Men who solicit street workers outside three new approved zones, including the cluster of sex boxes, will face fines of up to 450 francs (£310).
"We want to regulate prostitution because until now it was the law of the jungle," said Michael Herzig, from Zurich's social welfare department, when the initiative was announced.
By matching users with friends of friends (like Tinder, it uses Facebook as its underlying database), it should appeal to the man who's interested in refined dating, not here-today-forgotten-tomorrow-morning flings.
The drive-in "sex boxes" as they are being called, will be officially opened on August 26, as part of a drive by authorities in Zurich to regulate prostitution, combat pimping and improve security for sex workers.
The Secret website has over 850,000 people who have signed up in order to find low-commitment erotic encounters.