Seen Unseen - No Last Seen application is used for reading all social media like WhatsApp, Instagram, Messenger, Skype messages without informing the other user about the double tick.
In this application you can read WhatsApp messages without guessing the other person with seen status and blue tick, hide read sign as well as hide last seen status of chat-app.
No need to remove the internet connection or be in offline mode, you can hide your WhatsApp status with internet while reading your messages.