imo free HD video calls and chat

The Description 

Message and video call your friends and family for free, no matter what device they are on.

.High-quality video and voice calls on Android and iPhone.
.Free and unlimited messages and video and voice calls over 2G, 3G, 4G* or Wi-Fi
.Group video calls with friends, family and others!
. Fast photo and video sharing.
.Hundreds of free stickers.
.Avoid SMS and phone call charges.