A little focus. A lot of possibility.
Make a little room for Sudoku. Enjoy a quick puzzle, settle into a classic grid, or take on something bigger — with thoughtful hints whenever you need them.
MADE FOR YOUR NEXT AHA MOMENT
Your puzzle. Your pace.
We love Sudoku. That’s why we made an app you can play wherever life takes you.
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A grid for every mood
Choose a quick 6×6, a classic 9×9 from Easy to Extreme, or a bigger 16×16 Hexadoku.
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Understand your next move
Smart hints explain the logic step by step, so every puzzle is a chance to learn.
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Think clearly with pencil notes
Keep track of possibilities yourself, or use Fast Pencil to fill and update your notes.
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Pick up where you left off
Return to your unfinished game, save favourite puzzles and watch your statistics grow.
TAKE A CLOSER LOOK
More ways to find your flow.
Every possibility, clearly noted.
Use pencil notes or let Fast Pencil keep your candidates up to date.
A calmer view after dark.
Switch between Light, Dark and System appearance.
Learn with every hint.
Explore the reasoning behind your next move, one step at a time.
Think bigger. Go 16×16.
Take on Hexadoku, with a zoom view for a closer look.
SMALL DETAILS. MORE FLOW.
Room to think.
A familiar game, made comfortable for everyday play.
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Light or dark
Choose the appearance that feels right, or follow your iPhone’s system settings.
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Fewer taps with Fast Input
Select your number first, then tap the cells where it belongs.
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Your progress stays with you
Game progress, favourites and statistics are saved locally on your iPhone. No account needed.
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Made for iPhone
Clear numbers, comfortable controls and a clean interface on iOS 17 and later.
A few things you might wonder.
Is the app free?
The initial release is free to download and play, with no advertisements, subscriptions or in-app purchases. Any future paid features will be clearly explained before you choose to buy.
Do I need an account?
No. Start a puzzle without signing up. Your progress and settings are stored on your device.
Can I play without an internet connection?
Yes. Puzzle generation and gameplay run on your iPhone. Opening support links or downloading updates requires a connection.
Are the hints just answers?
Smart Hint walks you through the reasoning. Use Next and Back to explore the explanation, then Apply when you are ready.
Does it work on iPad?
This release is designed for iPhone. A dedicated iPad experience is planned for later; iPad and iPhone Duo layouts have not been verified.
Where can I get help?
Visit our support page or email [email protected]. We would love to hear from you.