It's called Gatsby and like most conventional apps, users swipe left to pass on a person and swipe right to match.
But that's where the similarities end. When new users sign up for Gatsby, they're put through a criminal background check, which includes sex offender registries.
If anything comes up, including petty crimes like trespassing, the potential dater is rejected.
Gatsby also re-scans existing users every month and bans anyone convicted of a crime after their initial screening.
The people behind the app say the "safe dating movement" is all about taking the fear out of meeting someone online.
But critics argue a zero-tolerance approach is too extreme.
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