My Crystalys app for iPhone and iPad

Join the app of your building (office or home) and enjoy many services directly from your mobile.


Witco is a simple, practical & secure application to stay informed and communicate within a building.

The application allows you to :
- follow whats happening in your building in real time, with your buildings news and incidents reporting
- to chat with other buildings occupants via messenger or a forum
- benefit from services to simplify your daily life: concierge services, reservation of common areas or goods, parcel delivery and all other third party services integrated into the app.