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LibreSudoku

LibreSudoku is a free, open-source game for Android. Sudoku app for Android. It has 735 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.

github.com/kaajjo/LibreSudoku (opens in a new tab)

  • Android
  • Jetpack Compose
  • Games
  • Actively maintained
Get it on F-Droid (opens in a new tab)View on GitHub (opens in a new tab)

About LibreSudoku

Libre-Sudoku is a Sudoku app for Android, built with Jetpack Compose and Material3. Basic things such as pencil marks (notes), undo, game pause, board reset and give up (show solution)9x9, 6x6 and 12x12 with 4 difficultiesZoom and pan the board in 12x122 input methods. Digit first and cell first2 types of mistakes checking. First is detecting game rules violations and the second is checking with final solutionStatistics and records. Best and average times, win streak, started/completed games count and win rateSaves.

Privacy and F-Droid

F-Droid builds LibreSudoku from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

No anti-features flagged on the latest F-Droid build.

Screenshots

  • LibreSudoku screenshot 1
  • LibreSudoku screenshot 2
  • LibreSudoku screenshot 3

Screenshots from the app's F-Droid listing.

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FAQ

LibreSudoku FAQ

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What is LibreSudoku?

LibreSudoku is a free, open-source game for Android. Sudoku app for Android. It has 735 GitHub stars and is released under the GPL-3.0-only license, and you can install it from F-Droid.

Is LibreSudoku free and open source?

Yes. LibreSudoku's source code is public on GitHub under the GPL-3.0-only license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.

How do I install LibreSudoku?

You can install LibreSudoku from F-Droid (package com.kaajjo.libresudoku); the links are on this page. Its GitHub repository also publishes releases (latest: v2.0.2).

Is LibreSudoku still maintained?

The repository's most recent commit was on Oct 7, 2026. Its F-Droid listing was last updated on Mar 8, 2025. appsgit only lists apps whose repository had a commit in the last six months.