I was being a bit presumptuous about it not being popular but I'm basing it on the readers I have encountered as someone who tries new clients regularly, the on

I was being a bit presumptuous about it not being popular but I'm basing it on the readers I have encountered as someone who tries new clients regularly, the ones my friends have, and the frequency with which they're promoted by word of mouth on platforms like Reddit and HN. Maybe "not mainstream" would be fairer but with apps, it's tantamount to the same thing.