Use your smartphone as a door opener now 


Tired of keys? Why not use your smartphone around to open doors? You always carry it around with you anyway. This is already possible in our MobileKey system. What's more, if you can't be there yourself on time, you can use Key4Friends to issue temporary access authorisations to people you trust.

Advantages of smartphones as digital door openers: 

  • Freely programmable
  • Lockable at the click of a mouse, e. g. in case of loss or theft


  • A smartphone can be used in up to four separate locking systems
  • The different MobileKey identification media can be combined in a single system

Digital door opener – opening doors with a mobile phone is so easy.  

▶ Remote smartphone key


Use your iOS or Android phone as a smart door opener. With Key4Friends, you can send time-limited access codes to any smartphone. The recipient simply needs to download the right app (Android/iOS), register and then has access to your home. Electronic invitations are valid for up to six months.




Smartphone zum Tür öffnen
System 3060 | Digital Cylinder AX | Location
Digitales Vorhängeschloss AX

More information on our different locking systems 

Would you like to learn more about our products and product variants?
Browse through our product catalogue or contact your SimonsVoss specialist retail partner.