# BlockMatrix vs Mellow Isle

The clearest difference is in-app purchases: BlockMatrix at none against Mellow Isle's 1. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Mellow Isle sells 1 one-off in-app purchase. BlockMatrix asks for nothing beyond the download.

BlockMatrix ships an update weekly, Mellow Isle every 8 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | BlockMatrix | Mellow Isle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mellow-isle-nonogram-puzzle/id6797111939/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 53 MB | 15 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DNTech7consulting Co., Ltd.](https://appshunter.io/developer/314785526) | [ChanGyu Kang](https://appshunter.io/developer/1869205578) |

## What reviewers say

### BlockMatrix

[App page](https://appshunter.io/ios/app/blockmatrixthink-in-blocks/id6747108752)

A logic-based block puzzle game where you use numerical clues to deduce the location of hidden blocks. It offers a unique challenge distinct from Sudoku or Nonograms, with progressive difficulty levels for all skill sets.

**Highlights:** Logic-based block deduction, Numerical clues for placement, Progressive difficulty levels, Original puzzle mechanics, Immersive puzzle experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Mellow Isle

[App page](https://appshunter.io/ios/app/mellow-isle-nonogram-puzzle/id6797111939)

Engage in a calming pixel art puzzle experience. Solve logic challenges to reveal charming images and gradually build a serene island landscape. Enjoy a relaxing gameplay loop with progress tracking and helpful hints.

**Highlights:** 125 nonogram puzzles, Pixel art reveals, Island building progression, Puzzle of the Day, Logic hints and guidance, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mellow Isle Pro | $1.99 | one-time |


## Frequently asked questions

### Is BlockMatrix free?

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

### Is Mellow Isle free?

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

### Do BlockMatrix or Mellow Isle have ads?

Both BlockMatrix and Mellow Isle show ads.

### Which is updated more often, BlockMatrix or Mellow Isle?

BlockMatrix ships an update weekly, and Mellow Isle every 8 days. Most recently, BlockMatrix was updated on November 5, 2026 and Mellow Isle on November 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.*