# Sudoku vs TURN.

The clearest difference is in-app purchases: TURN. at none against Sudoku's 11. TURN. also leads on update cadence (fortnightly vs every 3 months). Sudoku's advantage is ads (none vs shown) and iOS requirement (15.6 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Sudoku sells 11 one-off in-app purchases. TURN. asks for nothing beyond the download.

Sudoku ships an update every 3 months, TURN. fortnightly. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Sudoku | TURN. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/sudoku-classic-and-variations/id537201666/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 95.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 4 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Conceptis Ltd.](https://appshunter.io/developer/479420055) | [SHUNJI KUSAKA](https://appshunter.io/developer/1738810004) |

## What reviewers say

### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-classic-and-variations/id537201666)

Engage your mind with a variety of Sudoku puzzles, including classic and unique variations like Diagonal, Irregular, and OddEven. Offers a no-ads experience with features to aid gameplay and track progress. Perfect for logic puzzle enthusiasts seeking a mental challenge.

**Highlights:** Six Sudoku variations, No ads, Weekly bonus puzzles, Multiple difficulty levels, Graphic puzzle previews, Unlimited hints and undo, Dark Mode support

**Features:** Family Sharing, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Classic Easy 1 | $0.99 | one-time |
| Diagonal Medium 1 | $1.99 | one-time |
| Irregular Medium 1 | $1.99 | one-time |
| Classic Medium 1 | $1.99 | one-time |
| Classic Hard 1 | $1.99 | one-time |
| Diagonal Hard 1 | $1.99 | one-time |
| Irregular Hard 1 | $1.99 | one-time |
| OddEven Hard 1 | $1.99 | one-time |
| OddEven Medium 1 | $1.99 | one-time |
| Classic Devil 1 | $2.99 | one-time |
| Mega Medium 1 | $3.99 | one-time |

**What reviewers like**

- 👍 No ads
- 👍 Variety of puzzle types
- 👍 Intuitive interface
- 👍 Accurate difficulty ratings
- 👍 Ability to check for mistakes

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 💡 Desire for more free/cheaper puzzle packs
- 💡 Lack of dark mode option
- 💡 Wish for more daily/weekly free puzzles

**Reported bugs**

- Crashes or freezes
- Incompatibility with older devices
- Lack of color blind support

**Requested features**

- Dark mode option
- More free/variety puzzle packs
- Ability to discard used puzzles
- Hint feature to help when stuck
- Ability to highlight numbers in different colors


### TURN.

[App page](https://appshunter.io/ios/app/turn/id6758433456)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku free?

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

### Is TURN. free?

TURN. is free to download, with no in-app purchases.

### Do Sudoku or TURN. have ads?

TURN. shows ads; Sudoku does not.

### Which is updated more often, Sudoku or TURN.?

Sudoku ships an update every 3 months, and TURN. fortnightly. Most recently, Sudoku was updated on October 29, 2026 and TURN. on October 26, 2026.

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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.*