# Unlock Jam vs Screw Shift

Unlock Jam and Screw Shift 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 | Unlock Jam | Screw Shift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 3 days |
| Size | 114 MB | 115 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mehmet Fatih Sahin](https://appshunter.io/developer/1700697055) | [Mousetap LTD](https://appshunter.io/developer/1714251771) |

## What reviewers say

### Unlock Jam

[App page](https://appshunter.io/ios/app/unlock-jam/id6566186181)

**Features:** macOS Compatibility

**In-app purchases:** none


### Screw Shift

[App page](https://appshunter.io/ios/app/screw-shift/id6742127090)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unlock Jam free?

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

### Is Screw Shift free?

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

### Do Unlock Jam or Screw Shift have ads?

Both Unlock Jam and Screw Shift 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.*