A police sting on gay dating app Grindr, in which an undercover officer posed as a 14-year-old boy, has ended with two convictions being overturned on appeal in the Supreme Court.

A man accused of sending lurid messages to the officer, who posed as “Mack Jones”, was cleared after successfully appealing his conviction in the Supreme Court.

A man was acquitted after an undercover police Grindr sting ended in convictions being overturned. Credit:Leon Neal

The court heard a female detective sergeant from Queensland Police’s child safety sexual crimes unit communicated with the man using a fake Grindr profile.

Grindr users must be 18 to use the app, although people can enter a date of birth without authentication of that date.