# Sudoku Blocks vs SigBrix

The clearest difference is in-app purchases: Sudoku Blocks at none against SigBrix's 1. Sudoku Blocks also leads on update cadence (every 2 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SigBrix sells 1 one-off in-app purchase. Sudoku Blocks asks for nothing beyond the download.

Sudoku Blocks ships an update every 2 weeks, SigBrix every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Sudoku Blocks | SigBrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (75 ratings)](https://appshunter.io/ios/app/sudoku-blocks-brain-games/id1541586232/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 72 MB | 414 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [衍旋 廖](https://appshunter.io/developer/1489801990) | [ROSE METAL PRODUCTS, INC.](https://appshunter.io/developer/1526085087) |

## What reviewers say

### Sudoku Blocks

[App page](https://appshunter.io/ios/app/sudoku-blocks-brain-games/id1541586232)

This game combines Sudoku and block puzzle mechanics on a 9x9 grid. Strategically place blocks to complete lines and squares, aiming for combos and streaks to achieve high scores. It offers a relaxing yet challenging brain-training experience for all ages.

**Highlights:** Sudoku and block puzzle hybrid, 9x9 grid gameplay, Line and square completion, Combo and streak scoring, No time limit, Theme customization, Blast Mode

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

**In-app purchases:** none


### SigBrix

[App page](https://appshunter.io/ios/app/sigbrix/id1575115299)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Sudoku Blocks free?

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

### Is SigBrix free?

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

### Do Sudoku Blocks or SigBrix have ads?

Both Sudoku Blocks and SigBrix show ads.

### Which is updated more often, Sudoku Blocks or SigBrix?

Sudoku Blocks ships an update every 2 weeks, and SigBrix every 6 weeks. Most recently, Sudoku Blocks was updated on November 3, 2026 and SigBrix 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.*