[purjolok]

https://newsblur.com

It's an online service. It has features to extract the whole story from the source website, and to automatically filter feed items according to title, author, tags etc. There are android and iOS apps available; at least the Android one is opensource.

One can self-host it, but at $36/year it's almost worth it paying the author to avoid the hassle.

[laverya]

It'd cost more to run it yourself on DigitalOcean, as far as I can tell.

[aquir]

I use that as well, great service and the annual cost is very-very good.