# Screw Puzzle vs PopBlocks3D

The clearest difference is in-app purchases: PopBlocks3D at none against Screw Puzzle's 2. PopBlocks3D also leads on update cadence (daily vs every 3 weeks). Screw Puzzle's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Screw Puzzle sells 2 one-off in-app purchases. PopBlocks3D asks for nothing beyond the download.

Screw Puzzle ships an update every 3 weeks, PopBlocks3D daily. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Screw Puzzle | PopBlocks3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 91 MB | 120 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Questar Games](https://appshunter.io/developer/1881730721) | [Richard Folea](https://appshunter.io/developer/6800581491) |

## What reviewers say

### Screw Puzzle

[App page](https://appshunter.io/ios/app/screw-puzzle-workshop/id6811466023)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Unlimited Mode | $4.99 | one-time |


### PopBlocks3D

[App page](https://appshunter.io/ios/app/popblocks3d-block-puzzle/id6817695198)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screw Puzzle free?

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

### Is PopBlocks3D free?

PopBlocks3D is free to download, with no in-app purchases.

### Do Screw Puzzle or PopBlocks3D have ads?

Both Screw Puzzle and PopBlocks3D show ads.

### Which is updated more often, Screw Puzzle or PopBlocks3D?

Screw Puzzle ships an update every 3 weeks, and PopBlocks3D daily. Most recently, Screw Puzzle was updated on November 6, 2026 and PopBlocks3D on October 31, 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.*