# MnemonicPal vs Pi Score Challenge

The clearest difference is in-app purchases: MnemonicPal at none against Pi Score Challenge's 1. Pi Score Challenge's advantage is iOS requirement (13.0 vs 16.0). 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. MnemonicPal asks for nothing beyond the download.

## The numbers

| Metric | MnemonicPal | Pi Score Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 5 MB | 39 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zhong An Li](https://appshunter.io/developer/1622170960) | [Lee Cooper](https://appshunter.io/developer/939505250) |

## What reviewers say

### MnemonicPal

[App page](https://appshunter.io/ios/app/mnemonicpal-remember-numbers/id6444381747)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is MnemonicPal free?

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

### Is Pi Score Challenge free?

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

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

Neither MnemonicPal nor Pi Score Challenge 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.*