For most large dogs, the Tractive DOG XL is the best GPS collar overall: real-time tracking, unlimited cellular range, and the lowest running cost. The Fi Series 3+ wins on battery life and escape-proof durability, and the Halo Collar 5…

The smart gear worth buying for a large dog, ranked by impact: GPS tracker, dog camera, automatic feeder and toy subscription, with budget-based buying plans.

The best dog camera treat dispenser for large dogs is the Petcube Bites 2 Lite at about $70, with no subscription and room for big-dog-sized treats. Furbo 360 and budget cams compared for dogs home alone.