# Memory Palace Builder vs 劉門御指

The clearest difference is in-app purchases: 劉門御指 at none against Memory Palace Builder's 5. 劉門御指 also leads on ads (none vs shown) and update cadence (fortnightly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Memory Palace Builder sells 5 in-app purchases, starting at $1.39 per month. 劉門御指 asks for nothing beyond the download.

Memory Palace Builder ships an update every 3 months, 劉門御指 fortnightly. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Memory Palace Builder | 劉門御指 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 120 MB | 54 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Marvin Perzi](https://appshunter.io/developer/1895391663) | [益平 段](https://appshunter.io/developer/1872258320) |

## What reviewers say

### Memory Palace Builder

[App page](https://appshunter.io/ios/app/memory-palace-builder/id6755954161)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium – 1 Month | $1.39 | per month |
| Premium – 1 Year | $14.49 | per year |
| Just Coffee | $0.99 | one-time |
| Pro Version & Coffee | $4.99 | one-time |
| Pro Version! | $28.49 | one-time |


### 劉門御指

[App page](https://appshunter.io/ios/app/id6760403702)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory Palace Builder free?

Memory Palace Builder is free to download, with in-app purchases available.

### Is 劉門御指 free?

劉門御指 is free to download, with no in-app purchases.

### Do Memory Palace Builder or 劉門御指 have ads?

Memory Palace Builder shows ads; 劉門御指 does not.

### Which is updated more often, Memory Palace Builder or 劉門御指?

Memory Palace Builder ships an update every 3 months, and 劉門御指 fortnightly. Most recently, Memory Palace Builder was updated on October 11, 2026 and 劉門御指 on October 14, 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.*