Truly free online dating services offer free communication and obtain their revenue from advertising or other sources.
Other dating sites operate upon a mixed or "freemium" model, where basic features are free of charge, but advanced features such as virtual gifts are available to paying users only.
Beside this, It is possible to share your screen and display photos without sending to other members.
uses a map system and allows its members to set their location on the map, therefore, it is possible to view the members who live on a specific geographical region.
Some "free" online dating services offer free registrations and search but are not truly free, since they charge users to communicate.