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About this app

When you enter the house or even an individual room, Crownstone notices you and automatically turns on devices or lights that are plugged into it. You immediately save money on your electricity bill, but moreover, you don't need to reach for a switch if it's dark or if you're carrying groceries.

Using Bluetooth Low Energy, the Crownstone combines indoor localization with device recognition. The indoor localization is used to detect if you're in a certain room to increase comfort. The device recognition can be used to increase safety. For example, when you're not in the kitchen, a dangerous device like a blender cannot be turned on by your 4-year old!

So, note that you have to buy the hardware, the plugs or builtin Crownstones, at to be able to make use of this app!


We're working hard on adding all of the features in our vision to the Crownstone app! We will update the app every few weeks with new functionality!
Updated on
Jan 20, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, Personal info and 4 others
Data is encrypted in transit
You can request that data be deleted

What's new

Full redesign of the app to give it a fresh modern feel!
Reorder Crownstones in a room and scenes by dragging them.
Indoor localisation has been reworked, making it more reliable and giving you more tools to perfect it.
Support for double-tap-switchcraft!
Rooms have optional stock colored backgrounds.
Added quick-dim button.
Energy history for use with external devices that upload the data (opt-in).
Support for locally hosted cloud instead of using the Crownstone cloud.