Litchi supports, Waypoints, Course Lock & Home Lock, Also waypoint control is far beyond Go App in my opinion.
Specifically when it comes to the Air. With only 18 mins of flight time, even if waypoints become available Air. you would need to fly the mission first moving the camera and drone into position at each waypoint first, then start the waypoint mission.
Therefore when setting up a waypoint mission, First you need to get into position.
At waypoints you can control focus points exactly, then take Pictures, Start & Stop recording and more. Each waypoint with stay focused on the interest automatically regardless of drone distance, height etc... set at each waypoint.
More than worth the small price to pay.