Some successful independent dating site owners chose running their services for free initially, just to build the customer base and raise recognition. (skadate.com)
However, there are also some companies just run their services on their website without developing a dating app. (wantmillionaire.com)
Usually, the company running the service you're using can look at the messages and legally must provide them to the cops when presented with the appropriate legal documents. (businessinsider.my)