I paid for the full version many many years ago. I think it was a whopping $1 or something and I got grandfathered in somehow because I've always had full access to everything even though I never bought a subscription.
I'm in the same boat, but even with that I'm still finding myself avoiding them in favor of songsterr due to the ludicrous number of ads for features I never wanted or asked for in the app. Shockingly, they all cost more money! Who'dve thought