# Mnemonics! vs Hyper Sudoku

The clearest difference is in-app purchases: Mnemonics! at none against Hyper Sudoku's 3. Mnemonics! also leads on ads (none vs shown). Hyper Sudoku's advantage is update cadence (every 3 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hyper Sudoku sells 3 in-app purchases, starting at $2.99 per month. Mnemonics! asks for nothing beyond the download.

Mnemonics! ships an update every 3 weeks, Hyper Sudoku every 3 days. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Mnemonics! | Hyper Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mnemonics/id6478067329/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 12 MB | 29 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) |

## What reviewers say

### Mnemonics!

[App page](https://appshunter.io/ios/app/mnemonics/id6478067329)

This timed object matching game is designed to enhance your memory and focus. It presents increasingly challenging patterns and colors to improve your hippocampus function and peripheral vision, leading to better memorization skills.

**Highlights:** Timed object matching gameplay, Improves memory and focus, Enhances peripheral vision, Challenging patterns and colors, Adjustable difficulty levels

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

**In-app purchases:** none


### Hyper Sudoku

[App page](https://appshunter.io/ios/app/hyper-sudoku/id6757954294)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | per month |
| Pro | $24.99 | per year |
| Pro | $2.99 | one-time |


## Frequently asked questions

### Is Mnemonics! free?

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

### Is Hyper Sudoku free?

Hyper Sudoku is free to download, with in-app purchases available.

### Do Mnemonics! or Hyper Sudoku have ads?

Hyper Sudoku shows ads; Mnemonics! does not.

### Which is updated more often, Mnemonics! or Hyper Sudoku?

Mnemonics! ships an update every 3 weeks, and Hyper Sudoku every 3 days. Most recently, Mnemonics! was updated on October 14, 2026 and Hyper Sudoku on October 1, 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.*