WhatsApp Business

Mostly Awaiting "WhatsApp" for Business 

is being tested by a Group of testers. 

Acording to news "WhatsApp Business "

Will be stand alone Application with a change in its logo. In WhatsApp Business in the logo Call 📞 symbol will replace with "B" 

Acording to The Wall Street Journal

"We do intend on charging businesses in the future. We don't have the details of monetisation figured out," WhatsApp's Chief Operating Officer Matt Idema was quoted as saying.
However, after downloading, the app looks the same as WhatsApp, barring the title bar that says "WhatsApp Business".
New WhatsApp Business application will be equipped with new features like Auto Response, A business Profile, Chat Migration and analytics.