STRAFFR is described as 'Smart resistance band and training platform that makes working-out simple, effective, and personalized. What’s more, the compact design means this pocket-friendly equipment is your new travel buddy. Just grab it and go!' and is a Health tool in the sport & health category. There are more than 50 alternatives to STRAFFR for a variety of platforms, including iPhone, Android, Web-based, iPad and Android Tablet apps. The best STRAFFR alternative is Kenko, which is both free and Open Source. Other great apps like STRAFFR are MyFitnessPal, Cronometer, Calopal and CalorieTracker.io.