Blendr is similar to Tinder and Grindr in that it uses GPS to connect people so that you can flirt or send images, texts to individuals nearby. The risk with this app is of course, predators using the app to lure prey. It’s a “chat-to-meet” app.
This app is unlike Grindr in that it is for men and women.
Here is a link to a story with a police warning regarding these apps.