This is really cool. Does it compute power along the trajectory as well? The problem I have is that I don't have a smartphone. Each cool app like this brings m

This is really cool. Does it compute power along the trajectory as well? The problem I have is that I don't have a smartphone. Each cool app like this brings me closer to getting one though. Can anyone suggest an alternative to this app that could work with video files? Or maybe something that I can stick to the barbell?