Question 1

Which is better, Fi Series 3 or Apple AirTag (with collar mount)?

Accepted Answer

Based on our testing, the Fi Series 3 scores higher overall at 9.3/10. The Fi Series 3 scored 9.3/10 and the Apple AirTag (with collar mount) scored 8.5/10 in our Best Dog GPS Collars 2026 evaluation.

Question 2

Is the Fi Series 3 worth it over the Apple AirTag (with collar mount)?

Accepted Answer

The Fi Series 3 scores 9.3/10 while the Apple AirTag (with collar mount) scores 8.5/10. The Fi Series 3 is our "Best Overall" pick in the Best Dog GPS Collars 2026 category.

Fi Series 3 vs Apple AirTag (with collar mount): Which to Buy?