Built for dogs,
made for dog parents.

Over 21 billion steps and counting...

A dog wearing a Fi Collar
Karl Allen and his search and rescue hounds
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We run a pet Search and Rescue, and when we recover the lost dogs, we always recommend they purchase a Fi collar.

Karl Allen
Black River Search and Rescue

The longest-lasting tracking device on the market.

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The first GPS dog collar that continuously searches for your canine companion without killing the collar's battery or your phone.

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A nicer, more streamlined design than much of the competition

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Your dog will be as happy wearing it as you are knowing they’re in safe hands.

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A headshot of Dr. Jeff Werber D.V.M.
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As a practicing veterinarian for over 35 years, I’ve always searched for ways to keep my patients safe and healthy. With Fi, pet parents are held accountable for their pup’s exercise routine and can set individual activity goals to make sure your dog stays in good physical health.

Dr. Jeff Werber D.V.M.
Fi Vet Expert and Emmy Award winner
A dog wearing a Fi Collar

Try Fi risk free.

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  • 1 Year Warranty
  • 30-Day GPS Trial