# Hyper Sudoku vs 9BLOCK

The clearest difference is in-app purchases: 9BLOCK at none against Hyper Sudoku's 3. 9BLOCK also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.2). Hyper Sudoku's advantage is update cadence (every 3 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Hyper Sudoku sells 3 in-app purchases, starting at $2.99 per month. 9BLOCK asks for nothing beyond the download.

Hyper Sudoku ships an update every 3 days, 9BLOCK every 3 weeks. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Hyper Sudoku | 9BLOCK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/9block-memory-game/id6785684483/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 29 MB | 23 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) | [Duncan Fondren](https://appshunter.io/developer/6785684485) |

## What reviewers say

### Hyper Sudoku

[App page](https://appshunter.io/ios/app/hyper-sudoku/id6757954294)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | per month |
| Pro | $24.99 | per year |
| Pro | $2.99 | one-time |


### 9BLOCK

[App page](https://appshunter.io/ios/app/9block-memory-game/id6785684483)

This minimalist game challenges your visual recall and focus by requiring you to memorize the order of numbers on nine blocks. It's a quick, engaging experience that's easy to learn but difficult to master.

**Highlights:** Memorize number order, Tap numbers 1-9, Improve longest streak, Ranked progression, Customize blocks and reveal time, Track personal bests

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

**In-app purchases:** none


## Frequently asked questions

### Is Hyper Sudoku free?

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

### Is 9BLOCK free?

9BLOCK is free to download, with no in-app purchases.

### Do Hyper Sudoku or 9BLOCK have ads?

Hyper Sudoku shows ads; 9BLOCK does not.

### Which is updated more often, Hyper Sudoku or 9BLOCK?

Hyper Sudoku ships an update every 3 days, and 9BLOCK every 3 weeks. Most recently, Hyper Sudoku was updated on October 1, 2026 and 9BLOCK on September 30, 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.*