All activity
Chatvisualizer is a data visualizations and statistics app for WhatsApp chats. It can be used right from WhatsApp (iOS and Android) by exporting and emailing chats to robot@chatvisualizer.com.
Demo visualization for a chat with randomly generated data: http://chatvisualizer.com/demo
Chatvisualizer for WhatsAppData visualization and analysis for WhatsApp chats
Mischa Koenigleft a comment
Seems to be inspired very much by https://www.getscenery.com/
Smartmockups AppCreate stunning product screenshots in seconds!