Lisa and Amad were amazing! First of all, they were very flexible about the check in time and waited for more than 2 hours , until 2am, while we were stuck in a very slow train (technical problem).
Then we could count on them when I left the key inside the apart in a Sunday night. Amad also brought food in case of my kid was hungry.
In summary, the apart has everything you need in terms of facilities ( coffee machine, hairdryer, microwave, oven etc) and in terms of "extra-not-expected-facilities " like coffee capsules, crema, salt, towels, tooth past, shampoo etc).
It is very close to central station, supermarket and marieplatz.