# Screw Shift Logic vs Mathrid

The clearest difference is in-app purchases: Screw Shift Logic at none against Mathrid's 3. Screw Shift Logic also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mathrid sells 3 in-app purchases, starting at $1.49 per month. Screw Shift Logic asks for nothing beyond the download.

Screw Shift Logic ships an update monthly, Mathrid every 5 weeks. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Screw Shift Logic | Mathrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (153 ratings)](https://appshunter.io/ios/app/screw-shift-logic/id6761550586/reviews)** | — |
| Number of ratings | **153** | — |
| Positive reviews | 18.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Ad-supported | — |
| Size | 260 MB | 45 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Harshita Singhal](https://appshunter.io/developer/1873964486) | [Sulton Gafurov](https://appshunter.io/developer/1869050446) |

## What reviewers say

### Screw Shift Logic

[App page](https://appshunter.io/ios/app/screw-shift-logic/id6761550586)

Test your speed and logic in this puzzle game where you must match colored screws by tapping buttons to generate them. Plan your sequence carefully to ensure perfect color and order matches as the conveyor belt moves your platform upwards. Master increasingly complex challenges and new mechanics to succeed.

**Highlights:** Conveyor-based puzzle mechanics, Match colored screws, Tap to generate screws, Gradually increasing difficulty, Addictive logic gameplay, Intuitive controls

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

**In-app purchases:** none


### Mathrid

[App page](https://appshunter.io/ios/app/mathrid-math-crossword/id6789456849)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mathrid Premium Monthly | $1.49 | per month |
| Mathrid Premium Yearly | $4.99 | per year |
| Mathrid Premium Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Screw Shift Logic free?

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

### Is Mathrid free?

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

### Do Screw Shift Logic or Mathrid have ads?

Both Screw Shift Logic and Mathrid show ads.

### Which is updated more often, Screw Shift Logic or Mathrid?

Screw Shift Logic ships an update monthly, and Mathrid every 5 weeks. Most recently, Screw Shift Logic was updated on October 18, 2026 and Mathrid on October 11, 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.*