Fi - GPS Dog Tracker

3.0
4.02K reviews
Content rating
Everyone
100K+
Downloads
Content rating
Everyone
Learn more
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About this app

Fi Series 3+ is the world's smartest GPS dog collar—now powered by AI.

Paired with a Fi collar, the Fi app brings you even closer to your dog. Track their location, monitor activity and health patterns, and get alerts if they ever leave a safe zone. It's peace of mind for the best pet parents out there.

FEATURES

GPS TRACKING

On vacation? Friend walking the dog? Instantly track your dog's location no matter where they are. Fi gives you the confidence to know they're safe from anywhere, anytime.

STOP ESCAPE ARTISTS

Designate safe zones around your home or dog's favorite places. If they leave without a trusted person, we'll alert you immediately. So if they wander anywhere, you'll be the first to know.

ACTIVITY MONITORING

Track your dog's step count daily and start streaks by achieving custom goals you set. Then see how they compare with similar dogs in the Fi community. Every step goes a long way toward keeping them happy and healthy.

AI BEHAVIOR INSIGHTS

Fi Series 3+ tracks more than just steps. Spot trends in activity, rest, scratching, licking, drinking, eating, and barking so you can stay in tune with your dog's health and habits, every day.

LOST DOG MODE

Never lose track again. If your dog goes missing, activate Lost Dog Mode to turn on rapidly refreshing live location updates until they're found.

BATTERY LIFE

With best-in-class battery, our collars lasts up to 3 months on a single charge. No other collar even comes close.

SUPPORT

Need help? We're here for you and your dog. Our support team is just a chat or phone call away when you need.

APPLE WATCH INTEGRATION

With our all new Series 3+, you can view your dog's location and activity directly on your wrist, so you're always connected, even without your phone.


OUR COLLAR

Available in 4 different colors and 5 different sizes to fit dogs of all sizes.

Fi works best when connected near a Bluetooth connected device with the Fi App or the provided charging base. Learn more about what we're building at: www.tryfi.com.
Updated on
May 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Financial info and Device or other IDs
This app may collect these data types
Location, Personal info and 7 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.0
3.92K reviews
Andrew Nelis
June 2, 2025
When Fi3 came around with the subscription model it was supposed to include hardware upgrades. They had raised the price, where the earlier models you bought the device and paid for the service, for a time, a reduced rate. So they have an actual upgrade which they claim faster seek times, a serious need, they have pulled the free hardware upgrades, right after my subscription reupped. And battery life went from months to maybe 2 weeks. The Apple move. Planned obsolescence. Screw us.
40 people found this review helpful
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Vadzim “Vad”
May 21, 2026
The app is a complete trash. Collar set up doesn't work. Continuously asking permission to track you using your location. Update: I'm really pleased by the support team. They do a great job. But there are a lot of tech issues with the app and bad UI/UX practices that need to be fixed (e.g. to logout from an account is a big quest)
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Barking Labs Corp
May 19, 2026
We're sorry for the trouble, the location permission blocker was a known Android issue that has since been resolved! If you're still having trouble getting the collar set up, please reach out to our team at support@tryfi.com or 1-888-434-3647 and we'd love to help get you up and running!
Jakety Jake
May 9, 2026
I loved this app and would have kept recommending it until this change. Up until now, I could use the app, view activity, and access features without enabling constant Location and Bluetooth permissions. Now the app will not even open unless they are enabled. Requiring “Allow all the time” location access for basic app use is unreasonable, especially when existing customers previously used it without these permissions. It doesn't seem right to force these just to even open the app now.
4 people found this review helpful
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Barking Labs Corp
May 14, 2026
We're sorry for the frustration, this was an issue with permission blockers on Android that has since been resolved! If you're still running into any trouble accessing the app, please reach out to our team at support@tryfi.com or 1-888-434-3647 and we'd be happy to help get it sorted out!