# Sudoku ′

> Sudoku free of distraction

Canonical page: [https://chrome-stats.com/d/id408188960](https://chrome-stats.com/d/id408188960)

## Overview

- **ID:** `id408188960`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Mind The Frog, Inc.
- **Category:** Puzzle
- **Rating:** 4.70 / 5 (38,446 ratings)
- **Version:** 3.9.8
- **Last updated:** 2025-06-20
- **First published:** 2010-12-16
- **Size:** 6.13 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sudoku/id408188960)
- **Website:** [http://mindthefrog.com/en/](http://mindthefrog.com/en/)
- **Privacy policy:** [http://mindthefrog.com/en/privacy.html](http://mindthefrog.com/en/privacy.html)

## Description

Sudoku for beginners and seasoned players alike, offering unlimited grids online or offline, and six difficulty levels from easy to diabolical. Enjoy a distraction-free experience with a fast, compact, finger-friendly interface.

Powerful features include Undo/Redo, up to 10 concurrent grids, automatic and manual notes, conflict and error highlighting, and fully customizable input and display. It works across iPad, iPhone, and iPod touch with Retina-quality visuals. For feature requests and feedback, email help@mindthefrog.com.

## Rankings

- #7,498 — Overall

## Review summary

The app is praised as a fun, easy-to-use Sudoku that many players enjoy and rely on, but suffers from pervasive ads, monetization changes, and reliability issues due to glitches and updates. Some UI/notes features are lacking. Overall, it’s a strong puzzle experience that is hampered by ad overload and periodic stability problems.

### Pros

- Fun, engaging, and relaxing Sudoku experience that many players enjoy and return to.
- Easy to use and accessible, allowing quick entry into gameplay.
- Longstanding app with loyal users who view it as a preferred Sudoku choice.

### Cons

- Intrusive and disruptive ads; content is slowed by ads and some users want a paid option to remove them.
- Glitches/bugs and data loss or regression after updates, reducing reliability.
- Monetization changes and ad-supported model, which frustrate long-time users.
- Notes and UI features are incomplete or unclear (notes feature lacking, box delineation, undo/backspace requests).

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Source: [Chrome-Stats](https://chrome-stats.com/d/id408188960)