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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 WhatsApp
Data visualization and analysis for WhatsApp chats
Mischa Koenig
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Seems to be inspired very much by https://www.getscenery.com/
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