Fi Series 3 Smart Dog Collar vs Whistle Health + GPS Pet Tracker
Head-to-head comparison — specs, scores, pros & cons, and our expert verdict to help you pick the right one for your dog.
Our Pick
FiPremium
Fi Series 3 Smart Dog Collar
4.5(8,342 reviews)
9/10 overall
Ratings Breakdown
| Category | Fi Series 3 Smart Dog Collar | Whistle Health + GPS Pet Tracker |
|---|---|---|
| Overall | 9 | 8.4 |
| Value | 5 | 6.1 |
| Quality | 9.1 | 8.5 |
| Durability | 8.6 | 8.1 |
| Ease of Use | 8.7 | 8.1 |
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
Whistle Health + GPS Pet Tracker
Pros
- ✓GPS + health monitoring in one device
- ✓Activity goals and sleep tracking
- ✓Vet chat feature included
Cons
- ✗Monthly subscription required ($9.95/mo)
- ✗Battery life only 7-10 days
Specs Comparison
| Spec | Fi Series 3 Smart Dog Collar | Whistle Health + GPS Pet Tracker |
|---|---|---|
| Type | GPS Smart Collar | GPS + Health Tracker |
| Battery Life | Up to 3 months | Up to 20 days |
| Subscription | Required ($99/yr or $9/mo) | Required ($6.95/mo+) |
| Connectivity | LTE-M + Wi-Fi + Bluetooth | LTE-M + Wi-Fi + Bluetooth |
| Best For | Escape-prone dogs & activity tracking | Health monitoring & location tracking |
| Spec | ||
|---|---|---|
| Buy | ||
| Scores | Overall 9 Value 5 Quality 9.1 Durability 8.6 | Overall 8.4 Value 6.1 Quality 8.5 Durability 8.1 |
| Type | GPS Smart Collar | GPS + Health Tracker |
| Battery Life | Up to 3 months | Up to 20 days |
| Subscription | Required ($99/yr or $9/mo) | Required ($6.95/mo+) |
| Connectivity | LTE-M + Wi-Fi + Bluetooth | LTE-M + Wi-Fi + Bluetooth |
| Best For | Escape-prone dogs & activity tracking | Health monitoring & location tracking |
* Prices may vary. Click to see latest pricing at each retailer.
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Our Verdict
Winner
Fi Series 3 Smart Dog Collar
9/10 overall
Fi Series 3 Smart Dog Collar takes the win with a solid overall score of 9 compared to 8.4 for Whistle Health + GPS Pet Tracker. The Fi Series 3 Smart Dog Collar offers a better balance of quality, value, and durability, though the Whistle Health + GPS Pet Tracker remains a strong option if its specific features better match your needs.