Is Sudoku You safe?

Sudoku You is a free and open-source Sudoku app built for offline play and thoughtful solving. Generate classic 9×9 puzzles on your device, continue automatically saved games, or import a puzzle from text. Generated puzzles have a unique solution and come in Easy, Medium, Hard and Brutal difficulty levels. Imported puzzles are checked for a valid, unique solution. When you need help, the human-st…

Developer: Galaxy-rio
Category: Puzzle Game
Earliest archived version: 03 Sept 2026
License: GPL-3.0-or-later (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

06 Oct 2026

3.0.1

Fixed incorrect text colors in high-contrast mode • Added a high-contrast font mode • Added a separate toggle for highlighting conflicting numbers • Made minor UI refinements and fixed bugs

Full notes →

02 Oct 2026

3.0.0

Completed the tutorial design • Tutorials include step-by-step lessons and multiple examples • Made minor UI refinements and fixed bugs

Full notes →

11 Sept 2026

2.0.3

Minor UI refinements. • Added a high-contrast mode • Added an onboarding guide shown on first launch, which can be replayed from Settings • Fixed a bug where rapidly pressing the Back button could leave a blank page

Full notes →

03 / Package identity

Technical fingerprint

Application IDcom.galaxyrio.sudokusolver

Latest APK SHA-256afde499829d4a66c776d7d4d2ece0215c52b6f28a614341d70e7846aa33c853e

Signing certificate2A:FE:EF:94:6B:75:9E:C1:ED:62:0C:9B:98:16:6A:0D:C0:D2:58:9A:6D:DC:39:8C:EF:0D:74:5E:04:BB:DD:AF

MIN ANDROID30TARGET37ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

04 / History

Archive history

6 versions in WIKI archive: earliest 2.0.2 (03 Sept 2026), latest 3.0.1 (06 Oct 2026).

No change in android.permission.* between 3.0.0 and 3.0.1.

05 / Version archive

Documented releases

6 TOTAL

VersionReleasedAndroidArchitecture

3.0.106 Oct 202630+arm64-v8a, armeabi-v7a, x86, x86_64→3.0.002 Oct 202630+arm64-v8a, armeabi-v7a, x86, x86_64→2.1.122 Sept 202630+arm64-v8a, armeabi-v7a, x86, x86_64→2.1.016 Sept 202631+arm64-v8a, armeabi-v7a, x86, x86_64→2.0.311 Sept 202631+arm64-v8a, armeabi-v7a, x86, x86_64→2.0.203 Sept 202631+arm64-v8a, armeabi-v7a, x86, x86_64→

06 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceOpen-source · fdroid

Permissions1 declared · 0 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessNo sensitive permissions

Declared permissions

com.galaxyrio.sudokusolver.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

07 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗