The very slim Tedee looks the least like a foreign object on the door. There is an even more compact Pro version with a rechargeable battery. However, it costs twice as much and requires a cylinder change. The battery-operated "Go" is simply put on. Auto-Unlock and remote access only work with the Tedee-Bridge for an extra 79 euros.

If you are looking for a Smart Lock that is hardly noticeable on the front door and is easy to install, then the Tedee Go is exactly what you need. It should only be a little quieter.