Technology: WhatsApp claims that more than 100 million voice calls are made on daily basis. The voice calling feature was initially introduced for Android followed by iOS, BlackBerry and Windows Phone.
According to the company, "Today, more than 100 million voice calls are made every day on WhatsApp that's over 1,100 calls a second! We're humbled that so many people have found this feature useful, and we're committed to making it even better in the months to come."
To refresh on WhtsApp voice calling feature, the service is free and not charged by WhatsApp. Much like other apps like Skype and Viber offering VoIP, WhatsApp voice calling uses a data connection to place a call, whether over Wi-Fi or mobile data. This data use however can be chargeable, based on your Internet plan.
Talking about how WhatsApp voice-calling feature has made things easier for people, Jan Koum, Co-founder and CEO said in a Facebook post, "Since the early days of WhatsApp, we've worked to tear down the boundaries that stand between people staying. In touch with their friends and family. A little over a year ago, we made it possible to make calls using WhatsApp – for those times when it's important to hear a voice on the other end of your phone. Today, we're proud that people are making 100 million calls a day on WhatsApp!"