Not automatically for all providers yet. There is a submission assistant that simplifies filing through your provider's official channel.
No. Komunalka tracks readings and utility expenses; it does not process bill payments.
Yes, the smart import transfers your existing spreadsheet.
Yes; installable as an app (PWA), works offline.
Yes, multi-property support is built in.
You can self-host; your data stays on your server.
Currently free to use.