Within about the past week I've noticed that DoggCatcher volume while using bluetooth headphones is much lower than normal. Other apps on my have normal volume. I have to have my volume all the way up while listening to podcasts for it to be barely loud enough to hear in a quiet environment. When other apps chime in it nearly blows my eardrums out. I think volume is about normal when I'm playing through my phone's speaker.
My apologies, it looks like the issue was somehow the volume for DoggCatcher got lowered in the “Individual App Volumes” settings on my phone.