Pynwheel Access

The invisible fob for every apartment community.
Pynwheel Access enables mobile devices to communicate with any access reader in an apartment community without having to make updates to the system. It is generic fobless entry for the modern world.
Residents and staff of apartment properties that sign up for this service can breeze through doors with their phone in their pocket instead of having to get out their fob at every turn. It works in elevators, parking garages, at exterior doors, and at any common area.
Here's how it works:
Register once and then every time you open the Pynwheel Access app, it will activate fob readers in your vicinity even when it's running in the background.