Haferkater

Looks like they're open every day, so you don't need to worry about timing your visit around a closed day.

According to available data, this is a cafe. Usually a better fit for coffee, desserts, short meetups, or getting a bit of work done at a table.

Cuisine: coffee shop. Gives you a general sense of what's on the menu — useful if you have a preference or dietary restriction going in.

Floor: 0. Useful to know in advance, especially in buildings with limited lift access.