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W Wag & Wander

Comparison

Fi vs Tractive vs Garmin: Which Dog GPS Tracker Is Right for You?

Last verified July 24, 2026

Tractive DOG 6

Tractive DOG 6

Our pick

The best live cellular tracker for everyday use. Shows your dog's position in near real time almost anywhere there's cell coverage, with a thin, light collar. Requires a subscription.

Fi Series 3+

Fi Series 3+

Best for specific needs

The battery champion — up to three months between charges in the right conditions. Slower to update away from home and leans on a membership, but unbeatable if you hate charging.

Garmin Alpha TT 25

Garmin Alpha TT 25

Best for specific needs

A radio/GPS collar-and-handheld system that works far off the grid with no subscription. Higher up-front cost and steeper learning curve, but the only option that tracks where there is no cell service.

How we'd choose

Pick by the coverage you actually need. If you want to open an app and see your dog right now, almost anywhere, choose a cellular subscription tracker — Tractive for the most responsive live tracking, Fi if months-long battery matters more than second-by-second updates. If you hunt, ranch, or hike deep enough that there is no cell service, only a radio system like Garmin will track your dog, and the subscription savings offset the higher hardware cost over time. Total cost = hardware plus subscription, so compare the multi-year number, not just the sticker price.

Sources & research