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 $189(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 67 Battery / Range 67 Ease of Use 67 Value 60 Owner Satisfaction 64 | Reliability 90 Battery / Range 84 Ease of Use 78 Value 79 Owner Satisfaction 86 |
| 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 | Reliability Quality Value for money Tracking Buyers praise reliability, quality, value for money and tracking. Mixed feedback on accuracy and compatibility. Based on 5,449 user mentions |
| 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