# The Master Key System vs VR MemoPa

The clearest difference is rating: VR MemoPa at 4.5 against The Master Key System's 3.3. VR MemoPa also leads on in-app purchases (none vs 1). The Master Key System's advantage is ads (none vs shown) and ratings volume (7 vs 2). On price and device support there is nothing between them.

Both are free to download. The Master Key System sells 1 one-off in-app purchase. VR MemoPa asks for nothing beyond the download.

VR MemoPa holds the better App Store score, 4.5 against 3.3. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

## The numbers

| Metric | The Master Key System | VR MemoPa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/the-master-key-system-audio/id1380717052/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/vr-memopa/id6444376604/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 days |
| Monetization | **Free** | Ad-supported |
| Size | 49 MB | 965 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huong Nguyen](https://appshunter.io/developer/1342162705) | [Hajime Hotaka](https://appshunter.io/developer/1495063369) |

## What reviewers say

### The Master Key System

[App page](https://appshunter.io/ios/app/the-master-key-system-audio/id1380717052)

This application provides an audio version of "The Master Key System," a personal development book focusing on New Thought principles. It features synchronized narration, allowing users to read and listen simultaneously, with exercises and Q&A sections for each chapter.

**Highlights:** Synchronized audio narration, Chapter exercises and Q&A, Adjustable font size and style, Night and day reading modes, Background audio playback, Text highlighting

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | $0.99 | one-time |


### VR MemoPa

[App page](https://appshunter.io/ios/app/vr-memopa/id6444376604)

Enhance memory retention by associating images with virtual locations. Create custom memory palaces using simple Excel files to visualize and recall information faster and more effectively.

**Highlights:** Create virtual memory palaces, Associate images with locations, Utilize Excel for data input, Supports VR headset integration, Gamepad controller support, Visualize and recall information

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

**In-app purchases:** none


## Frequently asked questions

### Is The Master Key System free?

The Master Key System is free to download, with in-app purchases available.

### Is VR MemoPa free?

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

### Which has better reviews, The Master Key System or VR MemoPa?

VR MemoPa is rated higher. The Master Key System averages 3.3 out of 5 from 7 ratings, while VR MemoPa averages 4.5 from 2 ratings.

### Do The Master Key System or VR MemoPa have ads?

VR MemoPa shows ads; The Master Key System does not.

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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.*