Fi Collar

Affiliate Disclosure: Smart Pet Gear Lab is reader-supported. Links in this article may be affiliate links — if you purchase through them, we earn a small commission at no extra cost to you. This never affects our recommendations. See our full Affiliate Disclosure. Pricing Note: Prices shown are approximate and may change. Always check the retailer for current pricing. Last verified: April 2026. Smart dog collars have split into two camps: GPS trackers that also dabble in health metrics, and health monitors that happen to include location tracking. The PetPace 3.0 and the Fi Series 3+ represent the best of each approach — and choosing between them depends on what keeps you up at night. ...

Affiliate Disclosure: Smart Pet Gear Lab is reader-supported. Links in this article may be affiliate links — if you purchase through them, we earn a small commission at no extra cost to you. This never affects our recommendations. See our full Affiliate Disclosure. Pricing Note: Prices shown are approximate and may change. Always check the retailer for current pricing. Last verified: April 2026. With Whistle shutting down in August 2025 after Tractive acquired them, the GPS dog tracker market is now effectively a two-horse race: Tractive and Fi. Both offer live GPS tracking, virtual fences, health monitoring, and activity tracking — but they take very different approaches. ...

Affiliate Disclosure: Smart Pet Gear Lab is reader-supported. Links in this article may be affiliate links — if you purchase through them, we earn a small commission at no extra cost to you. This never affects our recommendations. See our full Affiliate Disclosure. Pricing Note: Prices shown are approximate and may change. Always check the retailer for current pricing. Last verified: April 2026. The Fi Series 3 is one of the most popular GPS dog collars on the market, and for good reason. It packs real-time GPS tracking, activity monitoring, sleep tracking, and escape alerts into a surprisingly sleek package. But at $19/month for the subscription (on top of the collar cost), is it actually worth it? ...

Affiliate Disclosure: Smart Pet Gear Lab is reader-supported. Links in this article may be affiliate links — if you purchase through them, we earn a small commission at no extra cost to you. This never affects our recommendations. See our full Affiliate Disclosure. Pricing Note: Prices shown are approximate and may change. Always check the retailer for current pricing. Last verified: April 2026. The Short Answer Fi Series 3 is the better pure GPS tracker — lighter, longer battery life, more affordable. Halo Collar 4 is the better training tool — GPS plus wireless fences plus behavior feedback. They’re solving different problems. ...

Affiliate Disclosure: Smart Pet Gear Lab is reader-supported. Links in this article may be affiliate links — if you purchase through them, we earn a small commission at no extra cost to you. This never affects our recommendations. See our full Affiliate Disclosure. Pricing Note: Prices shown are approximate and may change. Always check the retailer for current pricing. Last verified: April 2026. Why Every Dog Owner Should Consider a GPS Tracker Losing a dog is one of the most terrifying experiences a pet owner can face. According to the ASPCA, roughly 1 in 3 pets will go missing at some point in their lifetime. A GPS tracker doesn’t just give you peace of mind — it gives you the ability to act immediately when something goes wrong. ...