Recreate your Concept2 indoor rowing machine experience with the KREW app. Get the tools and insights you need to reach your goal and train smarter while on your Concept 2 indoor rower ski erg or bike. Explore new workouts training programs and create your own custom workouts. Just connect your Concept2 Performance Monitor and KREW will program the workout save it and upload it to Strava Google Fit or FitBit.