After 4.0 update is not recording audio

After 4.0 update is not recording audio.
It was the only app on my iphone4 to record audio with the video. Improved!
How can download the previous version?

4.0.1 No sound :(

5.0 No sound :(

maxosmedia about Video Zoom Pro: HD Camera with Live Zoom, Effects, Pause, snapshot photo and Movie Sharing, v5.0