate stats and leaderboards
Endless mode to see how far you can go
Millisecond-precision timer
One mistake and it's over
Personal best tracking per distance
PI RECALL - Vanishing Digits
Pi Recall matches real π memory competitions: no writing, no scratchpad, no aids. Results are hidden til the end.
The ultimate Pi Memory Challenge
Track your longest streak
PURE PI - Practice Makes Perfect
Pure Pi tests all your skills: memory, research, patience and practice. Enter the decimals of π. Use Pi Reference. How far can you go?
Instant color feedback on every digit
Track your longest streak
Pi Reference viewer with 500 digits included (1,000,000 with Pro)
PI READER - Practice with a Coach
Grab a friend, family member, or coach to help you practice pi while they follow along.
Guided practice sessions with a live coach
Milestone badges and streak tracking
25 digits per session, unlimited with Pro
MEMORY INSIGHTS - Know Your Strengths
See exactly where you're strong and where to improve. Your play sessions become a personalized dashboard with accuracy heat maps, weak-spot detection, and a memorized frontier tracker.
Core insights are included for all players. Pro unlocks advanced analysis, trends, and deeper heat map data.
There is even more to explore:
Pimon includes educational material, interesting facts about pi, a fully featured Quiz section, and interactive math and pi visualizations.
ABOUT PI - Your Pi Study Guide
15 sections covering everything from the basics to Cantor's infinity proof. Learn why pi appears in circles, waves, quantum mechanics, and places you would never expect. Perfect for studying before Pi Day or prepping for the Quiz.
PI QUIZ - 30 Questions Across 4 Levels
Test your pi knowledge from basic facts to quantum mechanics. Every question includes a clear explanation so you actually learn.
Easy, Medium, Hard, and Expert levels
Build answer streaks to unlock badges
DISCOVER - 11 Interactive Visualizations
Explore where pi appears in math and nature through hands-on animations like Monte Carlo simulations, Fourier waves, Euler's Identity, Cantor's Diagonal, and quantum interference.
All included with the app.
Share visualizations with friends and classmates.
AWARDS AND GAME CENTER
Compete on Game Center leaderboards, collect 50+ badges, build streaks, and share your achievements.
PIMON PRO In-App Purchase
Unlock everything with Pimon Pro:
Fast and Expert Pimon speeds
Extended Speed Pi timer
Extra expert quiz questions
Unlimited Pi Reader sessions
Full Memory Insights dashboard
Full 1,000,000-digit pi reference
One-time purchase. No subscription.
Whether you are a student preparing for Pi Day, a teacher looking for a classroom tool, or a math enthusiast chasing a new personal best, Pimon makes pi fun and exciting.
Start your pi memory journey today!
Version History New visualization: Cantor's Diagonal — tap through an animated proof that some infinities are bigger than others.
Plus 2 new quiz questions (30 total), a new "Cantor, Pi, and the Bigger Infinity" section in About Pi, and a fix for sharing and copying content.
Pi Day is March 14 — how many digits will you know by then?
If you're new since 2.1: here's what you've got.
Memory Insights Dashboard
Your play sessions become accuracy heatmaps, weak-spot analysis, and a memorized frontier tracker. See exactly where you're strong and where to focus next. Pro unlocks transition analysis, chunking detection, trend graphs, and the full interactive heatmap.
Pi Reader Coaching
Have a friend, teacher, or family member read digits aloud while you type them back. Earn 6 dedicated badges from your first 5 digits all the way to Pi Reader Expert.
11 Interactive Visualizations
From a rolling circle that reveals pi to Monte Carlo estimation, Buffon's Needle, Fourier Waves, Euler's Identity, Quantum Interference, and now Cantor's Diagonal — every visualization is hands-on and shareable.
5 Game Modes, 57 Badges, 30 Quiz Questions
Pimon, Speed Pi, Pure Pi, Pi Recall, and the Quiz. Race on 8 Game Center leaderboards. Collect badges across 9 categories. Chase the Completionist. 2.2.0 Mar 2 In case you missed it: Our massive 2.1 update is here, bringing entirely new ways to train and track your progress!
Memory Insights
Stop guessing and start improving! Your new Memory Insights dashboard turns your play sessions into actionable heatmaps, weak-spot analysis, and a memorized frontier tracker. See exactly where you're strong and where you need a little more focus. (Pro unlocks the ultimate training toolkit: transition analysis, chunking detection, trend graphs, and the full interactive heatmap!)
Pi Reader & New Awards
Memorizing is better together. Have a coach, friend, or family member help you train using the Pi Reader. Plus, we've added 6 brand-new badges to earn as you practice! Track your milestones from 5 to 50 decimal places, build up your daily streaks, and chase the ultimate Pi Reader Expert badge.
Even More to Explore
Visualize the Math: Dive into two new interactive visualizations: Euler's Identity and Quantum Interference.
Race the Clock: Climb the Game Center leaderboards with two new Speed Pi distances (8 and 20 decimals).
Track Everything: Full Session History is now available across every single game mode.
What’s new in 2.1.1:
We’re always polishing the experience. In this quick update:
Seamless Links: Fixed a hiccup with app links so they instantly take you exactly where you need to go.
Smoother Navigation: Speed Pi races now support standard swipe-back gestures, making getting in and out of races feel completely natural.
Track Your Progress: We’ve renamed the Awards tab to "Progress"—the perfect home for your stats, badges, and Game Center ranks.
Pi Reader Polish: The session timer now pauses perfectly on the end-of-session dialog and resets cleanly for your next run.
UI Tweaks: You can now easily swipe to dismiss upgrade screens, and info buttons on your visualization cards are much easier to spot. 2.1.1 Feb 21 Memory Insights! Understand how well you know pi and how to improve.
Pi Reader! Help your coach, friend or family member help you.
Memory Insights
See exactly where you're strong and where to improve. Your new Memory Insights dashboard turns your play sessions into accuracy heatmaps, weak spot analysis, and a memorized frontier tracker. Free players get core insights. Pro unlocks transition analysis, chunking detection, trend graphs, and the full heatmap.
Pi Reader Awards
Earn 6 new badges as you practice with your Pi Reader coach, friend or family member. Track milestones from 5 to 50 decimal places, build day streaks, and work toward a new Pi Reader Expert badge.
Also new:
- Two interactive visualizations: Euler's Identity and Quantum Interference
- Two Speed Pi distances (8 and 20 decimals) with Game Center leaderboards
- Session history across every game mode
- Bug fixes and performance improvements 2.1 Feb 19 Pimon is back, completely rebuilt for modern iOS.
Everything is new:
Fresh interface designed for today's devices
8 interactive visualizations that bring pi to life
28-question quiz spanning Easy to Expert
Dozens of badges to earn across 9 categories
7 Game Center leaderboards to compete globally
Speed Pi: race to 31, 50, or 100 decimals — or go Endless
Pi Recall: digits flash then vanish — enter them from memory
Consecutive-day streak badges across all game modes
Shareable cards for scores, badges, stats, and visualizations
Speed Pi tab with Pure Pi typing mode and a scrollable pi reference
4 speed modes from Slow to Expert
DTMF touch tones that sound satisfying every time
Full 1,000,000-digit pi reference
Welcome back, pi fans. 2.0 Feb 18 1.0 03/29/2014
About Pi Day Memory Games by Pimon
The company that develops Pi Day Memory Games by Pimon is Socially Conscious Software, LLC. The latest version released by its developer is 2.2.0.
To install Pi Day Memory Games by Pimon on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-15 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Pi Day Memory Games by Pimon as malware if the download link is broken.
How to install Pi Day Memory Games by Pimon on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Pi Day Memory Games by Pimon is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Pi Day Memory Games by Pimon is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.2.0
posted on 2026-10-15
Version History New visualization: Cantor's Diagonal — tap through an animated proof that some infinities are bigger than others.
Plus 2 new quiz questions (30 total), a new "Cantor, Pi, and the Bigger Infinity" section in About Pi, and a fix for sharing and copying content.
Pi Day is March 14 — how many digits will you know by then?
If you're new since 2.1: here's what you've got.
Memory Insights Dashboard
Your play sessions become accuracy heatmaps, weak-spot analysis, and a memorized frontier tracker. See exactly where you're strong and where to focus next. Pro unlocks transition analysis, chunking detection, trend graphs, and the full interactive heatmap.
Pi Reader Coaching
Have a friend, teacher, or family member read digits aloud while you type them back. Earn 6 dedicated badges from your first 5 digits all the way to Pi Reader Expert.
11 Interactive Visualizations
From a rolling circle that reveals pi to Monte Carlo estimation, Buffon's Needle, Fourier Waves, Euler's Identity, Quantum Interference, and now Cantor's Diagonal — every visualization is hands-on and shareable.
5 Game Modes, 57 Badges, 30 Quiz Questions
Pimon, Speed Pi, Pure Pi, Pi Recall, and the Quiz. Race on 8 Game Center leaderboards. Collect badges across 9 categories. Chase the Completionist. 2.2.0 Mar 2 In case you missed it: Our massive 2.1 update is here, bringing entirely new ways to train and track your progress!
Memory Insights
Stop guessing and start improving! Your new Memory Insights dashboard turns your play sessions into actionable heatmaps, weak-spot analysis, and a memorized frontier tracker. See exactly where you're strong and where you need a little more focus. (Pro unlocks the ultimate training toolkit: transition analysis, chunking detection, trend graphs, and the full interactive heatmap!)
Pi Reader & New Awards
Memorizing is better together. Have a coach, friend, or family member help you train using the Pi Reader. Plus, we've added 6 brand-new badges to earn as you practice! Track your milestones from 5 to 50 decimal places, build up your daily streaks, and chase the ultimate Pi Reader Expert badge.
Even More to Explore
Visualize the Math: Dive into two new interactive visualizations: Euler's Identity and Quantum Interference.
Race the Clock: Climb the Game Center leaderboards with two new Speed Pi distances (8 and 20 decimals).
Track Everything: Full Session History is now available across every single game mode.
What’s new in 2.1.1:
We’re always polishing the experience. In this quick update:
Seamless Links: Fixed a hiccup with app links so they instantly take you exactly where you need to go.
Smoother Navigation: Speed Pi races now support standard swipe-back gestures, making getting in and out of races feel completely natural.
Track Your Progress: We’ve renamed the Awards tab to "Progress"—the perfect home for your stats, badges, and Game Center ranks.
Pi Reader Polish: The session timer now pauses perfectly on the end-of-session dialog and resets cleanly for your next run.
UI Tweaks: You can now easily swipe to dismiss upgrade screens, and info buttons on your visualization cards are much easier to spot. 2.1.1 Feb 21 Memory Insights! Understand how well you know pi and how to improve.
Pi Reader! Help your coach, friend or family member help you.
Memory Insights
See exactly where you're strong and where to improve. Your new Memory Insights dashboard turns your play sessions into accuracy heatmaps, weak spot analysis, and a memorized frontier tracker. Free players get core insights. Pro unlocks transition analysis, chunking detection, trend graphs, and the full heatmap.
Pi Reader Awards
Earn 6 new badges as you practice with your Pi Reader coach, friend or family member. Track milestones from 5 to 50 decimal places, build day streaks, and work toward a new Pi Reader Expert badge.
Also new:
- Two interactive visualizations: Euler's Identity and Quantum Interference
- Two Speed Pi distances (8 and 20 decimals) with Game Center leaderboards
- Session history across every game mode
- Bug fixes and performance improvements 2.1 Feb 19 Pimon is back, completely rebuilt for modern iOS.
Everything is new:
Fresh interface designed for today's devices
8 interactive visualizations that bring pi to life
28-question quiz spanning Easy to Expert
Dozens of badges to earn across 9 categories
7 Game Center leaderboards to compete globally
Speed Pi: race to 31, 50, or 100 decimals — or go Endless
Pi Recall: digits flash then vanish — enter them from memory
Consecutive-day streak badges across all game modes
Shareable cards for scores, badges, stats, and visualizations
Speed Pi tab with Pure Pi typing mode and a scrollable pi reference
4 speed modes from Slow to Expert
DTMF touch tones that sound satisfying every time
Full 1,000,000-digit pi reference
Welcome back, pi fans. 2.0 Feb 18 1.0 03/29/2014
version 2.2.0
posted on 2026-03-02
New visualization: Cantor's Diagonal — tap through an animated proof that some infinities are bigger than others.
Plus 2 new quiz questions (30 total), a new "Cantor, Pi, and the Bigger Infinity" section in About Pi, and a fix for sharing and copying content.
Pi Day is March 14 — how many digits will you know by then?
If you're new since 2.1: here's what you've got.
Memory Insights Dashboard
Your play sessions become accuracy heatmaps, weak-spot analysis, and a memorized frontier tracker. See exactly where you're strong and where to focus next. Pro unlocks transition analysis, chunking detection, trend graphs, and the full interactive heatmap.
Pi Reader Coaching
Have a friend, teacher, or family member read digits aloud while you type them back. Earn 6 dedicated badges from your first 5 digits all the way to Pi Reader Expert.
11 Interactive Visualizations
From a rolling circle that reveals pi to Monte Carlo estimation, Buffon's Needle, Fourier Waves, Euler's Identity, Quantum Interference, and now Cantor's Diagonal — every visualization is hands-on and shareable.
5 Game Modes, 57 Badges, 30 Quiz Questions
Pimon, Speed Pi, Pure Pi, Pi Recall, and the Quiz. Race on 8 Game Center leaderboards. Collect badges across 9 categories. Chase the Completionist.
version 2.1
posted on 1970-01-01
Memory Insights! Understand how well you know pi and how to improve.
Pi Reader! Help your coach, friend or family member help you.
Memory Insights
See exactly where you're strong and where to improve. Your new Memory Insights dashboard turns your play sessions into accuracy heatmaps, weak spot analysis, and a memorized frontier tracker. Free players get core insights. Pro unlocks transition analysis, chunking detection, trend graphs, and the full heatmap.
Pi Reader Awards
Earn 6 new badges as you practice with your Pi Reader coach, friend or family member. Track milestones from 5 to 50 decimal places, build day streaks, and work toward a new Pi Reader Expert badge.
Also new:
- Two interactive visualizations: Euler's Identity and Quantum Interference
- Two Speed Pi distances (8 and 20 decimals) with Game Center leaderboards
- Session history across every game mode
- Bug fixes and performance improvements
version 2.1.1
posted on 1970-01-01
In case you missed it: Our massive 2.1 update is here, bringing entirely new ways to train and track your progress!
Memory Insights
Stop guessing and start improving! Your new Memory Insights dashboard turns your play sessions into actionable heatmaps, weak-spot analysis, and a memorized frontier tracker. See exactly where you're strong and where you need a little more focus. (Pro unlocks the ultimate training toolkit: transition analysis, chunking detection, trend graphs, and the full interactive heatmap!)
Pi Reader & New Awards
Memorizing is better together. Have a coach, friend, or family member help you train using the Pi Reader. Plus, we've added 6 brand-new badges to earn as you practice! Track your milestones from 5 to 50 decimal places, build up your daily streaks, and chase the ultimate Pi Reader Expert badge.
Even More to Explore
Visualize the Math: Dive into two new interactive visualizations: Euler's Identity and Quantum Interference.
Race the Clock: Climb the Game Center leaderboards with two new Speed Pi distances (8 and 20 decimals).
Track Everything: Full Session History is now available across every single game mode.
What’s new in 2.1.1:
We’re always polishing the experience. In this quick update:
Seamless Links: Fixed a hiccup with app links so they instantly take you exactly where you need to go.
Smoother Navigation: Speed Pi races now support standard swipe-back gestures, making getting in and out of races feel completely natural.
Track Your Progress: We’ve renamed the Awards tab to "Progress"—the perfect home for your stats, badges, and Game Center ranks.
Pi Reader Polish: The session timer now pauses perfectly on the end-of-session dialog and resets cleanly for your next run.
UI Tweaks: You can now easily swipe to dismiss upgrade screens, and info buttons on your visualization cards are much easier to spot.
Disclaimer
Official App Store Link
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