Question 1

Which is better, Fi Smart Dog Collar Series 3 or Halo Collar 4?

Accepted Answer

Based on our testing, the Fi Smart Dog Collar Series 3 scores higher overall at 9.2/10. The Fi Smart Dog Collar Series 3 scored 9.2/10 and the Halo Collar 4 scored 8.8/10 in our Best Pet GPS Collars 2026 evaluation.

Question 2

Is the Fi Smart Dog Collar Series 3 worth it over the Halo Collar 4?

Accepted Answer

The Fi Smart Dog Collar Series 3 scores 9.2/10 while the Halo Collar 4 scores 8.8/10. The Fi Smart Dog Collar Series 3 is our "Best Overall" pick in the Best Pet GPS Collars 2026 category.

Fi Smart Dog Collar Series 3 vs Halo Collar 4: Which to Buy?