Tractive LTE GPS vs Fi Series 3
Head-to-head comparison based on trust scores, features, pricing, and real user feedback.
Our pick: Fi Series 3 (Trust Score 9.1 vs 8.2)
8.2
Good
Best Range
Pros
- +Very affordable upfront cost under $70
- +Worldwide LTE coverage — works internationally
- +Lightweight at just 35g — suitable for medium to small dogs
Cons
- −Battery life is only 2-5 days with regular tracking
- −Build quality feels less premium than Fi or Whistle
Don't buy if
- ⚠ Short battery life means frequent charging — not ideal if you forget to charge devices
- ⚠ Subscription is required and charged monthly or annually ($5-13/month)
9.1
Excellent
Best Overall
Pros
- +Industry-leading battery life — up to 3 months on a charge
- +Accurate real-time GPS tracking via LTE and WiFi
- +Instant escape alerts when your dog leaves a safe zone
Cons
- −Requires a subscription ($99/year or $8.25/month)
- −Collar band options are limited in sizing for very small dogs
Don't buy if
- ⚠ Ongoing subscription cost adds up — budget $99/year on top of the collar price
- ⚠ LTE coverage gaps in very rural areas can cause tracking delays