# Slender Threads vs Sudoku Chaos Zone

The clearest difference is rating: Sudoku Chaos Zone at 5.0 against Slender Threads's 4.6. Sudoku Chaos Zone also leads on iOS requirement (17.6 vs 26.0). Slender Threads's advantage is ratings volume (527 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Slender Threads sells 3 one-off in-app purchases and Sudoku Chaos Zone sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sudoku Chaos Zone holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Slender Threads has 527 ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | Slender Threads | Sudoku Chaos Zone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (527 ratings)](https://appshunter.io/ios/app/slender-threads/id1495344386/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-chaos-zone/id6763826161/reviews)** |
| Number of ratings | **527** | 2 |
| Positive reviews | 82.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 3.0 GB | 64 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Blyts](https://appshunter.io/developer/454180365) | [Milezone Studios LLC](https://appshunter.io/developer/1885034630) |

## What reviewers say

### Slender Threads

[App page](https://appshunter.io/ios/app/slender-threads/id1495344386)

Embark on a point-and-click adventure as Harvey Green, who discovers his recurring nightmare might predict his inescapable fate. Explore a peculiar town, interact with strange characters, and solve puzzles to prevent his visions from becoming reality.

**Highlights:** Point-and-click exploration, Dialogue and puzzle-solving, Curious tale with twists and humor, Voice-acted characters, Hand-drawn 2D/3D art, Haunting original score

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 30 tickets | $0.99 | one-time |
| Buy 100 tickets | $2.99 | one-time |
| Full Game | $9.99 | one-time |


### Sudoku Chaos Zone

[App page](https://appshunter.io/ios/app/sudoku-chaos-zone/id6763826161)

Engage in a classic Sudoku experience with a modern, clean interface. Enjoy daily challenges, smart assistance, and progress tracking to sharpen your logic skills. Perfect for both new and experienced players seeking a relaxing yet rewarding brain workout.

**Highlights:** Daily Sudoku challenges, Clean and easy-to-use design, Smart auto-complete feature, Helpful hint system, Progress tracking and streaks, Relaxing gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads + Theme Color | $2.99 | one-time |


## Frequently asked questions

### Is Slender Threads free?

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

### Is Sudoku Chaos Zone free?

Sudoku Chaos Zone is free to download, with in-app purchases available.

### Which has better reviews, Slender Threads or Sudoku Chaos Zone?

Sudoku Chaos Zone is rated higher. Slender Threads averages 4.6 out of 5 from 527 ratings, while Sudoku Chaos Zone averages 5.0 from 2 ratings.

### Do Slender Threads or Sudoku Chaos Zone have ads?

Neither Slender Threads nor Sudoku Chaos Zone shows ads.

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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.*