Best Oh Pi App

241+ iOS apps & games curated and reviewed

4.3 avg rating

20 free apps & games

Updated October 2026

With an average user rating of 4.3★, the oh pi app category is one of the App Store's strongest. Browse all 241+ apps and games we track, sorted so the most loved ones surface first.

Compare top Oh Pi App (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Oh Pi App	Free	—	—	No	Oct 2026
2	Pi - The Game	Free	4.7★ (1.7K)	No	Yes	Nov 2026
3	pi!	Free	—	—	No	Sep 2026
4	π ~PI~	Free	—	No	No	Aug 2026
5	Memorize Pi Digits - 3.14π	Free was $4.99	4.4★ (153)	Yes	Yes	Nov 2026
6	π ~ Pi Fun App.	Free	—	Yes	No	Oct 2026
7	Pi Masters	Free	—	No	No	Oct 2026
8	Pi — Infinite Digits	Free	4.0★ (1)	No	No	Oct 2026

Top Picks for Oh Pi App

#1

Oh Pi App by 演李

Your remote AI workspace

Editor's Choice

🛠️ Developer Tools

0.0(0 ratings)

Free

Oh Pi App screenshot 1

Oh Pi App screenshot 2

Oh Pi App screenshot 3

#2

Pi - The Game by Applorium Ltd

Math & IQ test, Spelling Bee

Strong Contender

4.7😊(1.7K ratings)

FreeIn-App Purchases

Pi - The Game screenshot 1

Pi - The Game screenshot 2

Pi - The Game screenshot 3

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.

What We Love

🚀 Great memorization tool
👍 Simple and intuitive interface
💡 Customizable features (e.g., column count)
🥳 Engaging and fun way to learn pi
🎉 Helps users achieve impressive results quickly

Room to Improve

🔒 Premium features locked behind paywall
🐛 Occasional crashes and bugs
📢 Frequent review prompts can be annoying
🔍 Leaderboard and achievements not always accurate

#3

pi! by Sijun Yang

Memorize 10,000 Digits of π

Worth Considering

0.0(0 ratings)

Free

pi! screenshot 1

pi! screenshot 2

pi! screenshot 3

pi! screenshot 4

pi! screenshot 5

More Oh Pi App apps to explore

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.

Learn pi digitsPractice modeChallenge mode

Memorize Pi Digits - 3.14π

Memorize Pi Digits - 3.14π

Memorize Pi Digits - 3.14π

Improve memory by memorizing π

$4.99 | 100% OFF

This app helps you memorize digits of Pi, offering up to one million digits for practice. It features a dark mode interface and a network competition mode for up to five players. Ideal for educational purposes and memory improvement.

Memorize up to 1 million Pi digitsDark mode UI designNetwork competition mode (up to 5 players)

📊 Productivity

free with in-app purchases

π ~ Pi Fun App.

π ~ Pi Fun App.

π ~ Pi Fun App.

Challenge world ranking in RTA

Master Pi to 1 million digits!

Pi — Infinite Digits

Pi — Infinite Digits

Pi — Infinite Digits

Every digit of π, instantly.

Explore the infinite digits of the mathematical constant π with unparalleled precision. Access millions of digits offline or trillions via the internet. Ideal for students, mathematicians, or anyone curious about this fundamental number.

Calculate first N digits of PiFind the Nth digit of PiArbitrary precision up to 50,000 digits offline

Pi Score Challenge

Pi Score Challenge

Pi Score Challenge

Learn more Pi digits!

Pi Digits Memory Game

Pi Digits Memory Game

Pi Digits Memory Game

Learn 1000 Digits for Pi Day !

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.

Memorize 1000 digits of PiColor and musical notes for recallNumber chunking visualization

free with in-app purchases

π Pi Challenge

Master the digits of Pi

Your pi Agents, Anywhere

Monitor and message your Pi agents remotely with this mobile companion app. View live agent status, engage in detailed chats, and send/reply to messages directly from your device. Securely connect via QR code or remote access.

Live agent status listDetailed chat viewSend and reply to messages

📊 Productivity

One Million Digits of Pi

One Million Digits of Pi

One Million Digits of Pi

Search/explore 1M Digits of π

Explore and search the first million digits of Pi. Find specific number sequences, including those derived from text, within the irrational constant. Enjoy a visually appealing interface with adaptive modes and smooth animations.

Search for number sequencesTranslate text to numbers for searchingView occurrence counts

🎬 Entertainment

Generate Pi easily, thoroughly

This app generates a large number of pi digits, up to 100,000. It also offers a practice mode for learning pi. Test your device's capabilities with extensive pi calculations.

Generates up to 10,000 digits of piView up to 100,000 digitsPractice learning pi

🎬 Entertainment

Pi Day Memory Games by Pimon

Pi Day Memory Games by Pimon

Pi Day Memory Games by Pimon

Learn Digits, Brain Quiz & Fun

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.

Simon-style memory gameTimed pi digit recall racesVanishing digits challenge

free with in-app purchases

SimplePi for Raspberry Pi

SimplePi for Raspberry Pi

SimplePi for Raspberry Pi

Monitor, Control & Manage rPi

Manage your Raspberry Pi from your iPhone or iPad. Monitor system activity with graphs, run custom commands, and access a terminal shell. Includes widgets, file browsing, and support for multiple Pis.

Monitor CPU, Memory, Temperature, Disk UsageRun custom commands with one tapFull terminal shell access

free with in-app purchases

Explore Pi Through Art

🎬 Entertainment

Easy as Pi - Memory Trainer

Easy as Pi - Memory Trainer

Easy as Pi - Memory Trainer

Test your recall of Pi digits.

Practice and test your ability to recall digits of Pi. This educational tool helps you improve your memory of this mathematical constant.

Test Pi digit recallPractice memory skillsEducational tool

Test and improve your ability to memorize digits of pi. Challenge yourself and friends to see who can recall the most numbers. This app serves as a fun learning tool for all ages to enhance memory retention.

Memorize pi digitsTest memory recallScore saving

Fun π Memory & Learning App

FAQ about Oh Pi App

Are there free oh pi app for iPhone?

Yes — 20 of the top oh pi app we rank are free to download, including Oh Pi App and Pi - The Game.

Does Oh Pi App have ads or in-app purchases?

Oh Pi App has no in-app purchases, according to its App Store listing as of October 2026.

How many oh pi app are on the App Store?

We track 241+ oh pi app on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.