If you are a Facebook user, then the messenger comes as an already installed app you can use for videocall.
It is effortless to use with one tap call feature, and the chances are that your friends and family already have the app on their phones.
It supports group calls, and it is available on iOS, Android, and also any browser logged into the Facebook account.
They offer a high definition video chat and a selection of gifs and stickers you can use to have fun with your friends.
However. Be aware that it can drain your battery quickly.
You can install Facebook Messenger Lite, a version with fewer features but which consumes fewer resources on your phone.
Also, you receive persistent notifications, and only some of them can be turned off.