# Sky Stack vs Nonogram

The clearest difference is ads: Nonogram at none against Sky Stack's shown. Nonogram also leads on iOS requirement (13.0 vs 15.0). On price, 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.

## The numbers

| Metric | Sky Stack | Nonogram |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Size | 104 MB | 64 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Mehmet Resat Senel](https://appshunter.io/developer/1867533935) | [云鹏 黄](https://appshunter.io/developer/1894905059) |

## What reviewers say

### Sky Stack

[App page](https://appshunter.io/ios/app/sky-stack-tower-builder/id6761363764)

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

**In-app purchases:** none


### Nonogram

[App page](https://appshunter.io/ios/app/nonogram-logic-puzzle-game/id6781212167)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sky Stack free?

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

### Is Nonogram free?

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

### Do Sky Stack or Nonogram have ads?

Sky Stack shows ads; Nonogram does not.

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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.*