DepthSnap is a small independent tool — no account, no support portal, no ticket queue. Email reaches a human directly.
hello [at] depthsnap [dot] com
Bug reports and feature requests are read first; answers usually within a couple of days.
Playback and format problems are usually answered by the conversion guide, the “looks stretched” fix, or the FAQ on the home page.
Privacy questions: the privacy policy explains what stays on your device (everything).