# GridLinx vs Screw World

The clearest difference is in-app purchases: Screw World at none against GridLinx's 6. Screw World also leads on update cadence (every 2 days vs every 16 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GridLinx sells 6 one-off in-app purchases. Screw World asks for nothing beyond the download.

GridLinx ships an update every 16 months, Screw World every 2 days. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | GridLinx | Screw World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/screw-world/id6755988863/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 159 MB | 113 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Player1games Inc.](https://appshunter.io/developer/1040547964) | [杰 徐](https://appshunter.io/developer/1591390230) |

## What reviewers say

### GridLinx

[App page](https://appshunter.io/ios/app/gridlinx/id1458926332)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gridlinx Skins | $0.99 | one-time |
| Buy 10 time tokens | $0.99 | one-time |
| Buy 30 tokens special price | $0.99 | one-time |
| Gridlinx - No more ads special | $0.99 | one-time |
| No More Ads | $1.99 | one-time |
| Buy 30 time tokens | $1.99 | one-time |


### Screw World

[App page](https://appshunter.io/ios/app/screw-world/id6755988863)

Restore a silent planet by fixing its intricate mechanisms. As a master Screwsmith, your task is to reintroduce the heartbeat of this world by carefully placing screws.

**Highlights:** Restore planetary mechanics, Master Screwsmith gameplay, Intricate puzzle solving, Unique world restoration

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

**In-app purchases:** none


## Frequently asked questions

### Is GridLinx free?

GridLinx is free to download, with in-app purchases available.

### Is Screw World free?

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

### Do GridLinx or Screw World have ads?

Both GridLinx and Screw World show ads.

### Which is updated more often, GridLinx or Screw World?

GridLinx ships an update every 16 months, and Screw World every 2 days. Most recently, GridLinx was updated on October 12, 2026 and Screw World on October 8, 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.*