They have also told how they felt let down by the police, and those behind the apps, who did not seem interested in taking action.
"After a period, he told me that his mum had been diagnosed with cancer - he even cried when he told me - and that he would be spending every weekend in Yorkshire with her.
"Of course what I now know was that was just his excuse to spend time with his wife and kids." Eventually it emerged that "Antony Ray" had created a fake profile on Tinder and was in fact a serial womaniser, despite having a wife and children.
He even used a picture of Bollywood star Saif Ali Khan to help lure women in.
Miss Davis added: "The police just told me to be careful online, to take my Facebook down, to change my number and stuff like that." She claims that cops said they were unable to put the resources into tracing the malicious user, and that they may not have committed a crime.
Miss Davis added: "I went to the app to complain, but Plenty of Fish were useless.