# Screw Master vs Bus Screw

The clearest difference is review sentiment: Bus Screw at 100% against Screw Master's 0%. Bus Screw also leads on rating (4.9 vs 1.5) and ratings volume (513 vs 2). Screw Master's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Screw Master sells 10 one-off in-app purchases and Bus Screw sells 14 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Bus Screw holds the better App Store score, 4.9 against 1.5. That said, the two scores are not equally well evidenced: Bus Screw has 513 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Screw Master's written reviews are positive against 100% of Bus Screw's.

Screw Master ships an update every 3 days, Bus Screw every 3 weeks. The most recent releases landed on October 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Screw Master | Bus Screw |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/screw-master-jam-3d/id6738903649/reviews) | **[4.9 (513 ratings)](https://appshunter.io/ios/app/bus-screw/id6740393718/reviews)** |
| Number of ratings | 2 | **513** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 200 MB | 266 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Minh Nguyen](https://appshunter.io/developer/1673895144) | [PIXON PTE. LTD.](https://appshunter.io/developer/1623992860) |

## What reviewers say

### Screw Master

[App page](https://appshunter.io/ios/app/screw-master-jam-3d/id6738903649)

Engage in a unique 3D puzzle experience with nuts and bolts. Tap and rotate to solve challenges, unlock new levels, and enjoy vivid graphics. This game offers a fun and engaging way to test your problem-solving skills.

**Highlights:** Tap and rotate nuts and bolts, 3D pin puzzle mechanics, Various challenges and difficulty, Vivid 3D graphics, Unlock new art levels, Customizable 3D map angles

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.49 | one-time |
| Gold Pack 1 | $1.99 | one-time |
| Great Bundle | $3.99 | one-time |
| Gold Pack 2 | $4.99 | one-time |
| Remove Ads Pack | $5.99 | one-time |
| Ultra Bundle | $9.99 | one-time |
| Gold Pack 3 | $9.99 | one-time |
| Gold Pack 4 | $19.99 | one-time |
| Gold Pack 5 | $39.99 | one-time |
| Legendary Bundle | $49.99 | one-time |


### Bus Screw

[App page](https://appshunter.io/ios/app/bus-screw/id6740393718)

Engage your logic and strategy skills in this puzzle game where you unscrew nuts and clear boards. Featuring diverse gameplay and rising difficulty, it offers a relaxing ASMR experience with vibrant graphics and no timers.

**Highlights:** Unscrew nuts and clear boards, Logical thinking and strategy required, Diverse gameplay with rising difficulty, Vivid graphics and animation, ASMR experience with relaxing sounds, No timers for relaxed play

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recovery Kit 1 | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Coin 1 | $2.99 | one-time |
| Coin 2 | $4.99 | one-time |
| Remove Ads | $6.99 | one-time |
| Recovery Kit 2 | $6.99 | one-time |
| Revive Pack | $7.99 | one-time |
| Super Bundle | $9.99 | one-time |
| Coin 3 | $9.99 | one-time |
| No ads pack | $12.99 | one-time |
| Mega Bundle | $19.99 | one-time |
| Coin 4 | $29.99 | one-time |
| Coin 5 | $49.99 | one-time |
| Coin 6 | $59.99 | one-time |


## Frequently asked questions

### Is Screw Master free?

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

### Is Bus Screw free?

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

### Which has better reviews, Screw Master or Bus Screw?

Bus Screw is rated higher. Screw Master averages 1.5 out of 5 from 2 ratings, while Bus Screw averages 4.9 from 513 ratings.

### Do Screw Master or Bus Screw have ads?

Both Screw Master and Bus Screw show ads.

### Which is updated more often, Screw Master or Bus Screw?

Screw Master ships an update every 3 days, and Bus Screw every 3 weeks. Most recently, Screw Master was updated on October 2, 2026 and Bus Screw on October 24, 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.*