Whistle and Findster Duo+ are some of the best dog trackers on the market. Both are small, lightweight, waterproof, shockproof and affordable for their main features. You might be struggling a bit now about what to choose so I did this comparison Whistle VS Findster Duo.
Main Features
- Receive alerts if your dog escapes
- Signal your location anywhere in North America
- Tracks his movement every 15 seconds
- Only Whistle tracking monitors some common behaviors in your dog which will provide you with a warning to the primary signs of illness e.g. elevated skin scratching can mean allergies, irritation, or infection or
increased drinking may show early signs of kidney disease or diabetes.
- Great distance coverage (AT&T)
- Create more than one customizable safe zones
- Affordable
- Small & lightweight, shockproof & waterproof
Whistle
- Receive alerts if your dog escapes
- Signal your location anywhere in North America
- Tracks his movement every 15 seconds
- Only Whistle tracking monitors some common behaviors in your dog which will provide you with a warning to the primary signs of illness e.g. elevated skin scratching can mean allergies, irritation, or infection or
increased drinking may show early signs of kidney disease or diabetes.
- Great distance coverage (AT&T)
- Create more than one customizable safe zones
- Affordable
- Small & lightweight, shockproof & waterproof
Findster Duo+ is perfect for pet owners who do not want to worry about monthly charges. If you are an owner whose doggy is with you most of the day, this is a nice must-have real-time dog tracker. There’s a 30-day free trial to use Findster care where you can get a consultation with a vet available 24/7.
Whistle will alert you when your dog is out of your fence. The device tracking your furry companion’s movement every 15 seconds is a big help when finding him. With this gadget, you can tell any signs, warning, or symptoms of your pet’s health. Considering the features and having a great distance coverage, Whistle is still affordable.
Design
- The Whistle tracker is available in three colors: blue, gray, and green, and has a rounded cuboid body design, measuring 1.82” x 1.45” x 0.61 (length x width x depth).
- This device is also waterproof and can be attached to your dog’s collar so you also don’t have to worry if your dog wandered around in a pool full of water.
Whistle
- The Whistle tracker is available in three colors: blue, gray, and green, and has a rounded cuboid body design, measuring 1.82” x 1.45” x 0.61 (length x width x depth).
- This device is also waterproof and can be attached to your dog’s collar so you also don’t have to worry if your dog wandered around in a pool full of water.
Durability
The Whistle tracker has an IP67 dirt-proof and shock-proof, and waterproof rating. This has been proven and tested with the same process of immersing the device in 3 feet deep in water for 30 minutes. The attachment strap that comes with it is made of strong rubber which makes it durable and resistant to bites.
Whistle
The Whistle tracker has an IP67 dirt-proof and shock-proof, and waterproof rating. This has been proven and tested with the same process of immersing the device in 3 feet deep in water for 30 minutes. The attachment strap that comes with it is made of strong rubber which makes it durable and resistant to bites.
GPS Tracking Features
GPS tracking with AT&T LTE service. This feature enables you to receive real-time location updates every 60 seconds. This device also comes with a record of your pet’s 24-hour location history.Safe zones. This feature gives you an option to create multiple customizable safe zones in different shapes and sizes. When your pet exits the predetermined parameter you set, this device will send you email, text, and push notifications.The sharing feature provides you an option to give a friend or family member full access to its tracking features.
Whistle
GPS tracking with AT&T LTE service. This feature enables you to receive real-time location updates every 60 seconds. This device also comes with a record of your pet’s 24-hour location history.Safe zones. This feature gives you an option to create multiple customizable safe zones in different shapes and sizes. When your pet exits the predetermined parameter you set, this device will send you email, text, and push notifications.The sharing feature provides you an option to give a friend or family member full access to its tracking features.
Activity and Fitness Tracker
The Whistle tracker can show your pet’s record of 24-hour activity in a graph. This device gives you full insight into the distance traveled, active and inactive time, pet activity level, and the number of calories burned. With this device, you have an option to customize the activity goals based on your dog’s breed, age, and weight.
Whistle
The Whistle tracker can show your pet’s record of 24-hour activity in a graph. This device gives you full insight into the distance traveled, active and inactive time, pet activity level, and the number of calories burned. With this device, you have an option to customize the activity goals based on your dog’s breed, age, and weight.
Smartphone App
The Whistle tracker phone app, which is available for Android 5.0 and iOS 10.0 users and above, gives you the option to see your pet’s locations using Google maps, which includes their 24-hour location history. You can also see the activity and inactivity data, safe zone, battery, and an option to adjust settings.
Whistle
The Whistle tracker phone app, which is available for Android 5.0 and iOS 10.0 users and above, gives you the option to see your pet’s locations using Google maps, which includes their 24-hour location history. You can also see the activity and inactivity data, safe zone, battery, and an option to adjust settings.
Pricing and Subscription
Whistle GO device costs $129 (
check the up-to-date price here) and comes with a mandatory service subscription plan priced at $9.95 for a monthly subscription; $7.95 for yearly; and $6.95 for 2 years which makes it expensive for us dog owners. This comes with a money-back guarantee within 90 days upon order.
Whistle
Whistle GO device costs $129 (
check the up-to-date price here) and comes with a mandatory service subscription plan priced at $9.95 for a monthly subscription; $7.95 for yearly; and $6.95 for 2 years which makes it expensive for us dog owners. This comes with a money-back guarantee within 90 days upon order.
The Verdict
Whistle has more features but it comes with a paid subscription. On the other hand, Findster Duo+ is subscription-free dog GPS collar which is the winning point, but it has so many customer complaints and they have recently discontinued the product. It depends on what features you want from the collar and the budget you are willing to spend to make your dog safe, but I would personally use Whistle because they have an unlimited tracking range and also a great battery. However, on top of these two, I would recommend Fi dog collar instead.
IMPORTANT NOTE: If you found this comparison helpful and decided on buying Whistle, I would highly appreciate if you use my referral link for purchasing. I will receive a small commission at no cost to you. It will keep me motivated to buy expensive dog gadgets, properly test them and provide unbiased reviews.
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Mark is a Boston University graduate and former electrical engineer. In 2017, he decided to combine his tech knowledge with his love for dogs. He spent a year familiarizing himself with the latest GPS tracking collars, invisible fences, and other hot pet gadgets before he wrote his first product review. After selling Technobark, Mark remained a writer and consultant but spends more time on his other passion now: raising and training his growing family of dogs.
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If you click this link and make a purchase, we earn a commission at no additional cost to you. 2026-06-23
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