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The Best Pet Tracker Just Got Smarter

Powerful Whistle app features make it easy to be the best pet parent possible during this uncertain time.

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It's Easy To Get Started

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Download the Whistle app
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Select a subscription plan
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Charge, attach to collar and GO!
The WHistle App

Track Location. Monitor Health. Celebrate Adventure!

See the Whistle app in action.
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their Day
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Fitness & Nutrition
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Location tracking features only available on Whistle GO and Whistle GO Explore devices

Always know their location

Track them down or just see where they are with accurate GPS tracking using AT&T nationwide LTE-M network and Google Maps.

Set up safe places

Establish places like Home, Work, or Dog Sitter so your device can track where and when your pet comes and goes.

Get proactive alerts

Receive push, text or email alerts within minutes any time your pet leaves a Safe Place location.

Activate real-time tracking

If they wander too far off the path or escape out a side door, use real-time tracking to get location updates every 15 seconds.

With Whistle GO & Whistle GO Explore devices, you get additional location information, including details on where they go and who they are with

View Your Pet's Day

Delight in where they went, who they were with & for how long. You’ll also know when they run, play, walk, nap & more.

Know their favorite spots

With a detailed heat map, you'll get a clear picture of your pet's most frequented places every week.

Personalize Alerts

Customize your Whistle alerts so you only get notified with information you want and in exactly the way that you want it.

Connect with the whole family

Add multiple owners and caretakers so the whole pack knows when someone takes your pet out—or if they get out on their own!

Monitor Multiple pets

Add unlimited pets to your Whistle app, and enjoy a unique, individualized overview for each pet.

Set Custom Reminders

Keep the whole pack on track with reminders for vet visits, recurring medications, grooming appointments and more.

Set Fitness Goals

Get daily activity recommendations based on your dog's age, weight and breed. Easily adjust goals, if you'd like.


Powered by the VETINSIGHT team of veterinarians, get unlimited access to on-demand veterinary help through chat, phone or email—right from the app.

Learn More »

Food Portion Calculator

Find out how much food to give your pet based on activity level, age, breed, and weight.

Try it Now »

Monitor Daily Activity

Track distance traveled, minutes active, calories burned and activity type, including running, walking, playing, resting & sleeping.

Get gentle nudges

Stay motivated with nudges that remind you when your pet is close to hitting their daily fitness goals.

"Chatted twice! And both were timely responses with awesome info that eased a worried mom."

- @bruce_the_cheeseberger

Your Pet's Health Dashboard

Easily monitor important indicators like scratching and licking so you can stay ahead of potential health issues—right from your Whistle app. Get notified when there are changes in behavior.

Share Reports with Your Vet

Email your pet's 30-day report to your vet for analysis in just a few taps. Your pet’s graph gets updated with new data every day.

Weekly Wellness Report

Know normal scratching, licking, and sleep averages based on tens of thousands of dogs and your pet's week-over-week comparisons.


For a limited time, get access to a vet through the Whistle app. Chat, call, video call or email. Vets give advice/guidance to help answer questions.

Learn More »

"The average dog with a dermatological issue shows 3x as much daily scratching as dogs with healthy skin."

- Pet Insight Project

Skin allergies are the #1 reason pet parents take their dog to the vet.

"My dog has terrible allergies. By knowing specifics I’m able to adjust her medication time. Without Whistle, I wouldn’t have this information!"

- Molly's Dad

"Chatted twice! And both were timely responses with awesome info that eased a worried mom."

- @bruce_the_cheeseberger

Celebrate every day

Tails will wag! Reward yourself and your pet as you honor each and every day with a great reason to celebrate.

Share stats

Share fun daily summaries that give others a peek into your pet's day via text, email or your favorite social platform.

Collect badges

Earn Whistle badges for meeting daily goals, traveling specific distances, adding people to the pack and other achievements.

Compare Whistle Trackers

A Whistle Tracker For Every Pet

Whistle Go Explore Device, Green

Ultimate Health +
Location Tracker for Pets

Built-in light and
extended battery life.

Whistle Go Device, Taupe

Health + Location
Tracker for Pets

Whistle FIT Device

Health + Fitness
Tracker for Pets

(Only available
on Whistle.com)

SubscriptionMonthly - $9.95/mo
Yearly - $7.95/mo
2-year - $6.95/mo
Monthly - $9.95/mo
Yearly - $7.95/mo
2-year - $6.95/mo
Yearly - $35.40 ($2.95/mo)
Battery Life
Up to 20 daysUp to 10 daysUp to 15 days
WaterproofRated IPX 8,
submerge up to 6ft
Rated IPX 7,
submerge up to 3ft
Rated IPX 7,
submerge up to 3ft
Night Light (in-app control)
Monitors licking, scratching, & sleeping
Notifications for change in behavior patterns
Weekly wellness report, monthly stats
Email vet 30-day health report
View More Features

Frequently Asked Questions

What is Whistle GO & Whistle GO Explore?

Whistle GO and Whistle GO Explore are the most comprehensive pet trackers on the market—the only pet wearables, in fact, that put GPS tracking plus fitness and health monitoring all into one simple device. Both Whistle GO and Whistle GO Explore let you pinpoint your pet’s precise location with real-time tracking. Both monitor behaviors that may be early-warning signs of potential health issues. You’ll always know where your pet went and with whom. And with both, you can set and track fitness goals based on age, weight, and breed, plus review weekly reports that summarize your pet’s activities and insights.

What makes Whistle GO Explore different is a longer battery life (up to 20 days on a single charge) and a built-in light that you can use as night light during evening walks—or as a beacon to spot your dog in the dark.

Just attach the device to your pet’s collar, and customize the Whistle app to send alerts and notifications to the key people in your pack.

How does the technology work?
Whistle combines the power of GPS, Wi-Fi and cellular technology (on America's largest network) to create the most advanced pet wearable on the market. Here’s how it works:

Using a Wi-Fi connection, you’ll establish your pet’s Safe Place locations via the Whistle app (i.e. Home, Vacation Home, Dog Sitter's, etc.). You can create as many Safe Place locations as you’d like. When connected to Wi-Fi, the device is always in power-save mode, using very little battery power.

Then, when your pet leaves a Safe Place location or returns to a Safe Place location, you’ll get a notification. Beyond Wi-Fi range, the device leverages cellular and GPS technology so you can turn on nationwide real-tracking any time you need it.

Why do I need a subscription?

Whistle trackers are both a device and service. Subscription plans cover health and fitness monitoring, including proactive notifications, alerts, personalized health reports and more. The Whistle GO + Whistle GO Explore subscription plans also cover cellular data connection to provide GPS location tracking. No new phone contract required. During the in-app activation process, you will be prompted to select a Whistle subscription plan.

Do I need to have a mobile phone with an AT&T® contract to use a Whistle device?

No. Whistle trackers use AT&T®, America’s Largest Cellular Network, for on-demand location tracking, but this is separate and distinct from the service plan you have for your mobile phone. As long as you have cellular data and reception on your iOS or Android phone, you'll be able to use the Whistle app to communicate with your Whistle tracker.

Will Whistle work in areas where there is no cellular service?

No. To locate your pet and communicate with your smartphone, Whistle trackers require cellular service. While your mobile phone only requires Wi-Fi connection to request real-time location tracking through the Whistle app, the tracking device itself requires cellular service to communicate GPS updates back to your phone. Need help determining AT&T coverage in your area? Give us a call.

Call: 1-855-999-0471
M-F 7am-4pm PST
Sat-Sun 7am-3:30pm PST

How long does the battery last on Whistle trackers?

Whistle GO Explore—Up to 20 days on a single charge. Actual time varies based on strength of Wi-Fi and cellular coverage.

Whistle GO—Up to 10 days on a single charge. Actual time varies based on strength of Wi-Fi and cellular coverage.

Whistle FIT—Up to 15 days on a single charge. Actual time varies based on strength of Wi-Fi.

You’ll get a proactive alert when it’s time to recharge the battery, and the device only takes 2 hours to fully charge. The more time your pet spends out of your established Wi-Fi range, the faster the battery drains. To ensure adequate charge for your pet’s everyday and unexpected adventures alike, we recommend charging every 2-3 days. Learn more about battery life.

View More Questions

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