# Sudoku² vs Memory Multiplier

The clearest difference is in-app purchases: Memory Multiplier at none against Sudoku²'s 1. Memory Multiplier also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sudoku² sells 1 one-off in-app purchase. Memory Multiplier asks for nothing beyond the download.

## The numbers

| Metric | Sudoku² | Memory Multiplier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (10 ratings)](https://appshunter.io/ios/app/sudoku/id959450517/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 2 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [春 李](https://appshunter.io/developer/525245233) | [Jake Sheppard](https://appshunter.io/developer/1852855434) |

## What reviewers say

### Sudoku²

[App page](https://appshunter.io/ios/app/sudoku/id959450517)

Engage with an endless supply of Sudoku puzzles, ranging from easy to challenging difficulty levels. Features include a distraction-free input pad, note-taking with color options, and customizable error checking. Unlock new levels by completing a single puzzle.

**Highlights:** Infinite Sudoku puzzles, Adjustable difficulty levels, Distraction-free input pad, Color-coded note-taking, Manual/automatic note-taking, Customizable error checking, Multiple highlight modes

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisement | $0.99 | one-time |


### Memory Multiplier

[App page](https://appshunter.io/ios/app/memory-multiplier/id6755316621)

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku² free?

Sudoku² is free to download, with in-app purchases available.

### Is Memory Multiplier free?

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

### Do Sudoku² or Memory Multiplier have ads?

Sudoku² shows ads; Memory Multiplier 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.*