# Sudoku9 Pro vs 『ルービックケージ』

The clearest difference is review sentiment: Sudoku9 Pro at 71% against 『ルービックケージ』's 0%. Sudoku9 Pro also leads on rating (4.7 vs 1.0) and ratings volume (20 vs 1). 『ルービックケージ』's advantage is price (Free vs $2.99) and ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

『ルービックケージ』 is free to download; Sudoku9 Pro costs $2.99 up front. Sudoku9 Pro sells 1 one-off in-app purchase and 『ルービックケージ』 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sudoku9 Pro holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Sudoku9 Pro has 20 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Sudoku9 Pro's written reviews are positive against 0% of 『ルービックケージ』's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sudoku9 Pro | 『ルービックケージ』 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.7 (20 ratings)](https://appshunter.io/ios/app/sudoku9-pro/id386917779/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/rubikcage/id1532628589/reviews) |
| Number of ratings | **20** | 1 |
| Positive reviews | **70.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 22 MB | 106 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gyuhyeon Jeon](https://appshunter.io/developer/353770805) | [Shuhei Edagawa](https://appshunter.io/developer/1528506569) |

## What reviewers say

### Sudoku9 Pro

[App page](https://appshunter.io/ios/app/sudoku9-pro/id386917779)

Engage in a variety of Sudoku puzzles with infinite possibilities and adjustable difficulty levels. Compete globally, track your progress, and utilize helpful tools like auto-saving and candidate memos. Enjoy a rich, feature-filled puzzle experience.

**Highlights:** 5 types of Sudoku games, Daily world Sudoku competitions, Infinite puzzles at all levels, Auto-saving and memo functions, Unlimited undo/redo, Game Center integration for rankings, Hint function

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint 50 | $0.99 | one-time |


### 『ルービックケージ』

[App page](https://appshunter.io/ios/app/rubikcage/id1532628589)

A two-player strategy game where players take turns placing colored cubes into a 3x3x3 cage. The goal is to be the first to align three cubes of the same color vertically, horizontally, or diagonally. Players can also rotate sections of the cage or flip it entirely.

**Highlights:** 3D cube placement, Cage rotation, Cage flipping, Online multiplayer, Turn-based strategy, Time limits for online play

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ルービックケージ　広告非表示プラン | $2.99 | one-time |
| RubikCage 開発を応援する | $2.99 | one-time |


## Frequently asked questions

### Is Sudoku9 Pro free?

Sudoku9 Pro costs $2.99, and also offers in-app purchases.

### Is 『ルービックケージ』 free?

『ルービックケージ』 is free to download, with in-app purchases available.

### Which has better reviews, Sudoku9 Pro or 『ルービックケージ』?

Sudoku9 Pro is rated higher. Sudoku9 Pro averages 4.7 out of 5 from 20 ratings, while 『ルービックケージ』 averages 1.0 from 1 ratings.

### Do Sudoku9 Pro or 『ルービックケージ』 have ads?

Sudoku9 Pro shows ads; 『ルービックケージ』 does not.

### Which is updated more often, Sudoku9 Pro or 『ルービックケージ』?

Sudoku9 Pro ships an update every 2 months, and 『ルービックケージ』 every 2 months. Most recently, Sudoku9 Pro was updated on November 6, 2026 and 『ルービックケージ』 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.*