If handheld gimbal cameras aren't your thing and you want to use your phone with a handheld gimbal instead then this is a good alternative. It was posted earlier this month for $139 and now it's been reduced even further.
This quick video shows it in action. It's compact, has a joystick for manual control, a video/photo button and the phone mount can be quickly released quite easily.
Free expedited shipping.
https://www.youtube.com/watch?v=qdOXHSxiXuU
Mother of all gimbals