# Rotational Sudoku vs Echo Ramsey

The clearest difference is price: Echo Ramsey at Free against Rotational Sudoku's $0.99. Echo Ramsey also leads on iOS requirement (15.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Echo Ramsey is free to download; Rotational Sudoku costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Rotational Sudoku | Echo Ramsey |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 4 MB | 51 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Sam Rostami](https://appshunter.io/developer/6771544652) |

## What reviewers say

### Rotational Sudoku

[App page](https://appshunter.io/ios/app/rotational-sudoku/id6749655576)

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

**In-app purchases:** none


### Echo Ramsey

[App page](https://appshunter.io/ios/app/echo-ramsey/id6772779556)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rotational Sudoku free?

Rotational Sudoku costs $0.99, with no in-app purchases.

### Is Echo Ramsey free?

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

### Do Rotational Sudoku or Echo Ramsey have ads?

Neither Rotational Sudoku nor Echo Ramsey shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*