# Screw Nuts Puzzle vs Block Line

The clearest difference is in-app purchases: Block Line at none against Screw Nuts Puzzle's 9. Block Line also leads on update cadence (every 8 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Screw Nuts Puzzle sells 9 one-off in-app purchases. Block Line asks for nothing beyond the download.

Screw Nuts Puzzle ships an update every 3 weeks, Block Line every 8 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Screw Nuts Puzzle | Block Line |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 274 MB | 20 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kavin Dash](https://appshunter.io/developer/1396314916) | [youngji seo](https://appshunter.io/developer/1889708862) |

## What reviewers say

### Screw Nuts Puzzle

[App page](https://appshunter.io/ios/app/screw-nuts-puzzle/id1437964900)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 10 coins | $0.99 | one-time |
| Get 15 rubies | $0.99 | one-time |
| Get 30 coins | $2.99 | one-time |
| Get 45 rubies | $2.99 | one-time |
| Get 60 coins | $4.99 | one-time |
| Get 90 rubies | $4.99 | one-time |
| Get 130 coins | $9.99 | one-time |
| Get 2500 coins | $19.99 | one-time |
| Get 600 coins | $29.99 | one-time |


### Block Line

[App page](https://appshunter.io/ios/app/block-line/id6767807627)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screw Nuts Puzzle free?

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

### Is Block Line free?

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

### Do Screw Nuts Puzzle or Block Line have ads?

Both Screw Nuts Puzzle and Block Line show ads.

### Which is updated more often, Screw Nuts Puzzle or Block Line?

Screw Nuts Puzzle ships an update every 3 weeks, and Block Line every 8 days. Most recently, Screw Nuts Puzzle was updated on October 26, 2026 and Block Line on October 28, 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.*