Find your lost Bluetooth devices
Audio-guided tracking with real-time signal feedback. Walk toward the beep — higher pitch means closer.
Download on the App Store
Audio-guided tracking with real-time signal feedback. Walk toward the beep — higher pitch means closer.
Download on the App Store 
Select a device and listen. The pitch rises as you get closer and drops as you move away. Real-time trend feedback tells you if you're Getting Warmer or Getting Colder.
Works with any Bluetooth Low Energy device — Fitbit, Tile, AirPods, smart watches, and more.
Walk around and watch a live heatmap build in real time. Green marks the strongest signal, fading to red where it's weakest. The crosshair shows the estimated device location.
Adjust the color slider to fine-tune contrast. Pause to study the map, clear to start fresh.
Every Bluetooth device broadcasts at a different power level. Calibrate yours by simply walking away from it — FindMyBlue measures the signal at multiple distances to build a custom profile.
Calibrated devices get more accurate distance readings and better heatmaps.
Toggle Advanced Mode for UUIDs, raw dBm, sort options, and the map.
Automatically connects to nearby devices for faster, more frequent signal updates so you can find things quicker.
Pitch-mapped beeps let you search by ear.
Walk around and see signal strength painted on a map in real time. Green means close, red means far.
Weights signal strength over GPS for better accuracy when searching indoors behind walls.
No sign-up, no cloud, no subscriptions, no in-app purchases. Everything runs locally on your iPhone.