Train Your Mind with Brain Sudoku
Daily Puzzles. Brain Score. No Distractions.
The premium, ad-free Sudoku experience built for serious brain training. Every puzzle is scored — track your speed, accuracy, and consistency over time.
Features
Everything you need to sharpen your mind
Designed for focus. Engineered for progress. Brain Sudoku is the cleanest, most rewarding Sudoku experience on mobile.
Brain Score System
Get graded S, A, B, C, or D after every puzzle. Your score reflects speed, accuracy, and hint usage — giving you a real picture of mental performance.
Daily Challenge
One fresh puzzle every day, shared by all players worldwide. Build a streak, stay consistent, and see how you improve over time.
Completely Ad-Free
No banners. No popups. No interruptions. Ever. Your focus time is sacred — we will never compromise it with advertisements.
Monthly Brain Report
Pro members receive detailed monthly analytics tracking how their puzzle performance evolves — puzzle by puzzle, month by month.
Age Group Ranking
Compete fairly. Rankings compare you within your own age group, not against players of all ages — making every milestone meaningful.
Premium Themes
Three handcrafted color themes — Classic, Forest, and Dusk — each with a carefully chosen palette for comfortable extended play.
Brain Score
Your performance, quantified
After every puzzle, Brain Sudoku grades your performance across three dimensions. It's not just about solving — it's about solving well.
Score Formula
Difficulty
Find your perfect challenge
Four carefully balanced difficulty levels. Every puzzle is logically solvable — no guessing required.
Easy
Relaxing and enjoyable. Perfect for mornings or winding down.
Target time: 5 minutes
Medium
A satisfying challenge that keeps your mind engaged.
Target time: 10 minutes
Hard
Requires real concentration and deliberate thinking.
Target time: 20 minutes
Expert
Test the limits of your logical reasoning skills.
Target time: 40 minutes
Pro Membership
Unlock your full brain potential
Pro gives you deeper insights, more tools, and fair competition — for less than a cup of coffee per month.
6 Hints Per Game
Double the hints for when you're truly stuck (vs. 3 for free).
Monthly Brain Report
Detailed analytics on your puzzle performance trends over time.
Age Group Ranking
See how you rank against players in your own age group — fairly.
Streak Shield
Protect one missed day per month without losing your streak.
Full access. Cancel anytime.
- ✓6 hints per game
- ✓Monthly Brain Report
- ✓Age Group Ranking
- ✓Streak Shield protection
- ✓Full puzzle history
- ✓Zero ads (always free too)
Themes
Beautiful by design
Three handcrafted color themes, each tuned for comfort during long play sessions.
Classic
Navy blue and gold — timeless, refined, and easy on the eyes.
Forest
Deep green and amber — calm and grounded, like solving in nature.
Dusk
Burgundy and terracotta — warm and dramatic for evening sessions.
Daily Challenge
One puzzle a day
keeps the mind sharp
Every day, a fresh puzzle is available for all players worldwide — the same puzzle, the same day. Build your streak and make brain training a daily habit.
Miss a day? Pro members can use a Streak Shield once a month to protect their progress.
Screenshots
See it in action
Download
Start training your
brain today
Free to download. Ad-free forever. Available on iOS and Android.