Hidden GPS trackers for cars are designed for discreet vehicle tracking and theft recovery. Unlike OBD trackers, hidden trackers can be placed under seats, inside the dashboard, or under the vehicle using magnetic mounts. LandAirSea and Vyncs are popular hidden GPS tracker options because they offer real-time tracking and location history. Hidden trackers are useful for parents, business owners, and people who want extra vehicle security. Battery life, update frequency, and hidden placement options are important when choosing a hidden GPS tracker.