WA Direct Chat is the best tool to start chatting without saving contact numbers.

Are you having trouble starting a chat with a new number that isn't stored in your contact list?

Unknown numbers contact you and you want to know if they use WhatsApp?

Do you want to start chatting on WhatsApp with yourself?

Install WA Direct Chat to help you start chatting on WhatsApp with unknown numbers and schedule messages for anyone without saving numbers on your smartphone.

Everything you can do easily is free and can function offline.

Feature:
✔ Simple to use
✔ Start chat on WhatsApp with unknown numbers
✔ Choice of country telephone code
✔ Save the number for later chat
✔ Chat directly from the contact list
✔ Can work without internet connection / offline

Disclaimer :
This app doesn't belong to WhatsApp Inc, and it doesn't have any relationship with it.