Send a WhatsApp message to any new number without saving it. QWK Chat app will help you to send WhatsApp message to any mobile without having to save the number in your contacts first. Say, you just met a friend or a business associate. And you need to a send a WhatsApp message to his number? Taking down his number, then saving it and then again search it in WhatsApp before you can send a message. This is tedious and slow. With QWK chat App, you can send a quick WhatsApp message without havi