I love riding my onehwheel, but it is incredibly, stupidly, dangerous and the company DOES NOT CARE. Out of the box, mine was prone to runaway/ghosting where it would continue riding even if no one is on it. Kind of dangerous for a 25 pound device to go careening into the world. I contacted the manufacturer and the response was basically: 'not our problem, you're probably using it wrong' until I sent them a video tha…
One Wheel XR needed more indicator lights (what is my battery without the app), and a more audible feedback for a pushback. As another 200 lb guy, you could feel the pushback if you weren't trying to split the weight between your feet and instead pushing down. This is a very unintuitive thing at first.