WhatsApp uses your phone's cellular connection or Wi-Fi network to send and receive messages and calls to your family and friends. As long as you haven't exceeded your mobile data allowance or you're connected to a free Wi-Fi network, your mobile provider shouldn't charge you for messaging or calling over WhatsApp.

Does WhatsApp use your phone number?

WhatsApp requires your phone number to start the service and this contact number can be seen by anyone added in our contact list. Unfortunately, there is no way to hide your phone number on WhatsApp. The app requires your valid phone number to let you login into the service.

What are the disadvantages of using WhatsApp?

Drawbacks or disadvantages of Whatsapp

➨There is no option to hide from particular users. ➨It is not possible to send messages into normal inbox of the mobile phone. ➨There is a risk of anyone reading the message meant for you only. This often creates problem in the happy home.