At least in US it wouldn't. The opposite, women rating men, is called Lulu: https://onlulu.com/
Here in Brazil Lulu got in a lot of trouble, mostly because our constitution contains equality articles, an app that only allowed women to create profiles was considered discriminatory.
I'm pretty sure this would be illegal (if not downright criminal) almost everywhere.
At least in US it wouldn't. The opposite, women rating men, is called Lulu: https://onlulu.com/
Here in Brazil Lulu got in a lot of trouble, mostly because our constitution contains equality articles, an app that only allowed women to create profiles was considered discriminatory.
It's strange that some countries laws allow indiscriminate copies of people's photos without consent.
In European Union it would violate image rights in most countries and dignity rights in all of them.