According to Dustthey are the world's most secure messenger, where messages disappear right after being viewed, eliminating all evidence.
Chat room apps give you a chance to join tons of chat rooms, find people with similar interests, and get to know them better. The best way to meet people is still social gatherings and events for the most part.
Rebecca Jane Stokes. Bonus : Wickr was co-founded by a woman. Sounds pretty scary, but whatever floats your boat.
Similarly, in European and US, the popularity of the apps varies from cities to cities. It has bugs, some spam accounts, and some other issues. Join YourTango Experts.