Fi Series 3+ GPS Dog Collar & Tracker (6-Mo Membership, Pink) vs Apple AirTag (2nd Generation)
Side by side on every dimension we score, so you can judge which suits 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+ GPS Dog Collar & Tracker (6-Mo Membership, Pink)
$99 · ★ 4.1 (787)
vs

Apple AirTag (2nd Generation)
$24 · ★ 4.6 (7,593)
73
Reliability
86
67
Battery / Range
80
64
Ease of Use
74
73
Value
87
68
Owner Satisfaction
75
Differences only
| Spec | ||
|---|---|---|
| Buy | ||
PawBench Scoremethodology → | Reliability 73 Battery / Range 67 Ease of Use 64 Value 73 Owner Satisfaction 68 | Reliability 86 Battery / Range 80 Ease of Use 74 Value 87 Owner Satisfaction 75 |
| Buyer sentiment | Collar Tracking Ease Of Use Peace Of Mind Buyers praise collar, tracking, ease of use and peace of mind. Mixed feedback on functionality and battery life. Based on 681 user mentions | Accuracy Quality Setup Buyers praise accuracy, quality and setup. Mixed feedback on functionality and compatibility. Based on 1,341 user mentions |
| Battery Life | Up to 3 months | 1 year (CR2032 replaceable) |
| Connectivity | LTE-M + GPS + Wi-Fi + Bluetooth | Bluetooth + Apple Find My network |
| Water Resistance | IP68 fully waterproof | IP67 |
| Geofence Alerts | Yes, customizable safe zones | — |
| Weight | 1.5 oz tracker module | 0.39 oz (AirTag only) |
| Range | — | Unlimited via Find My crowdsourced network |
* Prices are approximate and may vary. Please check the latest price on Amazon.
What owners actually say
Fi Series 3+ GPS Dog Collar & Tracker (6-Mo Membership, Pink)
81/100 sentiment
N=681
+ Collar+ Tracking+ Ease Of Use+ Peace Of Mind± Functionality± Battery Life± Accuracy
Apple AirTag (2nd Generation)
72/100 sentiment
N=1,341
+ Accuracy+ Quality+ Setup± Functionality± Compatibility± Battery Life
Pros & cons
Fi Series 3+ GPS Dog Collar & Tracker (6-Mo Membership, Pink)
Pros
- ✓3-month battery life crushes the competition
- ✓LTE + GPS provides real-time, nationwide tracking
- ✓Sleek integrated collar design rather than a bulky add-on
Cons
- ✗Requires monthly subscription ($99/year or $8.25/month)
- ✗Limited color and size options compared to traditional collars
Apple AirTag (2nd Generation)
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

