As I haven’t found an appropriate timer app where I could define relative(!) inbetween-notifications, I just decided to quickly write my own.
- Environment: Android 4.1+
- Language: Dart / Flutter
- Official site: https://bdt.jepfa.de
- Download site: https://f-droid.org/de/packages/de.jepfa.bdt/
- Source code: https://github.com/jenspfahl/BDT/