Audacity only seemed really complicated because, when you opened it, it looked like something created by aliens from a planet far from our solar system. I know because that's what it looked like to me. Then, when I tried tutorials for it, I didn't understand any of the new "audio editing" vocabulary words so I didn't understand what was being said.
The problem is that Audacity (along with Wavosaur and a couple of others) are the easiest audio editors to use for recording and editing. The VST reverb filters for audio editors are really complicated.
You have to add the additional filters you want to use to the programs. Here's the search results at KVR for VST reverb filters.
http://www.kvraudio.com/q.php?search=1&ty[]=e&f2[]=vst&tg[]=11&cp[]=1&pr[]=f&av[]=re&sh[]=s&ob[]=rt&lm[]=200&bl[]=t
I went to the GVST site but don't see a GVerb filter.
http://www.gvst.co.uk/downloads.htm
I also did a search for voice/instrument recording with reverb software thinking that maybe there was something for children (or at the least, young people without any experience with audio editing software) and got nothing.