1. You cannot synch without a reference track playing on earphones Basically, you have to record the lead louder, back off on harmonies and backing vocals, you can only review all of the tracks mixed (audio only) that you've recorded to that point (you can't subtract any from any review), and then you can choose a border.
2. videos don't sync up and it's frankly poor design of an A CAPPELLA app that you can't listen to the audio from the other videos as you record so you can't effectively stack vocals and check for blend until the video is complete.
3. For example, when it won't start recording, restart the app; if it won't replace old takes, delete them in files; choose to listen to one audio track when recording, as the alternative will traumatize you; when you give up, delete the app, etc.It's fine over all.
4. and no way to edit or alter the prerecorded base track (not even to change the volume??? lame) once you start recording a video without just deleting the whole project.
5. You record one track, then it "calibrates" (whatever that's supposed to be doing), then you listen to the first track while recording the second.
6. I would definitely pay for the full version if A)the sync function worked, or B) I at least had the option to manually time align the clips.I tried it on a Motorola Z (Android), and you don't really get any options other than what they list.
7. However, my only complaint is that with each new vocal trac you record, the volume of your recording gets lower and lower.
8. The app needs a click track, and not to get super buzzy when the volume is toggled (recording tends to come out very soft).
9. Also, you can't hear all the harmonies you've already recorded, while you record new harmonies I real time.
10. It fails at doing the one thing it's supposed to do: let you record multiple tracks of yourself singing.
11. But after a few times, the software would stop recording a track after a few seconds.