The RutronikSMART concept consists of a hardware and software side. To transmit vital data from the hardware (hier ment the connected measuring systems) into the software (e.g. the RutronikSMART web portal and APPs on smartphones), different transmission technologies are used which should not effect the end user a lot. The simplicity is a core idea of the RutronikSMART concept. fitmefit.com is an online community that brings life in motion. The fmf app helps users see their values online and can track challenges."Continued use of GPS running in the background can dramatically decrease battery life."