imo

imo is a really popular messaging app that comes with a ton of cool features, and that is light and easy to use. The app has a clear and functional interface, which means that users won’t have a problem in finding out how it works.
 
The best feature of imo is its ability to place calls at very high quality, and it works on Android and iPhones. Also, as long as you’re connected to a Wi-fi or a regular data plan, you won’t have to pay for SMS messages.
 
Also, users will be able to enter into group chats or video calls with your friends, send photos and videos, and use stickers and emoji to express yourself.