# Screw Jam vs Wrist Rock

The clearest difference is update cadence: Screw Jam at every 2 days against Wrist Rock's fortnightly. Screw Jam also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Screw Jam ships an update every 2 days, Wrist Rock fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Screw Jam | Wrist Rock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 29 MB | 19 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [娟 方](https://appshunter.io/developer/1721196690) | [Robert Phillips](https://appshunter.io/developer/383433191) |

## What reviewers say

### Screw Jam

[App page](https://appshunter.io/ios/app/screw-jam/id6737548469)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wrist Rock

[App page](https://appshunter.io/ios/app/wrist-rock/id6740347546)

**In-app purchases:** none


## Frequently asked questions

### Is Screw Jam free?

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

### Is Wrist Rock free?

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

### Do Screw Jam or Wrist Rock have ads?

Both Screw Jam and Wrist Rock show ads.

### Which is updated more often, Screw Jam or Wrist Rock?

Screw Jam ships an update every 2 days, and Wrist Rock fortnightly. Most recently, Screw Jam was updated on October 25, 2026 and Wrist Rock on October 25, 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.*