Fi Series 3 Smart Dog Collar vs Apple AirTag with Belkin Dog Collar Mount
Head-to-head comparison — specs, scores, pros & cons, and our expert verdict to help you pick the right one for your dog.
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.

Fi Series 3 Smart Dog Collar
From $149.00(prices may vary)
📦 Buy on Amazon
Apple AirTag with Belkin Dog Collar Mount
From $38.99(prices may vary)
📦 Buy on AmazonRatings Breakdown
| Category | Fi Series 3 Smart Dog Collar | Apple AirTag with Belkin Dog Collar Mount |
|---|---|---|
| Overall | 9 | 9.4 |
| Value | 5 | 8.1 |
| Quality | 9.1 | 9.5 |
| Durability | 8.6 | 9 |
| Ease of Use | 8.7 | 9.1 |
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
Apple AirTag with Belkin Dog Collar Mount
Pros
- ✓Leverages Apple's billion-device Find My network
- ✓No monthly subscription fees ever
- ✓Replaceable CR2032 battery lasts a full year
Cons
- ✗Not true GPS — relies on proximity to Apple devices for location
- ✗No real-time tracking, health monitoring, or geofencing
Specs Comparison
| Spec | Fi Series 3 Smart Dog Collar | Apple AirTag with Belkin Dog Collar Mount |
|---|---|---|
| Type | GPS Smart Collar | — |
| Battery Life | Up to 3 months | 1 year (CR2032 replaceable) |
| Subscription | Required ($99/yr or $9/mo) | — |
| Connectivity | LTE-M + Wi-Fi + Bluetooth | Bluetooth + Apple Find My network |
| Best For | Escape-prone dogs & activity tracking | — |
| Water Resistance | — | IP67 |
| Range | — | Unlimited via Find My crowdsourced network |
| Weight | — | 0.39 oz (AirTag only) |
| Spec | ||
|---|---|---|
| Buy | ||
PawBench Scoremethodology → | Reliability 75 Battery / Range 75 Ease of Use 75 Value 64 Owner Satisfaction 75 | Reliability 88 Battery / Range 82 Ease of Use 76 Value 78 Owner Satisfaction 90 |
| Type | GPS Smart Collar | — |
| Battery Life | Up to 3 months | 1 year (CR2032 replaceable) |
| Subscription | Required ($99/yr or $9/mo) | — |
| Connectivity | LTE-M + Wi-Fi + Bluetooth | Bluetooth + Apple Find My network |
| Best For | Escape-prone dogs & activity tracking | — |
| Water Resistance | — | IP67 |
| Range | — | Unlimited via Find My crowdsourced network |
| Weight | — | 0.39 oz (AirTag only) |
* Prices are approximate and may vary. Please check the latest price on Amazon.
Our Verdict

Winner
Apple AirTag with Belkin Dog Collar Mount
9.4/10 overall
Apple AirTag with Belkin Dog Collar Mount takes the win with a solid overall score of 9.4 compared to 9 for Fi Series 3 Smart Dog Collar. The Apple AirTag with Belkin Dog Collar Mount offers a better balance of quality, value, and durability, though the Fi Series 3 Smart Dog Collar remains a strong option if its specific features better match your needs.
From $38.99 (prices may vary)
📦 Buy Apple AirTag with Belkin Dog Collar Mount on Amazon