HEAD-TO-HEAD COMPARISON
Apple AirTag vs Fi Smart Dog Collar (Series 3)
We compare the Apple AirTag and Fi Smart Dog Collar (Series 3) head-to-head on performance, features, value, and more. Here's which one wins.
Best Bluetooth Pet Tracker
Apple AirTag
Best Bluetooth pet tracker for Apple users with massive Find My network, Precision Finding, and zero subscription
Overall:9.3/10
Check price on Amazon Best GPS Dog Collar
Fi Smart Dog Collar (Series 3)
Best GPS dog collar with built-in tracker, 3-month battery life, and LTE + Wi-Fi + Bluetooth triple connectivity
Overall:9.3/10
Check price on Amazon Score Breakdown
| Apple AirTag | Category | Fi Smart Dog Collar (Series 3) |
|---|---|---|
| 9/10 | Performance | ✓ 9.5/10 |
| 9/10 | Features | ✓ 9.5/10 |
| 9.8/10 ✓ | Ease of Use | 9.3/10 |
| 9.8/10 ✓ | Value | 8.5/10 |
| 9.3/10 | Overall | 9.3/10 |
Specs Comparison
| Apple AirTag | Spec | Fi Smart Dog Collar (Series 3) |
|---|---|---|
| Apple Find My network — billions of devices | Tracking | True GPS with LTE cellular |
| Precision Finding with UWB on iPhone 11+ | Precision | Up to 3 months — longest available |
| CR2032 — replaceable, 1 year life | Battery | LTE + Wi-Fi + Bluetooth |
| None — free forever | Subscription | Customizable safe zones with alerts |
| IP67 water resistant | Water | Step counter and activity tracking |
Apple AirTag
Pros
- + Find My network — billions of relay devices
- + Precision Finding with directional arrows
- + Zero subscription — free forever
- + 1-year replaceable battery — no charging
Cons
- − Not true GPS — depends on nearby Apple devices
- − No real-time continuous tracking
- − Requires AirTag collar holder (sold separately)
Fi Smart Dog Collar (Series 3)
Pros
- + Built into collar — no dangling tag
- + 3-month battery — longest available
- + Triple connectivity — smart power management
- + Instant geofence escape alerts
Cons
- − Monthly subscription required ($8-13/month)
- − Collar design limits style choices
- − GPS accuracy slightly below Tractive in dense areas
Read the full Best GPS Pet Trackers 2026 guide for complete reviews of all 4 products.