# Sudoku Brain Puzzle Book

> Sudoku Brain Puzzle Book (iPhone/iPad app by Onur Celik.)

- Source: https://appshunter.io/ios/app/sudoku-brain-puzzle-book/id6758736839 (this page in markdown: same URL + `.md`)
- Developer: [Onur Celik](https://appshunter.io/developer/1870662813)
- Category: Games, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 40 MB
- Languages: English
- Released: 2026-02-11
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-brain-puzzle-book/id6758736839/reviews.md

## What is Sudoku Brain Puzzle Book?

Master your logic and color your world with Sudokubook! 

Experience the classic Sudoku puzzle like never before. Sudokubook combines a premium, minimalist design with powerful features to give you the most personalized brain training experience. Whether you’re a beginner or a Sudoku master, our v2.0 update is built for your style.

Key Features:

NEW DARK MODE: A sleek, eye-friendly black paper theme for late-night sessions.

CUSTOM PEN COLORS: Solve it your way! Choose from 7 vibrant colors to personalize every grid.

SMARTER LOGIC: Multi-solution support! If your logic is mathematically correct, you win. No more being stuck on a single fixed solution.

SMART ERROR TRACKING: Mistakes are highlighted in yellow when using the red pen, helping you learn faster.

PROGRESSIVE DIFFICULTY: Thousands of unique grids from Easy to Expert levels.

MINIMALIST DESIGN: A clean, distraction-free interface focused entirely on your puzzle journey.


## Version history (last 5 releases)

### 2.0.1 — 2026-04-16

• New app name and branding
• Improved user experience
• Bug fixes and performance improvements

### 2.0 — 2026-03-22

SUDOKUBOOK v2.0 - Infinity Colors & Smarter Logic! 

We’ve completely evolved the Sudokubook experience in this major update:

New Dark Mode: Enjoy solving puzzles with a sleek, eye-friendly black paper theme—perfect for night sessions.

Custom Pen Colors: Express yourself! Choose from 7 vibrant colors to solve puzzles in your own style.

Smarter Logic: Introducing Multi-Solution Support. Every valid Sudoku path now leads to victory. No more fixed solutions!

Smart Error Tracking: When using the red pen, mistakes are now highlighted in yellow for better visibility.

Refined Visuals: Brand new infinity-themed icon and smooth animations for a more premium puzzle experience.

Thank you for playing Sudokubook! Your logic, your colors.

### 1.5 — 2026-02-19

Improved error detection and visual feedback.

### 1.4 — 2026-02-16

gaming area is rearranged.

### 1.3 — 2026-02-15

some bugs are fixed.

## More apps by Onur Celik

- [Galactical Wars](https://appshunter.io/ios/app/galactical-wars/id6758057969)
- [Shiftrix: Block Sort Puzzle](https://appshunter.io/ios/app/shiftrix-block-sort-puzzle/id6759165317)
- [Dungeon Scoundrel: Solitaire](https://appshunter.io/ios/app/dungeon-scoundrel-solitaire/id6760760140)
- [Marble Sort](https://appshunter.io/ios/app/marble-sort/id6760815863)

All apps by Onur Celik: https://appshunter.io/developer/1870662813

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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 2026-05-15.*