Short Answer
Pick Fi Series 3 if you want the longest battery life and the cleanest app experience for everyday US use. Pick Tractive if you travel internationally or want the most granular real-time tracking refresh rate.
The Fi Series 3
LTE-M cellular, up to 3 month battery, optional subscription tiers for extended features. Durable brushed aluminum hardware.
See Fi on ChewySide by Side
| Fi Series 3 | Tractive GPS LTE | |
|---|---|---|
| Battery life | Up to 3 months | 2 to 7 days |
| Real-time tracking refresh | Every 2 to 15 seconds | Every 2 to 5 seconds |
| Works internationally | US only | 150+ countries |
| App quality | Excellent | Good |
| Subscription cost | $99-$189/year | $96-$156/year |
| Collar durability | Aluminum hardware | Plastic |
| Price up-front | $149 | $50-$70 |
Where Fi Wins
Battery life. Three months versus five days is not a small difference. For pet parents who forget to charge things, Fi is dramatically less hassle. The app is also the best in the category, and the aluminum hardware feels genuinely durable after a year of rough outdoor use.
If you charge your dog's collar the way you charge your phone (every night), either works. If you want to charge it four times a year, Fi is the only answer.
Where Tractive Wins
International coverage. Tractive's SIM works in 150+ countries without additional fees, which matters if you travel, live near a border, or take international holidays with your dog. Fi is US-only.
Real-time refresh rate is also slightly faster on Tractive, which can matter in an active escape scenario.
Daily-use escape-prone dog in the US?
Fi is the default. 3 month battery, best app, durable hardware. You'll actually use it consistently.
See Fi on ChewyThe Subscription Reality
Both require cellular subscriptions. Budget $100 to $190/year on top of the device. If you're not willing to pay the subscription, neither collar works as a real-time GPS. An AirTag is a cheaper alternative for low-stakes indoor tracking.
Who Should Pick Which
Pick Fi if:
You live in the US, you want the longest battery life possible, and you value app quality. The best "set and forget" GPS collar.
Pick Tractive if:
You travel internationally or need the fastest real-time refresh. Also the cheaper device upfront if total cost matters.