: Developer-focused apps like Bluetooth Inspector allow users to see detailed metadata about nearby devices, such as manufacturer and hardware models, that standard settings might hide. The Power of Low Energy (BLE)
: Apps like Beddit connect to external sensors to monitor heart rate, breathing, and sleep quality. This technology is what allows an iPhone to
Apple’s approach focuses heavily on Bluetooth Low Energy (BLE) , a protocol designed for tiny data packets and extreme battery efficiency. This technology is what allows an iPhone to stay "connected" to a smart treadmill or a heart rate monitor without draining its battery in an hour. A key feature of iOS is its ability to handle ; once an app is granted permission, it can continue to interact with a device even if the app isn't actively on the screen. Automation: The Next Level of Interaction Privacy and Management How to See Which Apps
: Users can program their phones to turn off "Do Not Disturb" or launch a home security app the moment they disconnect from a specific home Bluetooth accessory. Privacy and Management How to See Which Apps Are Using Your iPhone's Bluetooth once an app is granted permission
: Recovery apps for trackers like Tile use low-energy signals to help users locate lost items like keys and wallets.
: You can set your iPhone to automatically open a trip log book or start a specific playlist the moment it connects to your car's Bluetooth.