I using facebook massanger from long time its best to chat and connect with friends. Its best invention and very useful app too. It can be download free of cost from play store and its very easy to install too. Using it much easy too.
With this massanger u can stay connected with family, friends and coworkers too. The design is very simple and perfect too. With this massanger u can share photo videos too. Now with this app video call facility is also available it works very well.
If u wana just voice call then it can be done with it. Video and audio clarity is very nice then other video calling app. Its free of cost. Now we can call any person from other corner of the world free of cost. It very easy too. Chatting with this app is more fun then whatsapp. When u receive any massage chat heads come on the front screen and u can reply them from here without open Facebook webpage or Facebook main app. Its available of iOS, windows and android phones. Its very useful app just try if u not get it yet.