# Sudoka — Sudoku grids

> Ad-free Sudoku puzzle generator and solver with advanced training tools. (iPhone/iPad app by Vincent Lauliac.)

- Source: https://appshunter.io/ios/app/sudoka/id1530213365 (this page in markdown: same URL + `.md`)
- Developer: [Vincent Lauliac](https://appshunter.io/developer/1530213607)
- Category: Entertainment, Education
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 17 MB
- Languages: English, French
- Released: 2020-09-19
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sudoka/id1530213365/reviews.md

## What is Sudoka?

The essential application for any Sudoku enthusiast, beginner or experienced, without advertising or in-app purchases.

Resources
• integrated grid generators for three levels of solving difficulty (press one of the three loading buttons, red, orange or green on the upper banner)
• grid level indicator (round patch of the upper band), whether provided by the app or entered on the keyboard, based on the following classification:
  - 1) grids solved without indicating the candidates (generated by pressing a green button and identifiable by a green dot)
  - 2) grids requiring the removal of candidates registered in the same area (generated by pressing an orange button and identifiable by a dot of the same color)
  - 3) grids requiring, in order to remove candidates, to be based on candidates registered everywhere on this one (red dot and red button)
  - 4) grids requiring to force candidates to progress (not generated by this application but identifiable by a black dot)
Tools
• possibility of filling in the candidates in the cells if necessary (press the "pen" icon, present at the bottom left of the screen, before entering the keyboard)
• using your finger as a marker to highlight an area or a cell
• possibility of ignoring the steps requiring the use of a technique considered to be known (press the “fast forward” button)
• automatic writing of candidates in cells if desired (press on the “cell(s)” icon in the upper banner)
• possible recovery of the contents of a cell if error (press the “back” button)
Training
• documented solutions available with color highlighting of grid areas or cells (press the text box at the bottom of the screen for a "step by step" explanation, or press the "advance" button, located at the bottom right, for the solution to the current step)
• backtracking possible on each step after viewing a solution or displaying help so that the step in question can be taken alone (press the “back” button at the bottom left of the screen)
• presentation of the nineteen common methods used to solve a sudoku with many examples available for each method (press the “teacher hat” button located in the upper banner then press the desired method in the displayed list)
Getting started
• quick training button to use the application (press the "?" icon in the upper banner)
• detailed information panel for all features (press the "i" button on the button bar)
Help
• drop-down message for help finding a solution and using the application if desired (press the “teacher” icon located at the bottom right of the screen)
• indications for progress, without providing a solution, if you feel blocked (press on the text box at the bottom of the screen)
• solution at each resolution step if desired
Ergonomics
• position of the buttons on the sides for iPad and at the bottom of the screen for iPhone
• full functionality on a single screen page
• opening the application directly on the grid
Comfort
• modification of the lighting if necessary, "dark mode" available (press on the "moon" or "sun" icon in the upper banner)
• activation or deactivation of sounds if desired (press the “speaker” icon in the upper banner)
Mobile use
• no network connection required
• automatic grid saving

## Key features

- Integrated grid generators for three difficulty levels
- Grid level indicator with color-coded difficulty
- Fill in candidates manually or automatically
- Step-by-step documented solutions with color highlighting
- Presentation of nineteen common Sudoku solving methods
- Ergonomic design for iPhone and iPad

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sudoka/id1530213365/reviews.md

### 5/5 — What more do you want?

*2021-05-15*

No ads, no tracking, lightweight, non-intrusive, simply elegant sudoka app. Much thanks to the developer for being responsive and fixing a minor bug.

## Frequently asked questions about Sudoka

### Does Sudoka have ads?

No, Sudoka is completely free of advertisements. The app is designed to provide an uninterrupted Sudoku experience without any in-app purchases or ads.

### What devices does Sudoka support?

Sudoka is available for iPhone, iPad, and iPod. The app features ergonomic button placement optimized for both iPhone and iPad screens.

### How does Sudoka help with learning new techniques?

Sudoka presents nineteen common Sudoku solving methods with numerous examples for each. You can access these by pressing the 'teacher hat' icon.

### Can I get help if I'm stuck on a Sudoku puzzle?

Yes, Sudoka offers multiple forms of help. You can get step-by-step solutions, hints for progress without revealing the solution, or backtrack after viewing a solution.

### What is the age rating for Sudoka?

Sudoka has an age rating of 4+. This indicates it is suitable for young children and older users alike, focusing on logic and problem-solving.

### How often is Sudoka updated?

The latest version of Sudoka is 10.2, and it was last updated on August 18, 2024. This suggests regular maintenance and potential feature additions.

### Can I fill in candidate numbers in Sudoka?

Yes, you can fill in candidate numbers in cells if needed. Press the 'pen' icon before entering numbers on the keyboard to enable this feature.

### What is the user sentiment for Sudoka?

Based on the provided data, Sudoka has a perfect rating of 5.0 stars from 1 rating, indicating very positive user sentiment.

## Version history (last 5 releases)

### 10.2 — 2024-08-18

Improved presentation and ergonomics for certain types of devices.

### 10.1 — 2024-03-27

Minor changes regarding the aesthetics of the application.
Improved help display.
Added information regarding the use of the interface presenting the resolution methods.

### 10.0 — 2022-08-08

Changes to the aesthetics of the app.

### 9.0 — 2022-02-25

Changes to the aesthetics of the app.
Decreased brightness of grid and text box.
Changed display modes to keep only two modes, normal and dark.
Addition of an indicator banner of the method number studied for iPhone.
Improved help message response after clearing candidates in a cell.

### 8.3 — 2021-11-12

Improvement of the response of the delete key of a character for the case of a press performed with the thumb of the left hand.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*