I have started work on getting my esp32 module connected to the iOS ANCS service. ANCS is a bluetooth service that essentially relays any notifications that appear on the iPhone to the device connected via Bluetooth/BLE. It's quite difficult because I for one, don't really know how to do this bluetooth stuff and secondly, iOS has quite a complex connection method in order to properly bond. If done correctly I won't even need an app for this device, my mind was blown to be honest, I've been trying to find a good app builder since I started this project.
There are codes ready to use online, however I lack proper knowledge on how to use these examples so I need to learn all this first.
This project has progressed so much and will continue to do so. I am willing to help anyone with a similar project so leave a comment or message :)