# π ~PI~ vs Pi Run

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | π ~PI~ | Pi Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pi-run/id6761243710/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free | Free |
| Size | 23 MB | 41 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Takeda](https://appshunter.io/developer/1021096508) | [SARAH ELIZABETH HOLMES](https://appshunter.io/developer/1888372656) |

## What reviewers say

### π ~PI~

[App page](https://appshunter.io/ios/app/pi/id1077740864)

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.

**Highlights:** Learn pi digits, Practice mode, Challenge mode, Memorize long sequences

**Features:** Vision Pro support

**In-app purchases:** none


### Pi Run

[App page](https://appshunter.io/ios/app/pi-run/id6761243710)

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.

**Highlights:** Memory-based gameplay, Speed and reaction challenge, High score tracking, Progressive difficulty, Simple input mechanic

**In-app purchases:** none


## Frequently asked questions

### Is π ~PI~ free?

π ~PI~ is free to download, with no in-app purchases.

### Is Pi Run free?

Pi Run is free to download, with no in-app purchases.

### Do π ~PI~ or Pi Run have ads?

Neither π ~PI~ nor Pi Run shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*