I stayed with Thomas for a few weeks.
He was a super host, very friendly, welcoming (even carried my luggage up the stairs!) and helpful.
They flat is super cozy and modern, and the room was bigger than I expected.
The location, just 1 S-Bahn station from the Hauptbahnhof is also quite convenient, especially if you plan to go to the Oktoberfest.
I can recommend other people to stay at his place for sure :)