Open Sudoku

Jul 10, 2026

Older Versions of Open Sudoku

If you are experiencing issues with the latest version of Open Sudoku due to bugs or incompatibility with your device, downloading an older version can be a practical solution before the app developer fixes the problem. APKPure offers all of the older versions of Open Sudoku that are compatible with various devices and Android systems. Download rollbacks of Open Sudoku for Android. All downloads from APKPure are free from viruses and provide a fast, secure way to get the app version history you need.

All Versions of Open Sudoku

4.7.0(20260625)Latest
XAPK
Jul 10, 20262.9 MBAndroid 8.0+
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What's new in the version 4.7.0
Updated on Jul 10, 2026
- New Puzzle Rating feature [Rainer Popella]
- New feature to select fonts for digits [Andras Porjesz]
- New translation to Greek! [Michalis]
- Bugfixes/improvements [Bart Uliasz]
- Existing translations updates [大王叫我来巡山, Andreas Pettersson, Bart Uliasz, Joan Montané, Michalis, ssantos, Ștefan Zaharia]
4.6.1(20260412)
XAPK
May 4, 20262.8 MB
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What's new in the version 4.6.1
Updated on May 4, 2026
- New folders sorting feature
- New translation to Catalan!
- Bugfixes/improvements
- Existing translations updates
4.5.10(20251229)
XAPK
Jan 1, 20263.1 MBAndroid 8.0+
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What's new in the version 4.5.10
Updated on Jan 1, 2026
- New "Hint" strategies (X-Chain) [Rainer Popella]
- New translation to Galician! [José M.]
- Translation updates [AndyRn.t.me, Bart Uliasz, Lula Bye, Manuel Tassi, poesty, Rainer Popella]
4.5.8(20251109)
XAPK
Nov 13, 20253.8 MBAndroid 8.0+
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What's new in the version 4.5.8
Updated on Nov 13, 2025
Open Sudoku 4 brings with it a complete code rewrite, new features and multiple improvements:
* Import/export Sudoku from various sources
* Edit/create your own Sudoku puzzles with verification of it's validity
* Use "Hint" to see next step hints when you get stuck
* Double pencil marks (optional)
And much more. Go to the project page to see full change log.
4.4.10(20250819)
XAPK
Aug 24, 20253.7 MBAndroid 8.0+
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What's new in the version 4.4.10
Updated on Aug 24, 2025
- New "Hint" strategies (Unique Rectangle 1-, Chute Remote Pair) [Rainer Popella]
- Existing "Hint" strategies improvements [Rainer Popella]
- Removed unnecessary cell deselection on digit press in Insert On Tap mode [Bart Uliasz]
- Translations updates [AndyRn.t.me, தமிழ்நேரம் anishprabu.t, Bart Uliasz, Joonas Reinholm, Manuel Tassi, michte, Rainer Popella]
4.4.8(20250620)
XAPK
Jun 25, 20253.7 MBAndroid 8.0+
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What's new in the version 4.4.8
Updated on Jun 25, 2025
• New "Hint" strategies: Remote Pair, B.U.G. (Bi-value Universal Grave), Unique Rectangle types 1..5
• New "Play random unsolved puzzle" button if there's no resume
• New SUID (Sudoku Unique ID) to identify any valid puzzle. You can copy it to clipboard (long-press puzzle to copy from list) and paste (within a folder or in the built-in puzzle editor)
• Bugfixes and improvements
• UI updates
• Translations updates
4.4.6(20250430)
XAPK
May 18, 20253.6 MBAndroid 8.0+
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What's new in the version 4.4.6
Updated on May 18, 2025
4.4.6:
• New Hint strategy (Unique Rectangle types 6 and 7)
• New translation to Romanian!
• New title screen menu option to save Debug Logs
• Bugfixes
• Translations updates

4.4:
• New SUID (Sudoku Unique ID)
• New "Play random unsolved puzzle" button if there's no resume
• New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave, Unique Rectangle 1, 2, 4 and 5)
• Bug-fixes and improvements
• UI changes
4.4.5(20250412)
XAPK
Apr 26, 20253.6 MBAndroid 8.0+
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What's new in the version 4.4.5
Updated on Apr 26, 2025
Open Sudoku 4 brings with it a complete code rewrite, new features and multiple improvements:
* Import/export Sudoku from various sources
* Edit/create your own Sudoku puzzles with verification of it's validity
* Use "Hint" to see next step hints when you get stuck
* Double pencil marks (optional)
And much more. Go to the project page to see full change log.
4.4.4(20250330)
XAPK
Mar 31, 20253.6 MBAndroid 8.0+
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What's new in the version 4.4.4
Updated on Mar 31, 2025
4.4.4:
• DB issue hotfix
• New "Hint" strategy (Unique Rectangle type 4)
• Bugfixes and improvements
• Translations updates

4.4.1:
• New "Hint" strategies (Unique Rectangle 1, 2 and 5)
• Bunch of bug-fixes and improvements
• UI updates
• Translations updates

4.4.0:
• New SUID (Sudoku Unique ID)
• New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave)
• New "Play random unsolved puzzle" button if there's no resume
• Keyboard UI changes
4.4.2(20250327)
XAPK
Mar 29, 20253.6 MBAndroid 8.0+
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What's new in the version 4.4.2
Updated on Mar 29, 2025
4.4.2:
• Several bugs hotfix

4.4.1:
• New "Hint" strategies (Unique Rectangle 1, 2 and 5)
• Bunch of bug-fixes and improvements
• UI updates
• Translations updates

4.4.0:
• New SUID (Sudoku Unique ID)
• New "Hint" strategies (Remote Pair, BUG: Bi-value Universal Grave)
• New "Play random unsolved puzzle" button if there's no resume
• Keyboard UI changes

4.3:
• New "Hint" strategy (Empty Rectangle)
• UI improvements
• New translation to Finnish!
• New translation to Tamil!

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