# Screw Jam Master vs StrayDex

The clearest difference is update cadence: StrayDex at daily against Screw Jam Master's weekly. On price, ads, 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.

Screw Jam Master ships an update weekly, StrayDex daily. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Screw Jam Master | StrayDex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (246 ratings)](https://appshunter.io/ios/app/screw-jam-master-nuts-puzzle/id6677018495/reviews)** | — |
| Number of ratings | **246** | — |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | Ad-supported | — |
| Size | 274 MB | 94 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [燕 肖](https://appshunter.io/developer/1767256079) | [Robert Gorak](https://appshunter.io/developer/1785648865) |

## What reviewers say

### Screw Jam Master

[App page](https://appshunter.io/ios/app/screw-jam-master-nuts-puzzle/id6677018495)

Engage your intellect in a challenging puzzle game where you strategically unscrew nuts and bolts. Progress through thousands of levels, unlock new models, and experience the excitement of solving intricate screw-based challenges. This game offers a unique way to train your brain and relieve stress.

**Highlights:** Unscrew nuts and bolts to solve puzzles, Thousands of levels to master, Unlock new levels and models, Train your brain, Stress relief, Beautiful color screw models

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun to pass time
- 👍 Challenging but beatable
- 👍 Peaceful and relaxing
- 👍 Good for destressing
- 👍 Interesting game

**What reviewers complain about**

-  광고 Excessive ads
- ⏳ Long ads
- 😠 Ads interrupt gameplay
- 👎 Ads are intrusive
- 😵 Ads are unavoidable

**Reported bugs**

- Game freezing
- App crashing
- Glitching after refresh
- Ads not closing
- Levels are unwinnable

**Requested features**

- Option to skip ads
- Remove ad banner
- No ads option
- Polish language support


### StrayDex

[App page](https://appshunter.io/ios/app/straydex-catch-cats/id6787630499)

**In-app purchases:** none


## Frequently asked questions

### Is Screw Jam Master free?

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

### Is StrayDex free?

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

### Do Screw Jam Master or StrayDex have ads?

Both Screw Jam Master and StrayDex show ads.

### Which is updated more often, Screw Jam Master or StrayDex?

Screw Jam Master ships an update weekly, and StrayDex daily. Most recently, Screw Jam Master was updated on October 30, 2026 and StrayDex on November 5, 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.*