# Pi Score Challenge vs PiMemory

The clearest difference is in-app purchases: PiMemory at none against Pi Score Challenge's 1. Pi Score Challenge's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.6). On price, update cadence and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Pi Score Challenge | PiMemory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 39 MB | 11 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lee Cooper](https://appshunter.io/developer/939505250) | [Younghan Kim](https://appshunter.io/developer/1859100256) |

## 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 |


### PiMemory

[App page](https://appshunter.io/ios/app/pimemory/id6756199880)

**Features:** macOS Compatibility

**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 PiMemory free?

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

### Do Pi Score Challenge or PiMemory have ads?

PiMemory shows ads; Pi Score Challenge does not.

### Which is updated more often, Pi Score Challenge or PiMemory?

Pi Score Challenge ships an update fortnightly, and PiMemory fortnightly. Most recently, Pi Score Challenge was updated on October 6, 2026 and PiMemory on October 17, 2026.

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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.*