Tusi by Nautilus Beam is a smartwatch chat app which features a unique keyboard interface that makes typing on tiny screens fast and simple.



  • Accuracy of word prediction improves with use  
  • Allows input via fingertip with absolute precision    
  • Characters are not obscured while typing
  • Supports circular and square devices      
  • Save personalised vocabulary  
  • Configure interface functionality


  • Reduces characters input by up to 70%    
  • Ideal for specialists who use lengthy industry jargon    
  • No prior training required to operate    
  • Privacy (avoid speaking to watch in public)
  • Text input works without a data connection 
  • Intuitive user interface avoids “cognitive overload”