Smart comes in all sizes.
The world's most advanced GPS & AI-powered health trackers — Fi Series 3+ for big dogs and Fi Mini for small dogs and cats.
Find the Fi that fits.
Dig into the core features to pair your pet with the perfect Fi tracker.
For med/large dogs
- Fully-integrated collar
- AI-powered health & behavior insights
- Up to 3 months battery life
For little legends
- Attaches to any existing collar
- AI-powered health & behavior insights
- Up to 6 weeks battery life
For curious cats
- Attaches to any collar
- Real-time roaming & activity tracking
- Up to 6 weeks battery life
Unmatched, next-generation GPS tracking.
Know exactly where they are and keep them safe with a range of smart tracking features.
One Fi app. Total peace of mind.
One Fi app.
Total peace of mind.
AI-powered health insights, real-time activity monitoring and live GPS tracking — all available any time, anywhere.
Fi dogs move more and live healthier.
We monitor and analyze your dog's health and activity so they can thrive.
Deep health insights unlocked with AI.
Know their movement & sleep
Track and analyze everything they do, day or night.
Activity
RestKnow their diet & hydration
Get a full 360° view of meal time and their water intake.
Eating
DrinkingKnow their behaviors & habits
Allergies, discomfort — catch anything unusual early.
Scratching
Licking
Barking
Decode all their data with Fi Intelligence.
Get AI-powered answers based on your dog's health, breed and more.
When it comes to tracking, AirTag can’t compare.
‘ScareTags’ don’t have GPS and can’t track as far.
They rely on iPhones to find items within a short range.
Microchips are great, but don’t actively track.
Pet owners are only notified after a lost dog is scanned.
Fi finds lost dogs faster with Search Party.
When in Lost Mode, alert nearby Fi members and find your dog faster.
Try Fi before you buy
Get a 1-month free trial with a refurbished Fi device to take total command of your dog’s safety and health.
Try Fi for free
Fi is trusted by
Millions
of pets worldwide.
The Pack Awaits
Join the Fi community and connect with dog lovers across the world.
