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Fi Holiday Sale

For keeping
dogs safe, 24/7.

30% off Fi GPS & health trackers.

Shop the sale
A hand holding a black Fi tracker
A yellow Fi Series 3+ smart collar

WHAT FI DOES

Fi trackers monitor your dog’s location & health 24/7.

See where they are, check on their health and get alerted the moment they get out, all with the Fi app.

Location Update

Scarlett is at Forest Park.

A Fi for every pet on your list.

A dog in profile on a wooded trail, panting, wearing a gray Fi Series 3+ collar

Fi Series 3+

Durable & high-performance

$90.30$129
  • Up to 3 months battery life
  • All-in-one smart collar
  • AI-powered health insights
  • LED night light

Best for medium to large dogs

BuyLearn more
A dog in profile on a city street wearing a beaded collar with a pink Fi Mini attached

Fi Mini

Small, light & stylish

$69.30$99
  • Up to 2 months battery life
  • Smart, attachable tracker
  • AI-powered health insights
  • 5 silicone color cases

For all dogs, big or small

BuyLearn more
A border collie in profile against a blue sky wearing a Fi Ultra collar, with a TIME Best Inventions 2026 badge

Fi Ultra

Ultimate off-leash solution

$209.30$299
  • Up to 5 days battery life
  • Smart, attachable tracker
  • GPS powered by T-Satellite with Starlink
  • Fi CallBack™ sound & vibration

Ideal for off-leash lifestyles

BuyLearn more
A cat wearing a yellow Fi Mini, standing on a counter

Fi Mini for Cats

Snug & comfortable fit

$69.30$99
  • Up to 2 months battery life
  • Smart, attachable tracker
  • Real-time roaming, activity & rest tracking
  • 5 silicone color cases

Supports indoor or outdoor cats

BuyLearn more

Gift Card

Let them choose their Fi.

Send a digital gift card. You pick the delivery date. They pick the Fi that fits.

A dog's paws resting beside a hand holding a Fi Mini tracker
Shop now

Active, healthy & safe. Every day.

A golden retriever in a yellow Fi collar being petted by a runner holding its leash
Track activity & rest

Knowing if she
needs steps or rest
changed our days.

Sarah O. & Luna

A woman kissing her black-and-tan dachshund while it wears a blue Fi Mini
Track health changes

Ajax’s Fi Mini catches
new habits before we
notice them.

Awa D. & Ajax

A brown spaniel in a gray Fi collar being petted on a city street
Track real-time location

Live GPS is such a
game changer for
our peace of mind.

Katie S. & Molly

Accessories

Your style. Your setup.Your Fi.

Swap color cases, mix in new collars or add a second charging base.

Fi collars in four colors, Fi Mini cases and a Fi Base charging cable laid out flat
Shop Fi accessories

Extended Returns & Exchanges

We make gifting worry-free.

Return, or exchange, your Fi purchase through January 15th.*

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Shop now

*Applies to Fi trackers purchased between 11/2 and 12/14.