I sent the following review last version, and this update did not fix anything...
"Ok so this is by far the best a Capella app there is out there, no doubt about that. But every once in a while it randomly crashes. And also, sometimes for one or two of the little frame thingies in my video, in the middle of playback, the video slows down. Like the sound is perfectly fine, but the video is way off and it doesnt look like Im actually singing that part. This happens in almost all my videos. The crash problem can usually be fixed by turning my device off and on again, but I cant fix the video problem. PLEASE fix the video slow down problem, it annoys me so much!!! But I am IN LOVE with this app, like legit, this app is my boyfriend ;) XD"