# Screw Loop Puzzle vs Stack Surge

The clearest difference is ads: Stack Surge at none against Screw Loop Puzzle's shown. Screw Loop Puzzle's advantage is update cadence (weekly vs every 2 months) and iOS requirement (13.0 vs 15.1). 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.

Screw Loop Puzzle ships an update weekly, Stack Surge every 2 months. The most recent releases landed on September 11, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Screw Loop Puzzle | Stack Surge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Size | 204 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Fatih Sahin](https://appshunter.io/developer/1700697055) | [Ahmet Emre CAKMAK](https://appshunter.io/developer/1877092106) |

## What reviewers say

### Screw Loop Puzzle

[App page](https://appshunter.io/ios/app/screw-loop-puzzle/id6759278433)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Surge

[App page](https://appshunter.io/ios/app/stack-surge-block-tower/id6761648364)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screw Loop Puzzle free?

Screw Loop Puzzle is free to download, with no in-app purchases.

### Is Stack Surge free?

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

### Do Screw Loop Puzzle or Stack Surge have ads?

Screw Loop Puzzle shows ads; Stack Surge does not.

### Which is updated more often, Screw Loop Puzzle or Stack Surge?

Screw Loop Puzzle ships an update weekly, and Stack Surge every 2 months. Most recently, Screw Loop Puzzle was updated on September 11, 2026 and Stack Surge on September 12, 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.*