Google Duo is a free video chat app that lets you make video or voice calls and send messages from any device. Here's how to ...

Arattai, built by Zoho, is an Indian chat and calling app available on Android, iPhone, desktop, and TV. Here’s a step-by-step guide to download, set up, and use it.

Chinese tech giant Tencent's WeChat messaging app has seen a surge in downloads in the United States since Friday after Washington confirmed it would push ahead with a planned ban of the app, data ...