# NumberSkeleton vs Nonogram  Puzzle master

The clearest difference is update cadence: NumberSkeleton at every 3 days against Nonogram  Puzzle master's every 8 days. Nonogram  Puzzle master's advantage is iOS requirement (13.0 vs 17.6). On price, ads, 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.

NumberSkeleton ships an update every 3 days, Nonogram  Puzzle master every 8 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NumberSkeleton | Nonogram  Puzzle master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/nonogram-puzzle-master/id6762338199/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | — | Ad-supported |
| Size | 7 MB | 208 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenichi Nakagawa](https://appshunter.io/developer/1831663034) | [Beijing Lebosky Technology Co., Ltd](https://appshunter.io/developer/1684696787) |

## What reviewers say

### NumberSkeleton

[App page](https://appshunter.io/ios/app/numberskeleton/id6749665224)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nonogram  Puzzle master

[App page](https://appshunter.io/ios/app/nonogram-puzzle-master/id6762338199)

Engage your logic with a vast collection of picture cross puzzles. Reveal hidden pixel art by filling in grids based on number clues. Enjoy offline play, mini-games, and a relaxing fantasy world without interruptions.

**Highlights:** 3000+ logic grid puzzles, Pixel art reveals, Offline play, Brain-boosting gameplay, Dynamic mini-games, Cozy fantasy world

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

**In-app purchases:** none


## Frequently asked questions

### Is NumberSkeleton free?

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

### Is Nonogram  Puzzle master free?

Nonogram  Puzzle master is free to download, with no in-app purchases.

### Do NumberSkeleton or Nonogram  Puzzle master have ads?

Both NumberSkeleton and Nonogram  Puzzle master show ads.

### Which is updated more often, NumberSkeleton or Nonogram  Puzzle master?

NumberSkeleton ships an update every 3 days, and Nonogram  Puzzle master every 8 days. Most recently, NumberSkeleton was updated on October 15, 2026 and Nonogram  Puzzle master on October 7, 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.*