Is ConnectFour Studio safe?

ConnectFour Studio is a free, offline Connect Four program: play against the computer, analyse positions and run engine-versus-engine matches. It is the Android version of the desktop program of the same name, with the same engine, levels, help and texts. Engine Perfect play: a Kotlin port of the BitBully solver by Markus Thill (bitboards, MTD(f), transposition table) with the 12-ply opening book…

Developer: Patrick Götz
Category: Board Game
Earliest archived version: 15 Oct 2026
License: AGPL-3.0-only (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

15 Oct 2026

1.0.1

Fix for Android 15 and newer: the top row of the board and the status line were hidden behind the title bar and the system bars (edge-to-edge display).

Full notes →

03 / Package identity

Technical fingerprint

Application IDio.github.patrickric.connectfourstudio

Latest APK SHA-256988b136573a7d0376ed79d379f962b1c0971a5fc1f81023c3a1f5d7895057a95

Signing certificate02:90:AA:BC:06:07:B5:BA:98:D1:FB:F6:7E:8F:03:B1:66:D0:4F:2D:65:45:63:4F:99:03:02:78:C6:05:46:A1

MIN ANDROID21TARGET37ARCHITECTURE

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

1.0.115 Oct 202621+→

05 / 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

Permissions0 declared · 0 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessNo sensitive permissions

Declared permissions

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗