Homecam is the only universal app to allow you to monitor multiple HomeKit supported cameras live on one screen.
With Homecam, you can view all your HomeKit cameras live on one screen, not snapshots that lag behind the reality of what your cameras are seeing, and quickly glance at selected camera feeds live in a Today widget.
HomeScan for HomeKit is best way to diagnose Bluetooth signal issues and improve the responsiveness of your Bluetooth based HomeKit devices.
Place your iPhone on your HomeKit Hub such as Apple TV or HomePod, then simply let the phone read out the signal strength or stream it to your Apple Watch for remote viewing as you place your device.