π ~PI~ vs Pi Run
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
Pi Run
Test your memory and reaction speed by recalling digits of pi to advance. Correctly typing the next number keeps you running, while mistakes cause the ground to disappear. Compete against your high score to see how far you can progress.
- Memory-based gameplay
- Speed and reaction challenge
- High score tracking
- Progressive difficulty
- Simple input mechanic
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Test your memory and speed in Pi Run. Each step forward depends on how well you remember the digits of pi. Type the next number correctly to keep running, but hesitate or make a mistake, and the ground falls away behind you. The faster you go, the more distance you gain. Challenge yourself to beat your high score and see how far you can get.
Screenshots
Verdict
The clearest difference is iOS requirement: π ~PI~ at 8.0 against Pi Run's 15.1. On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | π ~PI~ | Pi Run |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 6 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 23 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuki Takeda | SARAH ELIZABETH HOLMES |
Customer experience
π ~PI~
Pi Run
In-app purchases
π ~PI~
No in-app purchases
Pi Run
No in-app purchases









