# Sudoku 9 vs BockOJam

The clearest difference is in-app purchases: BockOJam at none against Sudoku 9's 2. BockOJam also leads on ads (none vs shown) and update cadence (every 3 days vs every 4 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sudoku 9 sells 2 one-off in-app purchases. BockOJam asks for nothing beyond the download.

Sudoku 9 ships an update every 4 weeks, BockOJam every 3 days. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sudoku 9 | BockOJam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (21 ratings)](https://appshunter.io/ios/app/sudoku-9/id403191170/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 89.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 49 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gyuhyeon Jeon](https://appshunter.io/developer/353770805) | [SmartArts Informatikai Beteti Tarsasag](https://appshunter.io/developer/1629874304) |

## What reviewers say

### Sudoku 9

[App page](https://appshunter.io/ios/app/sudoku-9/id403191170)

Engage in a variety of Sudoku puzzles with infinite levels and daily global competitions. Features include auto-saving, hints, memo functions, and social sharing options. Track your progress and compete on worldwide leaderboards.

**Highlights:** 5 types of Sudoku games, Daily worldwide Sudoku competition, Infinite puzzles at all levels, Auto-saving and unlimited undo/redo, Memo for candidate numbers, Hint function, Game Center integration for rankings

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint 50 | $0.99 | one-time |
| No Advertisement | $2.99 | one-time |


### BockOJam

[App page](https://appshunter.io/ios/app/bockojam/id6755728105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku 9 free?

Sudoku 9 is free to download, with in-app purchases available.

### Is BockOJam free?

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

### Do Sudoku 9 or BockOJam have ads?

Sudoku 9 shows ads; BockOJam does not.

### Which is updated more often, Sudoku 9 or BockOJam?

Sudoku 9 ships an update every 4 weeks, and BockOJam every 3 days. Most recently, Sudoku 9 was updated on November 6, 2026 and BockOJam on October 28, 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.*