2024-09-22 00:00:00 WhatsFast - Chat without saving numbers Send messages directly to any number and start chatting without needing to save the contact. Fast, secure, and efficient communication. Easily connect with WhatsFast. WhatsFast is a powerful messaging app that provides a smooth and simple experience. It allows you to send messages to anyone without needing to save their number on your device, perfect for those who prefer not to fill up their contact list with numbers they only use occasionally.