# Sudoku ′ vs Sudoku·

The clearest difference is in-app purchases: Sudoku· at none against Sudoku ′'s 1. Sudoku ′'s advantage is review sentiment (81% vs 66%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Sudoku ′ sells 1 one-off in-app purchase. Sudoku· asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Sudoku ′ against 4.7 for Sudoku·. Both are backed by a comparable volume of ratings — 39K and 17K respectively. Written reviews are what separate them: 81% of Sudoku ′'s written reviews are positive against 66% of Sudoku·'s.

Sudoku ′ ships an update every 3 months, Sudoku· every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Sudoku ′ | Sudoku· |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (39K ratings)](https://appshunter.io/ios/app/sudoku/id408188960/reviews)** | [4.7 (17K ratings)](https://appshunter.io/ios/app/sudoku/id839681682/reviews) |
| Number of ratings | **39K** | 17K |
| Positive reviews | **81.3% of reviews** | 65.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 6 MB | 42 MB |
| Requires iOS | **12.4** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mind The Frog, Inc.](https://appshunter.io/developer/329981779) | [Tim O's Studios, LLC](https://appshunter.io/developer/412839685) |

## What reviewers say

### Sudoku ′

[App page](https://appshunter.io/ios/app/sudoku/id408188960)

Engage with an unlimited supply of Sudoku puzzles, playable online or offline. This app offers six difficulty levels, daily challenges, and a clean, user-friendly interface designed for both novice and expert players. Enjoy a distraction-free experience with customizable settings and essential tools like undo/redo and note-taking.

**Highlights:** Unlimited Sudoku grids, Offline play, 6 difficulty levels, Daily challenges, Undo/Redo functionality, Automatic and manual notes, Conflict and error highlighting

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🧠 Challenging levels
- 🎨 Customizable colors
- 📝 Helpful note-taking feature
- 🔍 Number highlighting

**What reviewers complain about**

- 🔍 Confusing note-taking behavior
- 🔍 Difficulty level jumps
- 🔍 Ads interrupting gameplay
- 🔍 Lack of progress tracking
- 🔍 Unstable on some devices

**Reported bugs**

- Puzzle errors
- App crashes
- Incorrect number placement
- Sideways orientation on tablets

**Requested features**

- Ability to stay in note mode
- More granular difficulty levels
- Mute option for ads
- Progress tracking and statistics
- Improved stability on older devices


### Sudoku·

[App page](https://appshunter.io/ios/app/sudoku/id839681682)

Engage your mind with a classic Sudoku puzzle game. Enjoy a clean interface and multiple difficulty levels. Track your progress and compete with others.

**Highlights:** Daily Challenge, Multiple difficulty levels, Note taking, Hint system, Highlight incorrect values, Individual statistics, Game Center leaderboard

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Excellent sudoku game
- 👍 Easy to use and understand
- 🧠 Helps exercise the brain
- 💤 Relaxing and calming

**What reviewers complain about**

- 🙄 Excessive ads and interruptions
- ⏱️ Ads affect game timer
- 🔇 Cannot mute or control audio
- 🐛 Bugs and crashes

**Reported bugs**

- Game freezes or crashes after updates
- Timer issues due to ads
- Difficulty closing ads or navigating UI
- Incompatibility with newer devices

**Requested features**

- Option to pay for ad-free version
- Ability to pause and restart games
- More detailed performance tracking
- Customizable color themes


## Frequently asked questions

### Is Sudoku ′ free?

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

### Is Sudoku· free?

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

### Which has better reviews, Sudoku ′ or Sudoku·?

Sudoku ′ is rated higher. Sudoku ′ averages 4.7 out of 5 from 39K ratings, while Sudoku· averages 4.7 from 17K ratings.

### Do Sudoku ′ or Sudoku· have ads?

Both Sudoku ′ and Sudoku· show ads.

### Which is updated more often, Sudoku ′ or Sudoku·?

Sudoku ′ ships an update every 3 months, and Sudoku· every 2 months. Most recently, Sudoku ′ was updated on October 25, 2026 and Sudoku· on October 25, 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.*