# Clean vs Worm Stack

The clearest difference is update cadence: Worm Stack at every 2 weeks against Clean's every 5 weeks. Worm Stack also leads on ratings volume (1.7K vs 375). Clean's advantage is iOS requirement (10.0 vs 15.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Clean sells 1 one-off in-app purchase and Worm Stack sells 12 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 — 4.6 for Clean against 4.7 for Worm Stack. Both are backed by a comparable volume of ratings — 375 and 1.7K respectively. Written reviews are what separate them: 50% of Clean's written reviews are positive against 52% of Worm Stack's.

Clean ships an update every 5 weeks, Worm Stack every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Clean | Worm Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (375 ratings)](https://appshunter.io/ios/app/clean-up-3d/id1506596057/reviews) | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/worm-stack-tap-away-3d/id6458926778/reviews)** |
| Number of ratings | 375 | **1.7K** |
| Positive reviews | 50.0% of reviews | **52.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 117 MB | 255 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Christoph Muller](https://appshunter.io/developer/1029759942) | [Black Candy LLC](https://appshunter.io/developer/1055971513) |

## What reviewers say

### Clean

[App page](https://appshunter.io/ios/app/clean-up-3d/id1506596057)

Control two vacuum cleaners working together to clear islands of waste.  Embark on a mission to clean up the world and restore its beauty.

**Highlights:** Cooperative cleaning gameplay, Island cleanup missions, World-saving objective, Control two vacuum cleaners

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Worm Stack

[App page](https://appshunter.io/ios/app/worm-stack-tap-away-3d/id6458926778)

Untangle colorful worms by tapping them to make them fly away. Rotate 3D mazes to find the best strategy and solve increasingly complex puzzles. This addictive game sharpens logic and critical thinking skills with its engaging gameplay and adorable graphics.

**Highlights:** Tap worms to make them fly away, Rotate 3D mazes, Progressive challenges with complex mazes, Strategic move planning, Adorable graphics and animations

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Banner | $0.99 | one-time |
| Coins (500) | $0.99 | one-time |
| Coins(350) | $1.99 | one-time |
| Coins (1500) | $1.99 | one-time |
| Safety net | $2.99 | one-time |
| Special Offer | $2.99 | one-time |
| Coins (3000) | $2.99 | one-time |
| No Banner Package | $3.99 | one-time |
| Coins(1600) | $7.99 | one-time |
| Coins(3500) | $14.99 | one-time |
| Coins(17500) | $54.99 | one-time |
| Coins(35000) | $99.99 | one-time |

**What reviewers like**

- 👍 Fun game
- 🚀 No ads

**What reviewers complain about**

- 🐛 Game gets stuck frequently
- 🐛 Designs repeat, need more variety
- 🐛 Extras/skins not working after updates
- 🐛 Game freezes and crashes

**Reported bugs**

- Game gets stuck at certain levels
- Levels not loading or advancing properly
- Hint button disappearing after updates

**Requested features**

- New shapes and critters
- Pause/resume functionality
- Spending options for coins


## Frequently asked questions

### Is Clean free?

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

### Is Worm Stack free?

Worm Stack is free to download, with in-app purchases available.

### Which has better reviews, Clean or Worm Stack?

Worm Stack is rated higher. Clean averages 4.6 out of 5 from 375 ratings, while Worm Stack averages 4.7 from 1.7K ratings.

### Do Clean or Worm Stack have ads?

Both Clean and Worm Stack show ads.

### Which is updated more often, Clean or Worm Stack?

Clean ships an update every 5 weeks, and Worm Stack every 2 weeks. Most recently, Clean was updated on October 29, 2026 and Worm Stack on October 30, 2026.

---

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