# Mnemonica Major Memory System vs majors23

The clearest difference is price: majors23 at Free against Mnemonica Major Memory System's $3.99. majors23 also leads on update cadence (every 5 days vs every 21 months). Mnemonica Major Memory System's advantage is device support (4 vs 1) and iOS requirement (12.0 vs 17). On ads and in-app purchases there is nothing between them.

majors23 is free to download; Mnemonica Major Memory System costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mnemonica Major Memory System ships an update every 21 months, majors23 every 5 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Mnemonica Major Memory System | majors23 |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mnemonica-major-memory-system/id1611390013/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 35 MB | 139 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abdelwadoud Hakimi](https://appshunter.io/developer/1611390015) | [JAE HO YOON](https://appshunter.io/developer/1886674566) |

## What reviewers say

### Mnemonica Major Memory System

[App page](https://appshunter.io/ios/app/mnemonica-major-memory-system/id1611390013)

This app helps you memorize numbers by associating them with images using the Major Memory System. It offers multiple game modes and allows you to upload custom images and study personal numbers. Supports over 20 languages.

**Highlights:** Image association for numbers, Major Memory System training, 3 game modes, Upload custom images, Study personal numbers, Multi-language support

**Features:** Vision Pro support

**In-app purchases:** none


### majors23

[App page](https://appshunter.io/ios/app/majors23/id6760968725)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mnemonica Major Memory System free?

Mnemonica Major Memory System costs $3.99, with no in-app purchases.

### Is majors23 free?

majors23 is free to download, with no in-app purchases.

### Do Mnemonica Major Memory System or majors23 have ads?

Neither Mnemonica Major Memory System nor majors23 shows ads.

### Which is updated more often, Mnemonica Major Memory System or majors23?

Mnemonica Major Memory System ships an update every 21 months, and majors23 every 5 days. Most recently, Mnemonica Major Memory System was updated on November 3, 2026 and majors23 on November 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.*