# Mastering Memory Pro vs Bute House Prep School

The clearest difference is price: Bute House Prep School at Free against Mastering Memory Pro's $19.99. Bute House Prep School also leads on update cadence (every 2 months vs every 9 months). Mastering Memory Pro's advantage is iOS requirement (12.2 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Bute House Prep School is free to download; Mastering Memory Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mastering Memory Pro ships an update every 9 months, Bute House Prep School every 2 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Mastering Memory Pro | Bute House Prep School |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 79 MB | 138 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keith Avery Technology Ltd](https://appshunter.io/developer/1084253618) | [Weduc UK Ltd](https://appshunter.io/developer/1635738266) |

## What reviewers say

### Mastering Memory Pro

[App page](https://appshunter.io/ios/app/mastering-memory-pro/id1536185390)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Bute House Prep School

[App page](https://appshunter.io/ios/app/bute-house-prep-school/id6742830393)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mastering Memory Pro free?

Mastering Memory Pro costs $19.99, with no in-app purchases.

### Is Bute House Prep School free?

Bute House Prep School is free to download, with no in-app purchases.

### Do Mastering Memory Pro or Bute House Prep School have ads?

Neither Mastering Memory Pro nor Bute House Prep School shows ads.

### Which is updated more often, Mastering Memory Pro or Bute House Prep School?

Mastering Memory Pro ships an update every 9 months, and Bute House Prep School every 2 months. Most recently, Mastering Memory Pro was updated on September 17, 2026 and Bute House Prep School on September 9, 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.*