The First AI Fitness Coach

VAY detects mistakes in your form with your smartphone’s camera. Simply position your smartphone and start the app. Body-weight exercises and weight exercises supported.

Get Immediate Feedback and Statistics

Real-time visual & auditory feedback

The app knows what exercise you’re doing and detects repetitions as well as execution mistakes. Don’t worry about injuries anymore. Furthermore, motivating feedback pushes you to the limit. Everything to provide you with the most effective workout possible.


Alexander Pfyffer

After tearing his cruciate ligament Alex tried to find a way to reduce the risk of injury in sports – this is when VAY was born. He finished his Master’s degree in Business Administration and Computer Science at University of Zurich.

Joel Roos

Professional Volleyball Player, representing the Swiss national team. Joel has a master in robotics and is responsible for the technology.

Caspar Leuzinger

Red belt in taekwon-do and passionate about marketing, especially photo and video. Currently studying Business Administration.

Developed in Collaboration with Universities


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