Finds phones, earbuds, watches, TVs and speakers and walks you toward them. The screen goes from cold blue to hot red. A camera view shows nearby devices as colored circles. Start with just this iPhone: camera view, a Bluetooth list (closest first), and a quick scan of your Wi-Fi. Optional free Mac home base. $2.99 once, no subscription, no in-app purchases. Signal strength is a guide, not a tape measure.

House Radar

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