Another free online dating app or site is eharmony, which markets itself toward relationship-minded singles. The site has been responsible for more than 2 million relationships in the U.S. alone. However, it does require a lot of effort, more conversation, and more effort than a paid online dating app. A good match on eharmony takes time, effort, and conversation, but it is worth the time and effort. If you're looking for a relationship, online dating apps are an excellent choice.