# Under Construction Ext vs Puzzle Maker World

The clearest difference is in-app purchases: Under Construction Ext at none against Puzzle Maker World's 3. Under Construction Ext also leads on ads (none vs shown). Puzzle Maker World's advantage is update cadence (every 3 days vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Puzzle Maker World sells 3 in-app purchases, starting at $1.99 per month. Under Construction Ext asks for nothing beyond the download.

Under Construction Ext ships an update every 10 months, Puzzle Maker World every 3 days. The most recent releases landed on September 18, 2026 and June 27, 2026 respectively.

## The numbers

| Metric | Under Construction Ext | Puzzle Maker World |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 3 days** |
| Size | 29 MB | 84 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ryo itou](https://appshunter.io/developer/1435019729) | [KAI MIYAKAWA](https://appshunter.io/developer/1833136075) |

## What reviewers say

### Under Construction Ext

[App page](https://appshunter.io/ios/app/under-construction-ext/id1461739765)

**Features:** macOS Compatibility

**In-app purchases:** none


### Puzzle Maker World

[App page](https://appshunter.io/ios/app/puzzle-maker-world/id6761503461)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Creater's Pass | $1.99 | per month |
| Diving Pass | $1.99 | per month |
| Master Pass | $1.99 | per month |


## Frequently asked questions

### Is Under Construction Ext free?

Under Construction Ext is free to download, with no in-app purchases.

### Is Puzzle Maker World free?

Puzzle Maker World is free to download, with in-app purchases available.

### Do Under Construction Ext or Puzzle Maker World have ads?

Puzzle Maker World shows ads; Under Construction Ext does not.

### Which is updated more often, Under Construction Ext or Puzzle Maker World?

Under Construction Ext ships an update every 10 months, and Puzzle Maker World every 3 days. Most recently, Under Construction Ext was updated on September 18, 2026 and Puzzle Maker World on June 27, 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.*