# Sudoku Walls vs Einstein

The clearest difference is in-app purchases: Einstein at none against Sudoku Walls's 1. Einstein also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Sudoku Walls sells 1 one-off in-app purchase. Einstein asks for nothing beyond the download.

## The numbers

| Metric | Sudoku Walls | Einstein |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/einstein-the-riddle/id6748315029/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | — |
| Monetization | — | Ad-supported |
| Size | 145 MB | 33 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Elton Relander](https://appshunter.io/developer/1767181473) | [Davide Sardei](https://appshunter.io/developer/668430430) |

## What reviewers say

### Sudoku Walls

[App page](https://appshunter.io/ios/app/sudoku-walls/id6670711546)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


### Einstein

[App page](https://appshunter.io/ios/app/einstein-the-riddle/id6748315029)

This logic puzzle game challenges players to solve complex riddles using deduction and critical thinking. Inspired by a classic brain teaser, it offers increasingly difficult levels with a clean interface and no time limits.

**Highlights:** Logic grid puzzles, Deductive reasoning, Classic riddle mechanics, Clean interface, No time limits

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Walls free?

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

### Is Einstein free?

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

### Do Sudoku Walls or Einstein have ads?

Both Sudoku Walls and Einstein show ads.

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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.*