# Cube BlockDuku Puzzle Game vs ComboBlock

The clearest difference is in-app purchases: ComboBlock at none against Cube BlockDuku Puzzle Game's 1. ComboBlock also leads on iOS requirement (13.0 vs 16.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cube BlockDuku Puzzle Game sells 1 one-off in-app purchase. ComboBlock asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cube BlockDuku Puzzle Game | ComboBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/cube-blockduku-puzzle-game/id1667671270/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 30 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Neil McGrogan](https://appshunter.io/developer/1519545314) | [ANIL KURTARAN](https://appshunter.io/developer/1595554573) |

## What reviewers say

### Cube BlockDuku Puzzle Game

[App page](https://appshunter.io/ios/app/cube-blockduku-puzzle-game/id1667671270)

A free and addictive brain game that challenges your mind with Sudoku-style block placement. The objective is to fill a grid by strategically placing blocks to complete rows, columns, and 3x3 squares without repetition. It's easy to pick up but offers a deep challenge for players of all ages.

**Highlights:** Sudoku-style block placement, Grid-based puzzle challenges, Easy to learn, difficult to master, Suitable for all ages, Brain training gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### ComboBlock

[App page](https://appshunter.io/ios/app/comboblock/id6755146773)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cube BlockDuku Puzzle Game free?

Cube BlockDuku Puzzle Game is free to download, with in-app purchases available.

### Is ComboBlock free?

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

### Do Cube BlockDuku Puzzle Game or ComboBlock have ads?

Neither Cube BlockDuku Puzzle Game nor ComboBlock shows ads.

### Which is updated more often, Cube BlockDuku Puzzle Game or ComboBlock?

Cube BlockDuku Puzzle Game ships an update every 4 days, and ComboBlock every 4 days. Most recently, Cube BlockDuku Puzzle Game was updated on October 24, 2026 and ComboBlock on October 25, 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.*