# Screw Factory! vs Sync Rift

The clearest difference is ads: Sync Rift at none against Screw Factory!'s shown. Screw Factory!'s advantage is iOS requirement (12.0 vs 15). 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.

## The numbers

| Metric | Screw Factory! | Sync Rift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3K ratings)](https://appshunter.io/ios/app/screw-factory/id6740887396/reviews)** | — |
| Number of ratings | **3K** | — |
| Positive reviews | 22.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Monetization | Ad-supported | — |
| Size | 204 MB | 7 MB |
| Requires iOS | **12.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [GOODROID,Inc.](https://appshunter.io/developer/951688937) | [珺瑞 王](https://appshunter.io/developer/1861829279) |

## What reviewers say

### Screw Factory!

[App page](https://appshunter.io/ios/app/screw-factory/id6740887396)

Engage in a captivating puzzle game where you strategically sort nuts onto bolts. Manage a continuous flow of nuts from a conveyor belt, testing your problem-solving and strategic thinking skills to pack and ship them all.

**Highlights:** Strategic nut sorting onto bolts, Manage conveyor belt nut production, Test strategic thinking, Compete with friends, Relaxing puzzle experience

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Interesting game concept
- 💡 Helps keep brain active

**What reviewers complain about**

- 🐛 Graphic issues prevent progress
- 🔍 Shuffle button overlaps gameplay
- 💰 Excessive ads and in-app purchases

**Reported bugs**

- Cannot select bolts near shuffle button
- Shuffle tool does not work as expected
- Levels become unplayable due to graphic overlaps

**Requested features**

- Fix graphic issues on lower levels
- Improve shuffle button placement
- Reduce number of ads and make in-app purchases more reasonable


### Sync Rift

[App page](https://appshunter.io/ios/app/sync-rift-balance-loop/id6760806721)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screw Factory! free?

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

### Is Sync Rift free?

Sync Rift is free to download, with no in-app purchases.

### Do Screw Factory! or Sync Rift have ads?

Screw Factory! shows ads; Sync Rift does not.

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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.*