# Screw Town 3D vs Only When Green

The clearest difference is in-app purchases: Only When Green at none against Screw Town 3D's 10. Screw Town 3D's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Screw Town 3D sells 10 one-off in-app purchases. Only When Green asks for nothing beyond the download.

Screw Town 3D ships an update every 4 weeks, Only When Green every 2 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Screw Town 3D | Only When Green |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2K ratings)](https://appshunter.io/ios/app/screw-town-3d/id6749612203/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 469 MB | 5 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [PIXON PTE. LTD.](https://appshunter.io/developer/1623992860) | [IMEDSENSE SDN. BHD.](https://appshunter.io/developer/1849974114) |

## What reviewers say

### Screw Town 3D

[App page](https://appshunter.io/ios/app/screw-town-3d/id6749612203)

Engage your brain with a 3D puzzle game where you unscrew pins, nuts, and bolts. Strategize to sort screws into correct boxes and overcome intricate level designs for endless fun and relaxation.

**Highlights:** 3D puzzle mode, Unscrew pins from every angle, Sort nuts and bolts into correct boxes, Intricately designed levels, Unlock rewards and power-ups, Match and sort screws by color

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coin | $1.99 | one-time |
| Piggy Bank | $4.99 | one-time |
| Drill Pack | $4.99 | one-time |
| Clear Pack | $4.99 | one-time |
| Break glass Pack | $4.99 | one-time |
| Daily Offer | $4.99 | one-time |
| Revive Offer 1 | $4.99 | one-time |
| Medium Coin | $6.99 | one-time |
| Starter Pack | $6.99 | one-time |
| Remove Ads Pack | $9.99 | one-time |


### Only When Green

[App page](https://appshunter.io/ios/app/only-when-green/id6780594103)

**In-app purchases:** none


## Frequently asked questions

### Is Screw Town 3D free?

Screw Town 3D is free to download, with in-app purchases available.

### Is Only When Green free?

Only When Green is free to download, with no in-app purchases.

### Do Screw Town 3D or Only When Green have ads?

Only When Green shows ads; Screw Town 3D does not.

### Which is updated more often, Screw Town 3D or Only When Green?

Screw Town 3D ships an update every 4 weeks, and Only When Green every 2 weeks. Most recently, Screw Town 3D was updated on October 30, 2026 and Only When Green on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*