No more lost pets.

Track your pet's location in real time from your smartphone.

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Your pet's location and activity sent directly to your phone.

Whistle GPS Pet Tracker combines the best on-collar GPS tracking device with a simple mobile app, putting your pet’s needs and location right at your fingertips whenever you need it. It’s also the first device and app system to combine location-tracking and smart activity monitoring into one simple experience.

1 in 3 pets will get lost in their lifetime

Whistle GPS Pet Tracker helps make sure yours always returns home safe. One part superpower, many parts reliable technology, Whistle helps you be the hero your pet thinks you are.

Proactive alerts for pet parents

Whether paying a visit to the neighbor’s dog or on a long-distance walkabout, your pet can be located and tracked with the Whistle app. Customize a Whistle zone by choosing your home or other safe area. You'll receive an alert whenever your pet leaves that area so you can promptly begin tracking them on the Whistle map.

Pinpoint your pet's location with GPS tracking

Nationwide GPS Coverage

Whistle uses advanced GPS and cellular technology to pinpoint your dog’s location anywhere in the U.S. using America's most reliable network.

Location alerts

Receive a notification through the app or via text message when your pet leaves their custom Whistle zone so you can find them right away.

Live GPS tracking

Use the map to pull up your pet's location quickly, should you ever need to find your escape artist or hound trailing a scent.

Custom Whistle zones

Create a designated safe area to easily keep tabs on your pooch from wherever you are, and only recieve alerts when something is up.

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A new era of pet care

Whistle puts the important stats and insights about your pet right into your pocket. We tell you when something’s up and reassure you when everything’s alright.

Activity trend monitoring

You can't always be with your pet, but Whistle can keep you connected.

Monitor health trends

Track your dog’s long-term health trends and keep your companion in great shape for their age, weight, and breed.

Track progress

Meet custom goals and receive notifications if there are significant changes to their activity or sleep patterns. Now you both can rest easy.

Connected caretakers

Whistle connects everyone in your pet's life. Add your spouse, friends, family, dog walker, or pet sitter to your pet's account and keep everyone on the same page.

Simple. Seamless. Fun.

Designed with pets in mind.

Rechargeable battery

With the longest-lasting battery of its kind, the Whistle GPS won't need a recharge for up to 10 days - and a full recharge only takes an hour.


Designed to go anywhere with your pet, Whistle GPS Pet Tracker is rated 1P67, which is a fancy way of saying it's durable and ready for action.


This waterproof device is as comfortable in water as it is on land, so there's no change in routine if you're taking a trip to the park or the beach.

Tech Specs

Whistle GPS Pet Tracker

  • Dimensions: 1.5 x 4.2 x 0.8 inches
  • Weight: 1.3 ounces
  • Waterproof (IP67)
  • Collar Attachment (attaches to any collar and harness)

Software Compatibility

  • Apple iOS 7.1 or greater
  • Android 4.0.3 or greater
  • Web app available for desktop and mobile browsers

Service requirements

  • You will be required to select a service plan at activation.
  • First month is free. Service plans range from $6.95-$9.95 per month.

Tagg, proud to be a member of the Whistle family!

Tagg Pet GPS Saves Lives Every Day

Amazing stories of pets saved by a Tagg pet tracker

...the Tagg alert we received bought us the minutes that meant the difference between life and death for our puppy! Thank You Tagg – your product is worth every penny!

Robert & Claire Gladwin, MI