Tools · Open source
GDF HEMA Timer
kstepanovdev
A precise and minimal timer for HEMA training and sparring.
Download
Opens the official F-Droid page
About GDF HEMA Timer
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 for repeated training routines
- Works fully offline, with no ads or tracking
- Open-source and lightweight
This timer is developed by practitioners for practitioners, focusing on reliability and clarity during intense training sessions.
How to install GDF HEMA Timer
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open GDF HEMA Timer from your app drawer.

