# *SUDOKU vs Tangled Lines 3D!

The clearest difference is in-app purchases: Tangled Lines 3D! at none against *SUDOKU's 10. *SUDOKU's advantage is ads (none vs shown) and iOS requirement (8.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. *SUDOKU sells 10 one-off in-app purchases. Tangled Lines 3D! asks for nothing beyond the download.

## The numbers

| Metric | *SUDOKU | Tangled Lines 3D! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (113 ratings)](https://appshunter.io/ios/app/sudoku/id463774685/reviews)** | — |
| Number of ratings | **113** | — |
| Positive reviews | 90.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 33 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 147 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sarah Pierce](https://appshunter.io/developer/406813189) | [Full Fat Productions Ltd](https://appshunter.io/developer/374306144) |

## What reviewers say

### *SUDOKU

[App page](https://appshunter.io/ios/app/sudoku/id463774685)

This app is designed for new players to learn Sudoku. It offers a gradual learning curve with small puzzles and visual aids for rules. Progress through nine difficulty levels and master the game with a variety of puzzle sizes and a progress tracker.

**Highlights:** Gradual learning curve, Visual rule explanations, Nine difficulty levels, Multiple puzzle sizes, Progress tracking view, 60 free puzzles

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4x4 Easy Puzzle Pack | $0.99 | one-time |
| 6x6 Easy Puzzle Pack | $0.99 | one-time |
| 9x9 Easy Puzzle Pack | $0.99 | one-time |
| 4x4 Medium Puzzle Pack | $0.99 | one-time |
| 4x4 Hard Puzzle Pack | $0.99 | one-time |
| 6x6 Medium Puzzle Pack | $0.99 | one-time |
| 6x6 Hard Puzzle Pack | $0.99 | one-time |
| 9x9 Medium Puzzle Pack | $0.99 | one-time |
| 9x9 Hard Puzzle Pack | $0.99 | one-time |
| Mega Puzzle Pack | $2.99 | one-time |

**What reviewers like**

- 👍 Excellent learning tool for beginners
- 📈 Progressive difficulty levels build confidence
- 🧠 Helps keep mind sharp and active
- 🎯 Clear and easy-to-understand instructions
- ✨ Intuitive user interface

**What reviewers complain about**

- 📢 Pop-up ads can be annoying
- 🐛 Compatibility issues with iOS 14.2+
- 📱 No landscape mode option
- 🔧 Limited strategy hints and explanations
- ⚙️ Lacks automatic pencil feature

**Reported bugs**

- App crashes on iOS 14.2 and later
- App fails to open on Apple iOS devices
- Installation failures on first attempt
- Game progress issues and slowness

**Requested features**

- Landscape orientation mode
- More comprehensive strategy hints
- Automatic pencil feature for note-taking
- Ability to select multiple squares with single number
- Sound muting option for ad audio


### Tangled Lines 3D!

[App page](https://appshunter.io/ios/app/tangled-lines-3d/id6471268934)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is *SUDOKU free?

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

### Is Tangled Lines 3D! free?

Tangled Lines 3D! is free to download, with no in-app purchases.

### Do *SUDOKU or Tangled Lines 3D! have ads?

Tangled Lines 3D! shows ads; *SUDOKU does not.

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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.*