FreshRSS is nice. You can hook into any client you want on android/ios/etc… or use theirs. Reminds me of google reader and some others. This is what it looks like:

I have mine selfhosted. Pretty easy on yunohost, docker, or other sites. Looks like they have a couple of servers out there if you dont want to self host: https://freshrss.org/cloud-providers.html