(Is there an open source app that fetches and scrapes sites instead of the subscription model?)
App for android Handy news reader does that.
https://f-droid.org/en/packages/ru.yanus171.feedexfork/
https://github.com/yanus171/Handy-News-Reader/releases
App for android Handy news reader does that.
https://f-droid.org/en/packages/ru.yanus171.feedexfork/
https://github.com/yanus171/Handy-News-Reader/releases