kEntry App - Mobile management of master key systems Get more comfort, flexibility and security for your master key system. The kEntry app is a mobile client for your KESO online master key system. The app enables you to manage your master key system while on the move and to respond to the requirements of your organization at any time. Your advantages at a glance Block lost or stolen keys/cards in a matter of seconds Allocate authorizations for online doors to users in 3 clicks Check and monitor the status of online doors Open online doors remotely, e.g. for couriers…all of this via WiFi or UMTS connection at any time!