# Block Box Puzzle vs Under Construction Ext

Block Box Puzzle and Under Construction Ext are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Block Box Puzzle ships an update every 9 months, Under Construction Ext every 10 months. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Block Box Puzzle | Under Construction Ext |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/block-box-puzzle/id1322946154/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 10 months |
| Monetization | Free | — |
| Size | 101 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shiv Technolabs Private Limited](https://appshunter.io/developer/832444612) | [ryo itou](https://appshunter.io/developer/1435019729) |

## What reviewers say

### Block Box Puzzle

[App page](https://appshunter.io/ios/app/block-box-puzzle/id1322946154)

An intuitive and addictive block puzzle game where players drag and drop shapes to fill grids and create lines. Score points by clearing lines and aim to prevent the blocks from filling the screen in this endless arcade challenge.

**Highlights:** Intuitive drag-and-drop gameplay, Endless arcade mode, Line clearing mechanics, Score-based progression, Simple and addictive

**Features:** macOS Compatibility

**In-app purchases:** none


### Under Construction Ext

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Block Box Puzzle free?

Block Box Puzzle is free to download, with no in-app purchases.

### Is Under Construction Ext free?

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

### Do Block Box Puzzle or Under Construction Ext have ads?

Neither Block Box Puzzle nor Under Construction Ext shows ads.

### Which is updated more often, Block Box Puzzle or Under Construction Ext?

Block Box Puzzle ships an update every 9 months, and Under Construction Ext every 10 months. Most recently, Block Box Puzzle was updated on June 1, 2026 and Under Construction Ext on September 18, 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.*