# Sky Stack vs せかいちずパズル

The clearest difference is ads: せかいちずパズル at none against Sky Stack's shown. Sky Stack's advantage is update cadence (every 3 days vs every 5 weeks) and iOS requirement (15.0 vs 17.0). 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.

Sky Stack ships an update every 3 days, せかいちずパズル every 5 weeks. Both last shipped on October 3, 2026.

## The numbers

| Metric | Sky Stack | せかいちずパズル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Size | 104 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Mehmet Resat Senel](https://appshunter.io/developer/1867533935) | [Naoki Chiba](https://appshunter.io/developer/1895372512) |

## 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


### せかいちずパズル

[App page](https://appshunter.io/ios/app/id6790808380)

**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 せかいちずパズル free?

せかいちずパズル is free to download, with no in-app purchases.

### Do Sky Stack or せかいちずパズル have ads?

Sky Stack shows ads; せかいちずパズル does not.

### Which is updated more often, Sky Stack or せかいちずパズル?

Sky Stack ships an update every 3 days, and せかいちずパズル every 5 weeks. Most recently, Sky Stack was updated on October 3, 2026 and せかいちずパズル on October 3, 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.*