# Stack Art 3D vs Nostalgic sliding (15) puzzle

The clearest difference is update cadence: Stack Art 3D at monthly against Nostalgic sliding (15) puzzle's every 7 months. Stack Art 3D also leads on iOS requirement (10.0 vs 12.0). 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.

Stack Art 3D ships an update monthly, Nostalgic sliding (15) puzzle every 7 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | Stack Art 3D | Nostalgic sliding (15) puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 7 months |
| Size | 322 MB | 38 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manh Cuong](https://appshunter.io/developer/1276211807) | [Yutaroh Kubo](https://appshunter.io/developer/1612912672) |

## What reviewers say

### Stack Art 3D

[App page](https://appshunter.io/ios/app/stack-art-3d/id1556545260)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nostalgic sliding (15) puzzle

[App page](https://appshunter.io/ios/app/nostalgic-sliding-15-puzzle/id6450313600)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Art 3D free?

Stack Art 3D is free to download, with no in-app purchases.

### Is Nostalgic sliding (15) puzzle free?

Nostalgic sliding (15) puzzle is free to download, with no in-app purchases.

### Do Stack Art 3D or Nostalgic sliding (15) puzzle have ads?

Both Stack Art 3D and Nostalgic sliding (15) puzzle show ads.

### Which is updated more often, Stack Art 3D or Nostalgic sliding (15) puzzle?

Stack Art 3D ships an update monthly, and Nostalgic sliding (15) puzzle every 7 months. Most recently, Stack Art 3D was updated on October 6, 2026 and Nostalgic sliding (15) puzzle 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.*