Unfortunately, I am not aware of any other fitness center that offers similar facilities in Zurich as those offered by Fitnesspark. They have sort of cornered the market in the Wellness/Fitness-gym facilities. There are some, like Holmes Place, that try to compete against Fitnesspark. But, from the type of amenities that you mentioned you wish to have, as far as I am aware, only Fitnesspark would do it.