# All of Sudoku — Solve Sudoku puzzles

> Classic logic puzzle game with multiple grid sizes and assist features. (iPhone/iPad app by Mikko Heinonen.)

- Source: https://appshunter.io/ios/app/all-of-sudoku/id1494561171 (this page in markdown: same URL + `.md`)
- Developer: [Mikko Heinonen](https://appshunter.io/developer/1494561170)
- Category: Games, Family, Puzzle
- Price: Free with in-app purchases
- Rating: 4.70/5 from 10 App Store ratings
- Age rating: 4+
- Requires: iOS 10.0 · 73 MB
- Languages: English
- Released: 2020-03-05
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/all-of-sudoku/id1494561171/reviews.md

## What is All of Sudoku?

Challenge yourself with Sudoku puzzles in multiple grid sizes. All of Sudoku comes with 4 different grid sizes:
 - 4x4, for younger players to learn
 - 6x6, for quick games
 - 9x9, traditional Sudokus with different difficulty levels
 - 16x16, little more extreme challenges with larger grid

Sudoku is classic Japanese logic game where you need to fill the play grid with correct numbers following just few simple rules:
 - Each row can contain certain number only once
 - Each column can contain certain number only once
 - Each larger cell block can contain certain number only once

Each Sudoku has only one solution and on each size there is difficulty levels easy, medium, hard and expert.

All of Sudoku has also some assist functions to make game play more smoother if you want to use them:
 - Notes to help solving complicated situations
 - Highlight same column, row and cell block
 - Show how many times each number is set
 - Highlight same numbers in the grid
 - Use hints in case you cannot get forward
 - Constant checking if you have set correct number

You can play the game in landscape or portrait mode on every device. Also you can choose your color theme for the background from 10 different choices. For 16x16 game there is zoom possibility if needed.

## Key features

- Multiple grid sizes (4x4, 6x6, 9x9, 16x16)
- Adjustable difficulty levels
- Assist functions (notes, hints, highlighting)
- Customizable color themes
- Landscape and portrait mode support
- Single solution guarantee

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |



## Frequently asked questions about All of Sudoku

### What grid sizes does All of Sudoku offer?

All of Sudoku provides four grid sizes: 4x4 for beginners, 6x6 for quick games, 9x9 for traditional play with varying difficulties, and 16x16 for more extreme challenges.

### Does All of Sudoku have ads?

No, All of Sudoku is ad-free, allowing for an uninterrupted puzzle-solving experience.

### What assist functions are available in All of Sudoku?

Players can utilize notes, highlighting for rows/columns/blocks, number frequency display, number highlighting within the grid, hints, and constant checking for correct number placement.

### Can I play All of Sudoku offline?

The provided data does not specify offline play capabilities. However, as a logic puzzle game, it is likely playable without an internet connection.

### What is the age rating for All of Sudoku?

All of Sudoku has an age rating of 4+, making it suitable for a wide range of players.

### How often is All of Sudoku updated?

The app was last updated on July 3, 2020, with version 1.1. Further update frequency is not detailed in the provided information.

### What devices support All of Sudoku?

All of Sudoku is supported on iPhones, iPads, and iPods.

### Does All of Sudoku have different difficulty levels?

Yes, on each grid size, All of Sudoku features difficulty levels including easy, medium, hard, and expert.

## Version history (last 2 releases)

### 1.1 — 2020-07-03

- Dark mode available for the user interface
- Number first input, where user first chooses number and then target cell where it is placed
- Possibility to choose if numbers over 9 are displayed as letters (10=a, 11=b and etc)
- New design of menus in the game

### 1.0 — 2020-03-05

No release notes.

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## More apps by Mikko Heinonen

- [Puzzle Factory](https://appshunter.io/ios/app/puzzle-factory/id1592991460)

All apps by Mikko Heinonen: https://appshunter.io/developer/1494561170

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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.*