This article explains you that how to Configure Privacy Settings on WhatsApp.
Just Choose who can view your personal information on WhatsApp Messenger.
This simple procedure is the same for all the versions of the WhatsApp app (iOS, Android..)
Simple steps to Configure WhatsApp Privacy Settings
Now Go to WhatsApp, tap on the Menu button displayed at the top right corner and then select Settings.
Go to Account > Privacy > Who can see my personal info.
From this menu you can choose the default settings ( Everyone, My contacts or Nobody) for Last seen, Profile photo and Status:
You can set the following options separately for last seen, profile photo and/or status.
Your last seen, profile photo and/or status will be available to all WhatsApp users.
Your last seen, profile photo and/or status will be available to your WhatsApp contacts from your address book only.
Your last seen, profile photo and/or status will not be available to anyone.