In 2026, the "gold standard" for luggage tracking isn't actually a GPS tracker in the traditional sense, but rather Bluetooth-based tracking tags like the Apple AirTag or Samsung SmartTag2. While "GPS" trackers require a cellular subscription and a large battery, these tags utilize a massive network of nearby smartphones to relay their location to the owner. The Apple AirTag is widely considered the best for travelers because it leverages the "Find My" network of millions of iPhones globally, providing incredibly accurate location updates even when your bag is in the belly of an airport in a different country. For Android users, the Samsung SmartTag2 or Tile Pro are excellent alternatives with long battery lives and loud ringers to help you locate a bag in a crowded pile. These devices are officially permitted by airlines because they use tiny CR2032 batteries that don't pose a fire risk. Placing one of these in a hidden pocket of your suitcase provides immense peace of mind, allowing you to see if your bag actually made it onto the plane before you even take off, potentially saving hours of stress at the baggage carousel.