WhatsApp's voice calling doesn't seem like it has changed a lot since it was first tested as an invite-only feature then released to everyone in March of 2015. But the service, from my personal experience, has become more reliable, less spotty, with fewer delays and disconnections. Around me, everyone uses WhatsApp calls, because everyone is on WhatsApp to begin with, but also because local calls still aren't unlimited or cheap on any plan, not to mention the exorbitant prices of international calls. WhatsApp calls have almost completely replaced regular calls for us, and it's not hard to imagine that it must be the same in other countries where WhatsApp is popular too.

Read More