3 emails to get support and nothing yet?

I recorded a Lovattos concert and I felt so sad when later on I realized half of the concert had only sound. Tried to reach reps to get help and nothing. Ive been waiting for 6 months and nothing;I think I will get rid of this useless app.

Kim Pak about Video Zoom Pro: HD Camera with Live Zoom, Effects, Pause, snapshot photo and Movie Sharing, v6.1.2