# Screw Unlock vs Color Tower

Screw Unlock and Color Tower both sit at 4.8 stars, but that hides the real split: 44% of Screw Unlock's written reviews are positive against 25% of Color Tower's. Color Tower's advantage is update cadence (every 9 days vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Screw Unlock sells 15 one-off in-app purchases and Color Tower sells 14 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Screw Unlock against 4.7 for Color Tower. Both are backed by a comparable volume of ratings — 528 and 392 respectively. Written reviews are what separate them: 44% of Screw Unlock's written reviews are positive against 25% of Color Tower's.

Screw Unlock ships an update every 3 weeks, Color Tower every 9 days. Both last shipped on October 17, 2026.

## The numbers

| Metric | Screw Unlock | Color Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (528 ratings)](https://appshunter.io/ios/app/screw-unlock/id6759782070/reviews)** | [4.7 (392 ratings)](https://appshunter.io/ios/app/color-tower-stack-puzzle/id6769769313/reviews) |
| Number of ratings | **528** | 392 |
| Positive reviews | **44.4% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 336 MB | 364 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PIXON PTE. LTD.](https://appshunter.io/developer/1623992860) | [SayGames LTD](https://appshunter.io/developer/1551847165) |

## What reviewers say

### Screw Unlock

[App page](https://appshunter.io/ios/app/screw-unlock/id6759782070)

A logic-based board puzzle where you slide blocks to strategically remove all screws. Progress through increasingly complex levels by planning your moves and finding efficient solutions. Enjoy a satisfying and engaging experience suitable for quick play sessions.

**Highlights:** Slide-based puzzle gameplay, Unlock and remove screws, Increasing difficulty, Smooth drag mechanics, Satisfying progression, Relaxing yet engaging

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 1 | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Limited Offer | $3.99 | one-time |
| Revive Pack | $4.99 | one-time |
| No Ads | $6.99 | one-time |
| Coin Pack 2 | $7.99 | one-time |
| Bronze Pack | $8.99 | one-time |
| No Ads VIP | $9.99 | one-time |
| Booster Pack | $9.99 | one-time |
| Coin Pack 3 | $13.99 | one-time |
| Coin Pack 4 | $29.99 | one-time |
| Platinum Pack | $49.99 | one-time |
| Coin Pack 5 | $52.99 | one-time |
| Legend Pack | $94.99 | one-time |
| Coin Pack 6 | $98.99 | one-time |


### Color Tower

[App page](https://appshunter.io/ios/app/color-tower-stack-puzzle/id6769769313)

Engage in a satisfying stacking puzzle where you sort shapes by size, color, and form to build perfect towers. This logic-based game challenges your planning and space management skills with increasingly complex levels.

**Highlights:** Shape sorting by size, color, and form, Strategic space management, Unique box system for random shapes, Satisfying tower building progression, Increasingly complex levels, Relaxing gameplay with clean visuals

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins | $1.99 | one-time |
| Coins | $5.99 | one-time |
| No ads | $7.99 | one-time |
| Starter pack | $8.99 | one-time |
| Coins | $9.99 | one-time |
| Beginner Bundle | $9.99 | one-time |
| Starter pack | $11.99 | one-time |
| Great Bundle | $22.99 | one-time |
| Coins | $29.99 | one-time |
| Epic Bundle | $34.99 | one-time |
| Coins | $59.99 | one-time |
| Super Bundle | $59.99 | one-time |
| Coins | $99.99 | one-time |
| Ultra Bundle | $99.99 | one-time |


## Frequently asked questions

### Is Screw Unlock free?

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

### Is Color Tower free?

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

### Which has better reviews, Screw Unlock or Color Tower?

Screw Unlock is rated higher. Screw Unlock averages 4.8 out of 5 from 528 ratings, while Color Tower averages 4.7 from 392 ratings.

### Do Screw Unlock or Color Tower have ads?

Both Screw Unlock and Color Tower show ads.

### Which is updated more often, Screw Unlock or Color Tower?

Screw Unlock ships an update every 3 weeks, and Color Tower every 9 days. Most recently, Screw Unlock was updated on October 17, 2026 and Color Tower on October 17, 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.*