# Pi Score Challenge vs pi!

The clearest difference is in-app purchases: pi! at none against Pi Score Challenge's 1. Pi Score Challenge's advantage is iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Pi Score Challenge sells 1 one-off in-app purchase. pi! asks for nothing beyond the download.

## The numbers

| Metric | Pi Score Challenge | pi! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 39 MB | 4 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Lee Cooper](https://appshunter.io/developer/939505250) | [Sijun Yang](https://appshunter.io/developer/1819339978) |

## What reviewers say

### Pi Score Challenge

[App page](https://appshunter.io/ios/app/pi-score-challenge/id6495716223)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slice of Pie | $5.00 | one-time |


### pi!

[App page](https://appshunter.io/ios/app/pi/id6760577760)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pi Score Challenge free?

Pi Score Challenge is free to download, with in-app purchases available.

### Is pi! free?

pi! is free to download, with no in-app purchases.

### Do Pi Score Challenge or pi! have ads?

Neither Pi Score Challenge nor pi! 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.*