AltBeacon Loc is an Android app developed by Radius Networks Inc. that allows users to find any nearby beacon with real-time distance estimates. The app is available for free and falls under the category of Utilities & Tools. It requires a device with Bluetooth Low Energy (BLE) and Android 5.0 or higher for beacon transmission.

AltBeacon Loc comes packed with features that make it stand out from other beacon detection apps. The app allows users to see any beacon, even if they don't know its identifiers. It also detects and decodes Eddystone beacons, which is a unique feature. Users can also transmit as a beacon on Nexus 6, Nexus 9, and select Android 5.0 devices. AltBeacon Loc is configurable to use a wide variety of beacon formats and even allows users to calibrate their own beacons.

Overall, AltBeacon Loc is a useful and versatile app for those who work with beacons and need a reliable way to detect them. The app's real-time distance estimates and unique features make it a valuable tool for any beacon enthusiast.