The problem is it works badly. You have to open the app which has to load and then you can get access to your key. But if you’re on an elevator then you might not have service and the app won’t load and then you can’t get to your key to use the elevator. Or worse if you don’t have great service in the corridor.
It needs to work in a way where the key is saved to your phone so it can be accessed quickly and offline.
