Happn is a dating app that allows users to find people they have crossed paths with. The app has over 100 million members and is free to download and use. When two users cross paths, their profiles appear on each other's app. Users can like someone's profile secretly, and if the like is mutual, they get a Crush and can start chatting. The app also allows users to send FlashNotes to stand out and make a memorable first impression. Premium users get access to more features, such as the list of people who have liked their profile. Happn prioritizes confidentiality, and users' locations are never visible to other members.

Happn's app is based on the principle of reciprocity, ensuring that users only receive messages from people they are interested in. The app's confidentiality policy ensures that users' locations are never visible to other members, and only the places they have crossed paths with are shown. Happn prioritizes user privacy and has a dedicated page on its website that explains its privacy policy. Users can also access privacy basics to learn more about how their data is collected and used.

Happn encourages users to Crush with confidence and make the first message memorable. The app's unique feature of showing profiles of people users have crossed paths with makes it stand out from other dating apps. With its focus on confidentiality and privacy, Happn provides a safe and secure platform for users to find their potential matches.