Important!
Eufy Security IOS 4.0.0 introduced Home-Management.Due to this change the device sharing with a extra account has changed. If you are a new user for the Homey app or you want to add a new device to Homey this might cause issues.
At the current moment there’s no fix available yet.
Work-around: Use a android device to share the devices to your extra account.For questions please ask them in this thread.