# Worm Stack vs Twisted Knots

The clearest difference is review sentiment: Worm Stack at 52% against Twisted Knots's 17%. Twisted Knots's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Worm Stack sells 12 one-off in-app purchases and Twisted Knots sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Worm Stack ships an update every 2 weeks, Twisted Knots every 3 weeks. The most recent releases landed on October 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Worm Stack | Twisted Knots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/worm-stack-tap-away-3d/id6458926778/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | **52.2% of reviews** | 16.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 255 MB | 241 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | +17 |
| Developer | [Black Candy LLC](https://appshunter.io/developer/1055971513) | [Playense](https://appshunter.io/developer/1373864376) |

## 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


### Twisted Knots

[App page](https://appshunter.io/ios/app/twisted-knots-tangled-master/id6469707752)

Engage in a captivating puzzle adventure where you untangle complex rope configurations within limited moves. Showcase strategic thinking and become a master untangler with mesmerizing visuals and brain-teasing challenges.

**Highlights:** Untangle complex rope configurations, Limited moves per level, Mesmerizing visuals, Intuitive swipe/tap controls, Brain-teasing challenges, Strategic thinking required

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Member | $9.99 | per 7 days |
| Remove Ad | $9.99 | one-time |
| Premium Pack | $17.99 | one-time |


## Frequently asked questions

### Is Worm Stack free?

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

### Is Twisted Knots free?

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

### Do Worm Stack or Twisted Knots have ads?

Both Worm Stack and Twisted Knots show ads.

### Which is updated more often, Worm Stack or Twisted Knots?

Worm Stack ships an update every 2 weeks, and Twisted Knots every 3 weeks. Most recently, Worm Stack was updated on October 1, 2026 and Twisted Knots on September 8, 2026.

---

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