Then why do have to use both, a unified push server and a mollysocket, if both are doing the exact same thing?

Oh yes. Like, I selfhost both, ntfy and MollySocket. I am sure MollySocket does encrypt the data.

Yes, they can read the data. But apps like Molly (Signal Fork) send encrypted notifications. So, the time and some other metadata may be read by the server, but the content and contact won’t be visible in plain text.

It’s pronounced as loo-che