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SudoSketch
Free online Sudoku you can write in
SudoSketch makes online Sudoku feel like paper. Write numbers directly into the grid with Apple Pencil, stylus or finger, or use the classic keypad. Play six difficulty levels and daily challenges, print puzzles, learn techniques interactively, and ask Sudoku Coach for the next logical move without revealing the whole solution. It is free, browser-based and requires no account.
Top comment
I built SudoSketch because playing Sudoku online often felt less natural than solving it on paper. The original idea was simple: let people write numbers directly into a digital Sudoku grid using an Apple Pencil, stylus or finger. From there, SudoSketch developed into a broader place to play, practise and improve. It now includes six difficulty levels, daily challenges, printable puzzles, interactive technique lessons and Sudoku Coach. Instead of immediately revealing the answer, Coach identifies the next logical move and explains why it works. SudoSketch is free, works directly in the browser and does not require an account or download. I would especially value feedback on the handwriting experience, the Coach explanations and how easily new players can move from learning a technique to using it in a real puzzle.
About SudoSketch on Product Hunt
“Free online Sudoku you can write in”
SudoSketch was submitted on Product Hunt and earned 12 upvotes and 14 comments, placing #160 on the daily leaderboard. SudoSketch makes online Sudoku feel like paper. Write numbers directly into the grid with Apple Pencil, stylus or finger, or use the classic keypad. Play six difficulty levels and daily challenges, print puzzles, learn techniques interactively, and ask Sudoku Coach for the next logical move without revealing the whole solution. It is free, browser-based and requires no account.
On the analytics side, SudoSketch competes within Web App, Education and Games — topics that collectively have 300.5k followers on Product Hunt. The dashboard above tracks how SudoSketch performed against the three products that launched closest to it on the same day.
Who hunted SudoSketch?
SudoSketch was hunted by Mark Gorton. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of SudoSketch including community comment highlights and product details, visit the product overview.