Dennis Mantz — Android apps for

EducationAnalyze RF signals on Android with HackRF, RTL-SDR, Airspy and HydraSDR.

ToolsAirGuard detects trackers that are used for stalking and warns you.

ToolsKeep track of your monthly spending

Health & FitnessA sport tracker buddy that respects your privacy.

Health & FitnessA sport tracker buddy that respects your privacy.