Man, now that I look, there really are very few that are still in active delopment.

Before Symfonium, I was using FX (also paid) for years, but hated how it didn’t read and cache files from my NAS, so I’d have to use another app to keep my very large library synced with my phone.

I hope you find something that works for you. It’s a shame that we don’t have more options here. I wonder if it’s because more people are moving to streaming platforms, and fewer of us use local/offline collections.