The best automatic dog feeder for large dogs is the PetSafe Smart Feed, with 4-cup meals, a 24-cup hopper and a Wi-Fi app. PETLIBRO Space and mega-capacity picks compared.

The best dog subscription box for large dogs is BARK Super Chewer (~$29–45/mo, free toy replacement). Bullymake and BarkBox compared, with real annual costs.

The best GPS dog tracker for large dogs is the Tractive DOG XL, with a month-long battery, worldwide tracking and plans from about $5/mo. Fi Series 3 and Halo Collar 5 compared, with real subscription costs.