Sudoku Club 4+

Pen and Paper Sudoku

Ekkehard Petzold

    • 5.0 • 9 Ratings
    • Free
    • Offers In-App Purchases

iPad Screenshots


For everyone in need of a great gift: Use the new GIFTING BUTTON to delight your Sudoku-savvy loved ones with the full version of Sudoku Club!

Sudoku Club is pen-and-paper-first. It gives you the Sudoku experience you know and love from real paper. Simple, intuitive, direct. Just pick up your pencil and start writing. Distraction-free. Ad-free.

Write to fill in.
Scribble over to erase.
Tap for note-taking.
That’s it.

:: Play distraction-free or with Suspense

Choose from 2 different play modi:
- If you want your experience calm and distraction-free, PAPER MODE is for you. Results are shown when finished. If you need feedback on the way there, you'll get it.
- If you like the thrill of potential doom, try GAME MODE. It counts your mistakes—make three and you have to start again.

:: Meaningful assistance

Decide for yourself how much help you need — from none at all to
- number-highlighting
- auto-filled notations
- auto-deleted notations

:: Introducing: The Scratchpad

If things get too complicated, you can overlay your Sudoku with a seethrough scratchpad.

:: Game Statistics and Rewards

Keep track of your achievements. See if you can beat your personal best. All statistics are grouped by used assistance methods.

:: 50,000+ unique puzzles

Sudoku Club contains 50,000+ uniquely generated and evaluated Sudoku puzzles on 5 difficulty levels from beginner to professional, based on human solvability measures.

:: Customize Your Style

- Light/Dark mode
- Color modes
- Outline style modes

:: Customize Your Screen

- Sudoku Club works great with Split Screen. You can have your music player or podcast app next to your Sudoku. Convenient!

:: Sudoku Pass-and-Play

Create a user profile for every Sudoku lover in your house.

:: Ad-free

Get a pack of sudoku plays; play unlimited for year or for a lifetime. However you decide — Sudoku Club is free of ads.

:: iCloud-Synced

Your game progress is saved in your private iCloud. Of course, you can always play offline.

:: Track-free, Link-free

Sudoku Club does not collect your data.

:: Wrist-obstruction-free

Sudoku Club is designed for handwriting. Apple Pencil or compatible stylus is recommended. Place your wrist anywhere, even on the grid. Alternatively, you can use a passive stylus or your finger.

Sudoku Club is currently only available for iPad. Sudoku Club members will be the first to know when the iPhone app is ready!

Terms of Use:
Privacy Policy:

What’s New

Version 1.1


Version 1.1 comes with a full-version-gifting button for you to delight your Sudoku-savvy loved ones with lifetime unlimited access to the laid-back pen-and-paper experience of Sudoku Club.

Ratings and Reviews

5.0 out of 5
9 Ratings

9 Ratings

evybabee ,

Perfect for iPad + Apple Pencil

This app is amazing if you enjoy using iPad with an Apple Pencil for Sudoku! It really gives you the pen and paper feel of solving, and gives you options no other apps do, like a scratchpad layer where you can scribble anything you want.

App Privacy

The developer, Ekkehard Petzold, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Some in‑app purchases, including subscriptions, may be shareable with your family group when Family Sharing is enabled.

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