By looking at your Facebook social graph, Match Alarm recommends a new person for you every morning at 8am.
If individuals find each other attractive, they can start chatting within the app.
You can set your preferences for your partner, and click through the options displayed.
On a related note, US-based dating site for people already in a relationship, Ashley Madison, recently made its official launch in Japan.
You can search for your ideal partner using 24 criteria, including age, nationality, income, personality, and more.
As with other sites, users can hide their Facebook identity until they feel comfortable enough to share with the other person.
Judging by the posts on its Facebook page, they appear to target men more than women.