I'm not sure where our misunderstanding is but I understand how bluetooth works. I was saying that the type of bluetooth thermometers you posted a link to are not the same as an app to control all aspects of the fridge. I have some of what you posted, and I also have an Accurite indoor/outdoor on my work truck fridge which I've been using for years. It's old school, not bluetooth. Anyway, a fridge app which completely controls fridge (via wifi or bluetooth) is what I'm trying to gain feedback on, not alternatives to the native fridge apps.That’s NOT how Bluetooth works. Once you connect it stays connected even if you move away to where it’s not connected or if you close app or switch apps. Even if you shut down phone thermometer cons and continuously will collect and store data. As soon as connection is restored it will upload data to device via Bluetooth seamlessly.