Opening the iTunes Store.If iTunes doesn't open, click the iTunes application icon in your Dock or on your Windows desktop.Progress Indicator
Opening the iBooks Store.If iBooks doesn't open, click the iBooks app in your Dock.Progress Indicator

iTunes is the world's easiest way to organize and add to your digital media collection.

We are unable to find iTunes on your computer. To download the free app Whistle by Whistle, get iTunes now.

Already have iTunes? Click I Have iTunes to open it now.

I Have iTunes Free Download
iTunes for Mac + PC


By Whistle

Open iTunes to buy and download apps.


Stay connected to your pet and know they are healthy wherever you -or they- may go. Whistle offers pet parents the best proactive loss prevention and wellness monitoring device-enabled app. Combining sleek and reliable devices with an easy to use mobile app, Whistle seamlessly relays essential information directly to your phone, whether you are with your pet or have to be apart.

Use this app with Whistle GPS Pet Tracker, Whistle Activity Monitor, or any existing Tagg device. iPhone 4S or newer is required. Get your device at


Receive loss notifications to your phone: Whistle notifies you if your pet ever roams from their Whistle zone, a customizable safe area you designate for your home or office, and allows you to track their whereabouts directly from your smartphone.

Real-time tracking: pinpoint your pet’s location at any time. Make sure your pet is where they’re meant to be, and quickly find them if they’re not.

Peace of Mind: Using cellular, GPS, and a custom Whistle zone, Whistle GPS Pet Tracker ensures that even escape artist pets are never lost for long. Feel better knowing your pet is covered anywhere you get cell service, thanks to America’s most reliable cellular network.


Monitor your pet’s health: Activity and rest are the two most important indicators of your pet’s overall health. Get insight into their daily behavior and long term trends and, just maybe, get motivated to build new healthy habits together.

Track activity trends: Create custom activity goals based on your pet’s breed, weight and age and get a visual summary of their overall wellness. Share this data with your vet, a trainer, or even brag a bit about your above average pet.


Stay connected:While we’d all love to be with our pets all the time, sometimes we have to be apart. Whistle’s mobile app puts your pet in your pocket and can alert you when your pet needs your help, whether they are lost or if there are notable changes in their activity.

Get on the same page: Add your spouse, friends, family, your dog walker or pet sitter to your pet’s account to keep everyone who helps care for your pet on the same page when they download the free app to their smartphones.

Learn more about Whistle products and services at

What's New in Version 3.2.1

NEW: Improved set-up / activation process for our GPS customers.
NEW: Improved Tour the App feature that now includes GPS features.
FIXED: A login issue that was causing some users to have to repeatedly login. That was annoying, sorry about that!
FIXED: Other minor bug fixes.

iPhone Screenshot

iPhone Screenshot 1
iPhone Screenshot 2
iPhone Screenshot 3
iPhone Screenshot 4
iPhone Screenshot 5

Customer Reviews

I first got a PodTracker — then got a Whistle

I love it so far. I had a PodTracker before this, which rarely worked. Nothing is more frustrating than hitting “locate” and it not working. PodTracker uses a 2g T-mobile network and it’s crap in many areas. But enough about them.

Whistle so far finds my dog really well in our rural Virginia area. I’ve read some of the negative reviews. It helps if you know how the product is designed to balance issues out. For example, battery life versus location updates. Keeping GPS and cellular radio going is going to drain battery quickly. So having that base station communicate to the tracker using low power bluetooth when in range allows the tracker to go into a low power mode to conserve battery power. This is pretty smart, but it will introduce a small delay when the dog leaves that area until it powers back up the GPS and cellular connection. On the other hand, if the dog is never near the base station, of course the battery is going to drain a lot quicker, because the GPS and cell radio is always on.

Whistle ruined a great product

I have owned the Tagg tracker for 4 years and was happy with the product and app. The app alerted me quickly if my cat escaped the yard. Since Whistle bought out Tagg, the app is just Facebook for pets and the time it takes to notify me of an escape is ridiculously long. This is purely a social media app. I don't care how long my dog rested each day! I just want to be able to locate him if he gets out of the yard. Also, the app is inaccurate. It texts me every night around 9 pm that my pet has just met his activity goal for the day, even though he's been in the house and sleeping for the past three hours!! It routinely shows me almost 50% battery and then 2 hours later notifies me the battery is low! Whistle should stick to activity monitoring and let someone else handle tracking our pets which was what Tagg was designed to do & did well. What a waste of a great product!!

Ok but could be better

I have had Whistle for almost 2 months. I got it on the recommendation of someone who had it as Tagg plus I was seduced by their end of year sale. First off the battery doesn't last 2 days. I use it on 2 livestock guardian dogs so I want to keep up with them 24/7 and there is no way for them to be "50feet" from the base. Second it is bad at updating their activity. I use to see when there are predators around. It will go 24 hours and not update even when I ask for location and it should update. I'm not sure where the battery life goes if it's not updating. Third the responds time to being out of area is abysmal. I have paid for a years worth of service so I hope they can fix these in that time or I just won't renew.

View In iTunes
  • Free
  • Category: Health & Fitness
  • Updated:
  • Version: 3.2.1
  • Size: 55.5 MB
  • Languages: English, Catalan, Czech, Danish, Dutch, French, German, Greek, Indonesian, Italian, Japanese, Korean, Norwegian Bokmål, Norwegian Nynorsk, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian, Vietnamese
  • Seller:

Compatibility: Requires iOS 7.1 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
All Versions: