# Color Tower vs Screw Machine

The clearest difference is review sentiment: Screw Machine at 67% against Color Tower's 25%. Screw Machine also leads on rating (4.9 vs 4.7) and update cadence (every 4 days vs every 9 days). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Screw Machine holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 392 and 378 respectively. Written reviews point the same way: 25% of Color Tower's written reviews are positive against 67% of Screw Machine's.

Color Tower ships an update every 9 days, Screw Machine every 4 days. Both last shipped on October 13, 2026.

## The numbers

| Metric | Color Tower | Screw Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (392 ratings)](https://appshunter.io/ios/app/color-tower-stack-puzzle/id6769769313/reviews) | **[4.9 (378 ratings)](https://appshunter.io/ios/app/screw-machine/id6801033982/reviews)** |
| Number of ratings | **392** | 378 |
| Positive reviews | 25.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 364 MB | 329 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SayGames LTD](https://appshunter.io/developer/1551847165) | [Twist Games](https://appshunter.io/developer/1854442218) |

## What reviewers say

### 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 |


### Screw Machine

[App page](https://appshunter.io/ios/app/screw-machine/id6801033982)

A unique color-sorting puzzle game where you manage screws on a spinning machine. Tap panels to release screws and match them to their colored plates before the rail overloads. Features special mechanics like mystery plates and gates for added challenge.

**Highlights:** Spinning machine sorting mechanic, Color-matching screw puzzles, Tap-to-release screw panels, Special game-changing parts (mystery plates, gates), Offline play, No timer or move counter

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Coins | $1.99 | one-time |
| Fail Offer | $4.99 | one-time |
| 5000 Coins | $7.99 | one-time |
| No Ads | $7.99 | one-time |
| Small Bundle | $9.99 | one-time |
| No Ads Bundle | $12.99 | one-time |
| 10000 Coins | $14.99 | one-time |
| Medium Bundle | $19.99 | one-time |
| Large Bundle | $29.99 | one-time |
| Mega Bundle | $49.99 | one-time |


## Frequently asked questions

### Is Color Tower free?

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

### Is Screw Machine free?

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

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

Screw Machine is rated higher. Color Tower averages 4.7 out of 5 from 392 ratings, while Screw Machine averages 4.9 from 378 ratings.

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

Both Color Tower and Screw Machine show ads.

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

Color Tower ships an update every 9 days, and Screw Machine every 4 days. Most recently, Color Tower was updated on October 13, 2026 and Screw Machine on October 13, 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.*