Is GDF HEMA Timer safe?

GDF HEMA Timer is a precise and minimal timer designed for Historical European Martial Arts (HEMA) training. It helps fencers, instructors, and tournament organizers manage timing during drills, bouts, and sparring sessions. Features: - Simple interface with large, readable display - Configurable round and break durations - Audible and vibration alerts for start and end signals - Preset saving fo…

Developer: kstepanovdev
Category: Sports & Health
Earliest archived version: 16 Jul 2026
License: GPL-3.0-only (per F-Droid metadata)

02 / Package identity

Technical fingerprint

Application IDcom.gdf.hema_timer

Latest APK SHA-2562f87674ab4b113d8f36fe8686c10cf193e9bb06a8ee5b6aa0725ae1771eba87b

Signing certificate49:7B:05:08:A5:94:63:C7:97:F9:C4:0A:7B:AE:7B:57:D8:BE:99:3A:3E:E6:85:06:D5:5D:E8:7F:15:65:E5:C8

MIN ANDROID24TARGET36ARCHITECTUREarm64-v8a

03 / History

Archive history

2 versions in WIKI archive: earliest 1.1.20 (16 Jul 2026), latest 1.1.22 (22 Sept 2026).

No change in android.permission.* between 1.1.20 and 1.1.22.

04 / Version archive

Documented releases

2 TOTAL

VersionReleasedAndroidArchitecture

1.1.2222 Sept 202624+arm64-v8a→1.1.2016 Jul 202624+arm64-v8a→

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

Permissions2 declared · 0 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessNo sensitive permissions

Declared permissions

android.permission.VIBRATE com.gdf.hema_timer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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↗