# Double Canfield Solitaire vs Sudoku Blocks

The clearest difference is rating: Sudoku Blocks at 4.6 against Double Canfield Solitaire's 2.3. Sudoku Blocks also leads on update cadence (fortnightly vs every 10 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Sudoku Blocks holds the better App Store score, 4.6 against 2.3. Both are backed by a comparable volume of ratings — 3 and 5 respectively.

Double Canfield Solitaire ships an update every 10 months, Sudoku Blocks fortnightly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Double Canfield Solitaire | Sudoku Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/double-canfield-solitaire/id1120964908/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/sudoku-blocks/id6443567882/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 18 MB | 106 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MmpApps Corp.](https://appshunter.io/developer/400209427) | [PLAYERS.ONE LTDA](https://appshunter.io/developer/1647228900) |

## What reviewers say

### Double Canfield Solitaire

[App page](https://appshunter.io/ios/app/double-canfield-solitaire/id1120964908)

Experience a fun twist on a classic card game with two decks. Enjoy four free variations, each offering a unique challenge and increased winnability compared to the single-deck version. Perfect for quick, engaging gameplay.

**Highlights:** Two-deck Canfield solitaire, Four free variations, Easier to win, Classic mode, Naked mode (revealed reserve), Relaxed mode (mixed suits), Flex mode (no auto-fill)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sudoku Blocks

[App page](https://appshunter.io/ios/app/sudoku-blocks/id6443567882)

This puzzle game combines Sudoku and block-matching mechanics on a 9x9 grid. Strategically place blocks to clear lines and squares, aiming for high scores and combos. Enjoy a relaxing yet challenging experience to exercise your brain.

**Highlights:** Sudoku and block puzzle combination, 9x9 board gameplay, Line and square clearing mechanics, Combo and streak scoring, Global ranking and leaderboards, Dark and light modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Double Canfield Solitaire free?

Double Canfield Solitaire is free to download, with no in-app purchases.

### Is Sudoku Blocks free?

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

### Which has better reviews, Double Canfield Solitaire or Sudoku Blocks?

Sudoku Blocks is rated higher. Double Canfield Solitaire averages 2.3 out of 5 from 3 ratings, while Sudoku Blocks averages 4.6 from 5 ratings.

### Do Double Canfield Solitaire or Sudoku Blocks have ads?

Both Double Canfield Solitaire and Sudoku Blocks show ads.

### Which is updated more often, Double Canfield Solitaire or Sudoku Blocks?

Double Canfield Solitaire ships an update every 10 months, and Sudoku Blocks fortnightly. Most recently, Double Canfield Solitaire was updated on October 9, 2026 and Sudoku Blocks on October 7, 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.*