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Paper Sudoku

Paper Sudoku

Play like pen on paper

1.1K ratings
90 reviews
With Ads
🎮 Games
📚 Education
🎲 Board
🧩 Puzzle
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • June 24, 2021
  • December 19, 2025

Developer

Tobeas Brennan
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Paper Sudoku video #1 for iPad
Paper Sudoku screenshot #2 for iPad
Paper Sudoku screenshot #3 for iPad
🧾$6.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐90
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦w/o updates
Updates frequency↘︎
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About

Experience the tactile joy of pen-on-paper Sudoku with this digital app. Enjoy unlimited puzzles, auto-fill notes, and an interactive solver. Designed for Apple Pencil, it offers features like pencil marks and error checking for a seamless solving experience.

✓Unlimited Sudoku puzzles
✓Pen-on-paper feel
✓Apple Pencil optimized
✓Auto-fill notes
✓Interactive solver mode
✓Pencil marks and highlighting
✓One-click error checking
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What users say

Summarized from real user reviews of Paper Sudoku. Based on 1.1K reviews and a 4.9/5 average, it highlights the 11 positives and 5 negatives reviewers mention most about this game.

Positive things

  • 🚀Very addictive
  • 👍Perfect sudoku game
  • 👍Incredible handwriting recognition
  • 👍Apple Pencil support
  • 👍Convenient to use
  • 👍Realistic game experience
  • 👍Intuitive interface
  • 👍Helpful learning and tips features
  • 👍Customizable options
  • 👍Minimal ads
  • 👍One-time purchase option

Negative things

  • 🐛Highlighter glitch
  • 🐛Incorrect error detection
  • 🔋Battery drain
  • 🔋Device heating up
  • 🔋Ads too frequent
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What's New in Paper Sudoku

3.1

December 19, 2025

We've been hard at work implementing the most requested features: Smarter Note Recognition - Your handwritten notes are now recognized automatically - Matching notes are deleted when you fill a related cell (optional setting) - Double-tap cells to highlight matching notes across the board - Use the highlighter in automatic notes mode to cross out notes New Customization Options - Set a custom action for Apple Pencil Pro squeeze gesture - Choose your preferred highlight color for numbers and notes - Dark mode app icon Bug fixes and performance improvements

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In-App Purchases

$6.99

Premium version

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User reviews

Most RecentHighest RatedLowest Rated

The best pencil-compatible sudoku

The “learn” function is so smart, and updates according to correct numbers I’ve placed. Hoping to get the highlight function that lights up an entire relevant row &/or column please.
coconutz10coconutz10

Amazing!!!!

This app is compatable with the Apple Pencil and is everything I could have asked for as a sudoko app on my iPad.
nic1937464nic1937464

Need more options for visibility

I’ve been using this for a couple of days. I have a sudoku app that I’ve used for over 10 years but wanted one that works with Apple Pencil. This is easy to use. But I’m struggling with the puzzles because it’s difficult to see the font & colors. I am also finding that the hardest puzzles are not challenging enough.
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nikikolenikikole

Brilliant app, very well made

Really well made app. Easy to share puzzles to compete with friends and works very well with Apple Pencil. Thank you!
Matt675CCMatt675CC

Perfect sudoku game

Okay pros: highlight any number, everything’s free, ads do not bombard you (very few), auto note taking, auto error highlight, the option to turn those features off. You can write with your Apple Pencil and apparently 3rd party too. There are tips if you want to learn, and hacks if you’re a speed runner. Honestly worth the shot to try it, again it’s free. I paid for the app to show support. ALSO DEVELOPER RESPONDED TO ME FAST, THEY ACTIVELY WORK ON THIS MASTERPIECE.
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amberbrown1295amberbrown1295
See 85 more reviews

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User experience

🐞

Reported Bugs

3 issues

Crashes after latest update

Bug

Notes color issue

Bug

Handwriting recognition problems with new Apple Pencil

Bug
✨

Requested Features

9 requests

Ability to input own puzzles

Feature

More pen color options

Feature

Customizable Apple Pencil gestures

Feature

Multiple games in progress

Feature

Undo/redo functionality

Feature

Automatic note management

Feature

Highlight notes of the same number

Feature

Default note color option

Feature

Puzzle timer and stats tracking

Feature

FAQ

What is Paper Sudoku?

Paper Sudoku is a digital application designed to replicate the experience of playing Sudoku with pen and paper. It offers unlimited puzzles and provides the benefits of digital gameplay, such as auto-fill notes and error checking.

What are the key features of Paper Sudoku?

Key features include unlimited puzzles, an experience that mimics writing on paper, optimized use with Apple Pencil, auto-fill notes, an interactive solver mode, support for pencil marks and highlighting, and a one-click error checking function.

How much does Paper Sudoku cost?

The app is free to download and play, but it does offer in-app purchases. This means you can enjoy the core functionality for free, with optional purchases available for additional content or features.

Is Paper Sudoku compatible with my device?

The description specifically mentions it's designed for use with Apple Pencil, suggesting it is compatible with Apple devices that support this accessory, such as iPads. Specific iOS version compatibility is not detailed.

Who is Paper Sudoku for?

This app is ideal for individuals who enjoy playing Sudoku and appreciate the tactile feel of writing on paper. It's particularly suited for users with an Apple Pencil who want a digital yet authentic Sudoku experience.