The location was really convenient - the train to the main station was like four minutes long and left Wiedikon regularly. The apartment was a short walk from the station and there are groceries and restaurants all through the neighborhood. You could feel/hear the trains from the apartment but it wasn't the kind of noise that would keep you up, just a gentle rumble like soft thunder.
The shower was very hard to get in and out of and very slippery, so take care with that and maybe not for elderly people. The kitchen was also an awkward layout but functional :)
The apartment was simple, but everything needed for a place to stay was there.
Daniella and Arno were friendly, communicative, and accommodating. I have nothing but positive things to say about interacting with them - lovely people. That, combined with the location make this a worthy place to stay ;)