20% off on Whistle FIT + a free leash

20% off on Whistle FIT + a free leash *

Smart Collars


New year, new ways to care.

With new features focused on eating, activity, and overall wellness. Save 20% * on a FIT smart device and get a free leash option.

Shop now
Health monitoring
Fitness features
Location alerts
24-Hour timeline
Portion calculator

How it works

The way we see it, every lick, scratch, and sip tells a story. So our smart devices are designed to reveal the full picture of your pet’s health. They track and translate activity, behavior, location, wellness, and more. All so you can better understand their health and bring them better, comprehensive care.

1. Choose a smart device

Pick from our three smart devices. Not sure which is the right fit?
Take a quiz.

2. Select a Whistle plan

Choose from three, flexible plan options: monthly, 1-year, or 2-year.

3. Uncover new ways to care

Just connect to the Whistle app to start tracking and translating your pet’s health.

Our smart devices


This smart device helps you understand your pet’s health. FIT covers all your monitoring basics, with a design that works for any pet. So you can start uncovering better ways to care.

For dogs of all sizes.


This smart device helps you keep tabs on your pet. GO Explore gives you GPS location monitoring, safe place settings, and escape alerts. So you’re both ready for any adventure.

For dogs 25lbs and up.


This smart collar helps you stay connected to your pet. Switch gives you a sleek design, switchable styles, and two rechargeable battery packs. So you can monitor your pet 24/7.

For dogs 5lbs and up.

How Whistle helps you care

We give pets a voice

We’re powered by research

We build safety-first technology

“This tracker will make you a better dog mom – 100 percent guaranteed.”
“A leader in the pet wearables industry.”
“...the perfect smart gift for your 4-legged friend.”
“Whistle gives me peace of mind.”

*Offer good thru 2/2. Excludes taxes and shipping.