# KuDoKu & Blocks vs 3DMelon

The clearest difference is ads: KuDoKu & Blocks at none against 3DMelon's shown. KuDoKu & Blocks also leads on iOS requirement (12.0 vs 14.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KuDoKu & Blocks | 3DMelon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kudoku-and-blocks/id1541520440/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free | — |
| Size | 13 MB | 189 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [玉龙 曹](https://appshunter.io/developer/670590166) | [DANIEL DEL CASTILLO](https://appshunter.io/developer/576998059) |

## What reviewers say

### KuDoKu & Blocks

[App page](https://appshunter.io/ios/app/kudoku-and-blocks/id1541520440)

A classic block puzzle game where you drop blocks onto a 9x9 grid to fill lines and squares. The game offers hours of fun without time limits or Wi-Fi requirements, perfect for relaxing and training your brain.

**Highlights:** Drop blocks on a 9x9 grid, Fill lines and squares, No rotation of blocks, No time limits, Offline play (no Wi-Fi needed), Classic block puzzle gameplay

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

**In-app purchases:** none


### 3DMelon

[App page](https://appshunter.io/ios/app/3dmelon/id6476709380)

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

**In-app purchases:** none


## Frequently asked questions

### Is KuDoKu & Blocks free?

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

### Is 3DMelon free?

3DMelon is free to download, with no in-app purchases.

### Do KuDoKu & Blocks or 3DMelon have ads?

3DMelon shows ads; KuDoKu & Blocks does not.

### Which is updated more often, KuDoKu & Blocks or 3DMelon?

KuDoKu & Blocks ships an update every 4 days, and 3DMelon every 4 days. Most recently, KuDoKu & Blocks was updated on October 7, 2026 and 3DMelon on October 6, 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.*