# Impossible Museum Scratch vs Unscrew Workshop 3D

The clearest difference is rating: Impossible Museum Scratch at 5.0 against Unscrew Workshop 3D's 3.3. Impossible Museum Scratch also leads on update cadence (every 2 days vs every 4 days). Unscrew Workshop 3D's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Impossible Museum Scratch sells 8 in-app purchases, starting at $4.99 per 7 days and Unscrew Workshop 3D sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Impossible Museum Scratch holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Impossible Museum Scratch ships an update every 2 days, Unscrew Workshop 3D every 4 days. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Impossible Museum Scratch | Unscrew Workshop 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/impossible-museum-scratch-off/id6790538488/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/unscrew-workshop-3d/id6803953428/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 129 MB | 1.1 GB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Lucky Echo Labs, Inc.](https://appshunter.io/developer/1781128888) | [NOVA GAMES LLP](https://appshunter.io/developer/6778116182) |

## What reviewers say

### Impossible Museum Scratch

[App page](https://appshunter.io/ios/app/impossible-museum-scratch-off/id6790538488)

Unearth ancient artifacts, meticulously restore them by scratching away layers of grime, and display your discoveries in your own virtual museum. Explore diverse historical locations to find rare treasures and crack open geodes for precious gems.

**Highlights:** Scratch and restore artifacts, Dig for treasures in historical locations, Crack open geodes, Build and manage your museum, Daily login rewards and jobs, Subscription for ad-free experience

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Museum Pass (Weekly) | $4.99 | per 7 days |
| Museum Pass (Monthly) | $14.99 | per month |
| A Quiet Week | $0.99 | one-time |
| Pouch of Funds | $1.99 | one-time |
| Satchel of Funds | $4.99 | one-time |
| Crate of Funds | $9.99 | one-time |
| Patron of the Museum | $9.99 | one-time |
| Vault of Funds | $19.99 | one-time |


### Unscrew Workshop 3D

[App page](https://appshunter.io/ios/app/unscrew-workshop-3d/id6803953428)

Engage in satisfying logic puzzles by unscrewing colorful bolts. Reveal hidden 3D objects and solve challenges by clearing layers in the correct order. Plan your moves strategically to master each intricate structure.

**Highlights:** Colorful bolt-unscrewing puzzles, Reveal hidden 3D objects, Logic and order challenges, Simple one-tap controls, Helpful boosters, Bright visuals and satisfying movement

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Box Pack 4 | $0.99 | one-time |
| Box Pack 3 | $1.99 | one-time |
| Tri Pack 1 | $2.99 | one-time |
| Tri Pack 2 | $4.99 | one-time |
| Tri Pack 5 | $4.99 | one-time |
| Tri Pack 3 | $9.99 | one-time |
| Tri Pack 6 | $9.99 | one-time |
| Tri Pack 4 | $14.99 | one-time |
| Tri Pack 7 | $19.99 | one-time |
| Tri Pack 8 | $29.99 | one-time |


## Frequently asked questions

### Is Impossible Museum Scratch free?

Impossible Museum Scratch is free to download, with in-app purchases available.

### Is Unscrew Workshop 3D free?

Unscrew Workshop 3D is free to download, with in-app purchases available.

### Which has better reviews, Impossible Museum Scratch or Unscrew Workshop 3D?

Impossible Museum Scratch is rated higher. Impossible Museum Scratch averages 5.0 out of 5 from 1 ratings, while Unscrew Workshop 3D averages 3.3 from 3 ratings.

### Do Impossible Museum Scratch or Unscrew Workshop 3D have ads?

Both Impossible Museum Scratch and Unscrew Workshop 3D show ads.

### Which is updated more often, Impossible Museum Scratch or Unscrew Workshop 3D?

Impossible Museum Scratch ships an update every 2 days, and Unscrew Workshop 3D every 4 days. Most recently, Impossible Museum Scratch was updated on October 11, 2026 and Unscrew Workshop 3D on October 9, 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.*