# Logic Gate vs Screw Master

Logic Gate and Screw Master are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Logic Gate | Screw Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Size | 122 MB | 111 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [颖 杨](https://appshunter.io/developer/1888343270) | [荣 唐](https://appshunter.io/developer/1895991007) |

## What reviewers say

### Logic Gate

[App page](https://appshunter.io/ios/app/logic-gate-bug-zapper/id6764735922)

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

**In-app purchases:** none


### Screw Master

[App page](https://appshunter.io/ios/app/screw-master-gravity-release/id6770506348)

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

**In-app purchases:** none


## Frequently asked questions

### Is Logic Gate free?

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

### Is Screw Master free?

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

### Do Logic Gate or Screw Master have ads?

Both Logic Gate and Screw Master show ads.

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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.*