# Sudoku 21A vs SharedSudoku

The clearest difference is review sentiment: SharedSudoku at 100% against Sudoku 21A's 0%. SharedSudoku also leads on rating (5.0 vs 1.0) and ads (none vs shown). Sudoku 21A's advantage is iOS requirement (14.4 vs 17.0). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SharedSudoku holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of Sudoku 21A's written reviews are positive against 100% of SharedSudoku's.

## The numbers

| Metric | Sudoku 21A | SharedSudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-21a/id1554695823/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sharedsudoku/id6762325527/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | — |
| Monetization | Ad-supported | **Free** |
| Size | 48 MB | 1 MB |
| Requires iOS | **14.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Barbero Carbonell](https://appshunter.io/developer/1511168059) | [Dan Sokolsky](https://appshunter.io/developer/1893825460) |

## What reviewers say

### Sudoku 21A

[App page](https://appshunter.io/ios/app/sudoku-21a/id1554695823)

Challenge your brain with a free Sudoku app offering multiple difficulty levels and two engaging game modes. Compete against yourself or friends online with an endless supply of puzzles and helpful aids.

**Highlights:** Six difficulty levels, Individual game mode, Online multiplayer mode, Infinite Sudoku combinations, In-game clues, Customizable features, Smart aids

**In-app purchases:** none


### SharedSudoku

[App page](https://appshunter.io/ios/app/sharedsudoku/id6762325527)

Enjoy classic Sudoku puzzles in solo, competitive, or cooperative modes. Sharpen your skills, race against others online, or collaborate on a shared board with real-time move tracking and color-coded contributions.

**Highlights:** Solo, competitive, and cooperative play, Three difficulty levels, Online multiplayer, Real-time collaboration, Detailed game statistics, Pencil marks and number highlighting

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku 21A free?

Sudoku 21A is free to download, with no in-app purchases.

### Is SharedSudoku free?

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

### Which has better reviews, Sudoku 21A or SharedSudoku?

SharedSudoku is rated higher. Sudoku 21A averages 1.0 out of 5 from 2 ratings, while SharedSudoku averages 5.0 from 1 ratings.

### Do Sudoku 21A or SharedSudoku have ads?

Sudoku 21A shows ads; SharedSudoku 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.*