[henriks]

Apparently[1] FreshRSS implements the Fever API, which is compatible with a few nice iOS clients at least. I'm using Reeder[2] with Miniflux[3], which implements the same API, and am very happy with the combination.

1) https://github.com/FreshRSS/FreshRSS/pull/1836

2) https://apps.apple.com/us/app/reeder-4/id1449412357

3) https://miniflux.app/