Fast Zap is a free Android application developed by Mapps Marcelo Araujo Apps that allows you to start a new WhatsApp conversation without the need to add the number to your contacts list. It is a useful utility tool that helps you to keep your contact list clean and organized.

Using Fast Zap is simple and easy. All you need to do is select the country, add the phone number you want to send the message to, and type your message. You can also choose from pre-set messages and select them to send to the contact. Once you have entered all the details, click on "Send Message," and the conversation will start immediately.

Fast Zap is a must-have app for anyone who wants to keep their contact list tidy and free from unknown numbers. It is a lightweight and user-friendly app that does not require any special permissions to function. Fast Zap is not sponsored and has no commercial link with WhatsApp.