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MEET SERIES 3

Live GPS, Health and Behavior tracking on the smartest collar ever built.

We speak dog, so you don’t have to. Instantly know where they are, how they’re doing and what they need to feel their best.

Your Dog
Decoded

Instantly know what matters most with an all-in-one app for 24/7 peace of mind.

A simulation of the app UI, showing an overview of your dog's activity

Award-Winning
GPS Tracking

The fastest, most reliable nationwide solution to keep track of your dog.

A lost dog located using the map in the Fi app

Tailored
Activity Monitor

Benchmark your dog versus others of the same breed, age and fitness level.

A dog's fitness improving over time

Breakthrough
Behavior Translator

Powerful statistical insights into your dog’s unique health patterns.

A dog sleeping well, tracked in the Fi app
“
Your dog will be as happy wearing it as you are knowing they’re in safe hands.
Engadget
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Best dog tracker.
Wired
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Owners can share their pup’s athletic ability far and wide…
Runner's World
Waterproof – rigorously IP68/66K tested for fresh and salt water swimming.
A close up of the band's hardware
Stay powered up – unbeatable 3-month battery life and wireless charging.
A close up of the band's hardware
Light, low-profile — designed for 24/7 wear for extra small to extra large dogs.
A close up of the band's hardware
Multi-color night light — for style and safety at all times.
A close up of the band's hardware
Stainless steel body — 500+ lbs resistance for the strongest pullers and chewers.
A close up of the band's hardware
10 million pets go missing every year.
American Humane Association

AirTags Aren’t Meant for Dogs

AirTags offer limited waterproofing and durability while relying on iPhones to locate items within a short range. Fi uses GPS to locate your dogs, no matter how far.

Microchips Don’t Track

People think that microchips track their dog — they don’t. Chipped dogs need to be safely brought to animal control or a vet for scanning. Fi always knows where they are.

Fetching Styles

Clip on new colors. Unlock new looks.

Get It
Literally saved my life multiple times when my little Houdini has decided to go on unsupervised adventures.
Kenya’s Mom

The world’s biggest dog park

Join the Fi Community and connect with dog lovers across the country.