Tachiyomi is excellent for comics even though it might seem like (and originally is?) a manga reader.

I use it with the Komga plugin to read comics from my self-hosted Komga server.

Been using them for years and aside from a single domain at Google (rip) I have been using them exclusively for the last couple of years. Hard to beat the prices and the support is top-notch.

And who doesn’t love a cute little piggie!

Seconding these!