Pet tracking devices fall into two main categories: GPS trackers that use cellular networks for real-time location and Bluetooth trackers that work within a limited range. The best choice depends on your pet's size, habits, and how far they might roam.

GPS trackers provide real-time location updates through a companion app on your phone. Most require a monthly subscription for cellular data, typically ranging from five to fifteen dollars per month. Look for devices with geofencing, which alerts you when your pet leaves a designated safe area. Battery life varies from two days to several weeks depending on update frequency and device size. Leading options often include waterproofing, activity monitoring, and temperature alerts.

Bluetooth trackers are smaller, cheaper, and subscription-free, but they only work within about 30 to 100 feet. They rely on a network of other users' phones to extend range, which works well in urban areas but poorly in rural settings. These are better suited for indoor cats or as a secondary backup.

Key features to compare include weight and size relative to your pet, battery life versus charging method, subscription cost, network coverage in your area, waterproof rating, and durability. Some devices attach to existing collars while others are integrated into a proprietary collar.

For cats, prioritize lightweight devices under one ounce. For dogs, you have more options across weight classes. Avoid devices that are more than five percent of your pet's body weight.

No tracker replaces proper identification. Always pair electronic tracking with a microchip and a collar tag showing your current phone number. Technology can fail, but layered identification gives your pet the best chance of returning home.