Remember 3.1415 vs π ~PI~
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Remember 3.1415
Challenge your math and logic skills with this game that tests your ability to recall digits of Pi. Compete against the clock in various timed modes or an endless challenge. AI provides helpful tips to improve your input speed and accuracy.
- Over 1 million digits of Pi
- Multiple timed game modes
- Endless challenge mode
- AI-powered input tips
- Game over on time or error
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Popular cross-platform game: Remember 3.1415 more than 1000000+ length Pi for you to challenge your math and logic brain. Features *1000000+ length Pi. *Big Level: Classic-60s, Classic-180s, Classic-300s, Endless *You can input how many pi length as quickly as you can. *Artificial Intelligence tips how to input number *Game over: Time is up or enter wrong number Special thanks: WuBingQiong, ZhuYangJian Feedback: 283784210@qq.com
π ~PI~
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 digits
- Practice mode
- Challenge mode
- Memorize long sequences
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This app supports to learn pi (ratio of a circle's circumference). You can choose PRACTICE MODE and CHALLENGE MODE. Learn longer, longer, longer digits.
Screenshots
Verdict
The clearest difference is in-app purchases: π ~PI~ at none against Remember 3.1415's 1. π ~PI~ also leads on update cadence (every 6 months vs every 64 months) and iOS requirement (8.0 vs 13.0). On price, review sentiment, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Remember 3.1415 sells 1 one-off in-app purchase. π ~PI~ asks for nothing beyond the download.
Remember 3.1415 ships an update every 64 months, π ~PI~ every 6 months. The most recent releases landed on October 3, 2026 and September 27, 2026 respectively.
| Parameter | Remember 3.1415 | π ~PI~ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 64 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | 杨军 朱 | Yuki Takeda |
Customer experience
Remember 3.1415
π ~PI~
In-app purchases
Remember 3.1415
- Buy Pro Version$0.99
π ~PI~
No in-app purchases
