# Worm Stack vs Shape Screw Jam

The clearest difference is in-app purchases: Shape Screw Jam at none against Worm Stack's 12. Shape Screw Jam also leads on iOS requirement (12.0 vs 15.0). Worm Stack's advantage is update cadence (every 2 weeks vs every 3 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Worm Stack sells 12 one-off in-app purchases. Shape Screw Jam asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Worm Stack against 4.6 for Shape Screw Jam. Both are backed by a comparable volume of ratings — 1.7K and 1.2K respectively. Written reviews are what separate them: 52% of Worm Stack's written reviews are positive against 56% of Shape Screw Jam's.

Worm Stack ships an update every 2 weeks, Shape Screw Jam every 3 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Worm Stack | Shape Screw Jam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/worm-stack-tap-away-3d/id6458926778/reviews)** | [4.6 (1.2K ratings)](https://appshunter.io/ios/app/shape-screw-jam-wood-nuts/id6514304555/reviews) |
| Number of ratings | **1.7K** | 1.2K |
| Positive reviews | 52.2% of reviews | **55.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 255 MB | 237 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Black Candy LLC](https://appshunter.io/developer/1055971513) | [GOODROID,Inc.](https://appshunter.io/developer/951688937) |

## What reviewers say

### 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


### Shape Screw Jam

[App page](https://appshunter.io/ios/app/shape-screw-jam-wood-nuts/id6514304555)

Untwist screws and sort them into their correct boxes to complete sets. This puzzle game challenges your problem-solving skills with a relaxing, no-time-limit experience. Strategically remove screws to progress through levels and master the art of mechanical sorting.

**Highlights:** Untwist screws, Sort screws into correct boxes, Complete screw sets, Remove screws in correct order, No time limit, Relaxing gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Worm Stack free?

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

### Is Shape Screw Jam free?

Shape Screw Jam is free to download, with no in-app purchases.

### Which has better reviews, Worm Stack or Shape Screw Jam?

Worm Stack is rated higher. Worm Stack averages 4.7 out of 5 from 1.7K ratings, while Shape Screw Jam averages 4.6 from 1.2K ratings.

### Do Worm Stack or Shape Screw Jam have ads?

Both Worm Stack and Shape Screw Jam show ads.

### Which is updated more often, Worm Stack or Shape Screw Jam?

Worm Stack ships an update every 2 weeks, and Shape Screw Jam every 3 months. Most recently, Worm Stack was updated on October 21, 2026 and Shape Screw Jam on October 15, 2026.

---

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