This app uses WhatsApp 'click to chat' feature (https://faq.whatsapp.com/en/android/26000030/) to open a chat with any number (a chat between you and that number).
No contact is created on the device, you don't need to save it on your contacts list. Just open the app, enter the number, click the button and the chat will open (if the number doesn't exists WhatsApp will notify it).

Useful on situations like:
- Someone called you and you want to contact it via WhatsApp?
- Someone called you and you want to contact it via Message?
- You need to send a message to someone but you don't want to save it?
- You want to start a chat with yourself?
- Country code detected automatically
- Option to change Country Code
(useful when added a number outside your country )
- Delete numbers from your integrated list
- Easy and clean interface
- Chat with yourself
- it is not possible to spy other conversations

This is a tool app: simple and lightweight. No extra features, no extra size, no permissions