Swiss Securium® is an encrypted instant messenger being a part of a secured communication and collaboration platform for businesses. It is not a standalone application. You need a paid subscription for the whole platform SWISS SECURIUM® (more info on our website www.swiss-securium.ch / or on enquiry at [email protected]). The main functions of the app: • Instant messaging (with editing/deletion/citing/copying) • Group chats up to 200 users • Audio and video calls (Secure Real-Time Tr