Fi Series 3 Smart Dog Collar vs Fi Mini GPS Tracker for Dogs
Scored head-to-head on every dimension — with a clear verdict and the best price on each.
Affiliate disclosure: As an Amazon Associate, PawBench earns from qualifying purchases. Prices shown are approximate and subject to change. Always verify current pricing on Amazon before purchasing.

Our verdict: Fi Series 3 Smart Dog Collar is the clear winner, 65 to 53 on the PawBench Score. The gap shows across most dimensions — especially lte gps + wifi + bluetooth tracking. Choose Fi Mini GPS Tracker for Dogs only if a specific feature it has is a dealbreaker.
| Spec | ||
|---|---|---|
| Buy | ||
PawBench Scoremethodology → | Reliability 67 Battery / Range 67 Ease of Use 67 Value 60 Owner Satisfaction 64 | Reliability 54 Battery / Range 54 Ease of Use 54 Value 69 Owner Satisfaction 36 |
| Buyer sentiment | Functionality Tracking Ease Of Use Peace Of Mind Responsiveness Buyers praise functionality, tracking, ease of use and peace of mind. Mixed feedback on battery life and accuracy. Some flag responsiveness. Based on 1,182 user mentions | — |
| Type | GPS Smart Collar | — |
| Battery Life | Up to 3 months | — |
| Subscription | Required ($99/yr or $9/mo) | — |
| Connectivity | LTE-M + Wi-Fi + Bluetooth | — |
| Best For | Escape-prone dogs & activity tracking | — |
| Brand | — | Fi |
* Prices are approximate and may vary. Please check the latest price on Amazon.
What owners actually say
Not enough owner reviews aggregated yet.
Pros & cons
Fi Series 3 Smart Dog Collar
Pros
- ✓LTE GPS + WiFi + Bluetooth tracking
- ✓3-month battery life
- ✓Sleep and activity monitoring
Cons
- ✗Requires $99/year subscription
- ✗Bulky for very small dogs
Fi Mini GPS Tracker for Dogs
Pros
- ✓Live Gps + Lte Pet Tracker
- ✓Escape Alerts
- ✓Versatile and Stylish
- ✓Smaller Design
