# Sudoku Puzzle vs Case Open

The clearest difference is rating: Case Open at 5.0 against Sudoku Puzzle's 4.5. Case Open also leads on update cadence (monthly vs every 28 months) and review sentiment (80% vs 56%). Sudoku Puzzle's advantage is ratings volume (196 vs 7) and iOS requirement (9.0 vs 11.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Case Open holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sudoku Puzzle has 196 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 56% of Sudoku Puzzle's written reviews are positive against 80% of Case Open's.

Sudoku Puzzle ships an update every 28 months, Case Open monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sudoku Puzzle | Case Open |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (196 ratings)](https://appshunter.io/ios/app/sudoku-puzzle-classic/id1350664579/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/case-open/id1526458669/reviews)** |
| Number of ratings | **196** | 7 |
| Positive reviews | 55.6% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Monthly** |
| Monetization | Free | Free |
| Size | 26 MB | 30 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Reeba Sebastian](https://appshunter.io/developer/1281813035) | [Cornelis Aerts](https://appshunter.io/developer/1542831728) |

## What reviewers say

### Sudoku Puzzle

[App page](https://appshunter.io/ios/app/sudoku-puzzle-classic/id1350664579)

Enjoy a classic Sudoku experience with a clean, paper-like design. This app offers unlimited puzzles across three difficulty levels, with optional hints and error checking. It provides a distraction-free, elegant way to play your favorite number puzzle.

**Highlights:** Paper-like design, Unlimited puzzles, 3 difficulty levels, Optional error checking, Hints available, Leaderboard integration

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

**In-app purchases:** none


### Case Open

[App page](https://appshunter.io/ios/app/case-open/id1526458669)

Guide Casey through over 400 puzzle levels to collect coins and reach the exit. This game offers a stress-free, offline experience with no ads or in-app purchases, perfect for casual play.

**Highlights:** 400+ puzzle levels, Collect coins to reach exit, No time stress or lives, Completely free with no ads, Offline gameplay, Help section and walkthroughs

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Puzzle free?

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

### Is Case Open free?

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

### Which has better reviews, Sudoku Puzzle or Case Open?

Case Open is rated higher. Sudoku Puzzle averages 4.5 out of 5 from 196 ratings, while Case Open averages 5.0 from 7 ratings.

### Do Sudoku Puzzle or Case Open have ads?

Neither Sudoku Puzzle nor Case Open shows ads.

### Which is updated more often, Sudoku Puzzle or Case Open?

Sudoku Puzzle ships an update every 28 months, and Case Open monthly. Most recently, Sudoku Puzzle was updated on November 2, 2026 and Case Open on November 3, 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.*