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Archived App (Last seen on 19 Feb 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
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 what's happening in your building in real time, with your building's news and incidents' reporting
- to chat with other building's 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.
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What's New in My Crystalys
5.0.4
October 19, 2025
Feature improvements and bugs fixes.
