Stay in touch with the people who matter to you. Tango is the messaging app with the best video calling. All messages and calls are free. Tango works on smartphones and tablets. Join over 350 million people on Tango! · BEST VIDEO CALLING - Tango is the first and the best video calling app. It works on smartphones and tablets, so you can always call the people who matter to you anywhere in the world. Hear their voice and see their face with the be...