Unable to pair
Try removing the existing pairing on both the camera and the iPhone, then try repairing.
On camera: Network
-> Bluetooth
-> Managed Paired Device
-> Delete iPhone
On iPhone: Settings
-> Bluetooth
-> Tap the (i) next to your camera
-> Forget this Device
Then turn camera off and on again, and try repairing with the app.
Time zone correction does not work
Time zone (area) correction is currently in beta, and requires a supported camera. This feature requires an up to date version body firmware that supports the Creators’ app.
If you have having issues getting it working, ensure your camera body is up to date, and this feature exists for your camera.