Question 1

Which is better, Fi Series 3 Smart Collar or Apple AirTag with Waterproof Dog Collar Holder?

Accepted Answer

Based on our testing, the Fi Series 3 Smart Collar scores higher overall at 9.2/10. The Fi Series 3 Smart Collar scored 9.2/10 and the Apple AirTag with Waterproof Dog Collar Holder scored 7.8/10 in our Best GPS Dog Collars 2026 evaluation.

Question 2

Is the Fi Series 3 Smart Collar worth it over the Apple AirTag with Waterproof Dog Collar Holder?

Accepted Answer

The Fi Series 3 Smart Collar scores 9.2/10 while the Apple AirTag with Waterproof Dog Collar Holder scores 7.8/10. The Fi Series 3 Smart Collar is our "Best Overall" pick in the Best GPS Dog Collars 2026 category.

Fi Series 3 Smart Collar vs Apple AirTag with Waterproof Dog Collar Holder: Which to Buy?