Marco Polo VS Whistle 3
Advertiser Disclosure
This website features affiliate links. For purchases made via these links, we earn commissions that allow us to keep producing helpful content. To find out more click here. Close
If you are stuck choosing between Marco Polo and Whistle 3, our comprehensive Marco Polo VS Whistle 3 comparison can help you pick the right pet tracker in no time. View their most important features below and discover which pet tracking solution is the winner of this comparison.
VS
Highlights

Whistle is a popular GPS tracker and activity monitor for cats and dogs that offers an impressive feature set, great accuracy, and an almost unlimited communication range.
- Works over any distance within AT&T cellular coverage
- Create multiple fully customizable safe zones for your pet
- Affordable, small, lightweight, waterproof, and shockproof
- Price: $99.95
- Shipping: $0

Marco Polo is a radio frequency pet tracking system that updates your pet’s location information every few seconds and boasts a 2-mile communication range. The device is accurate within inches.
- Easy indoor and outdoor tracking in any corner of the world
- Quick alerts and a minimum safe zone radius of just 50 feet
- Battery life of up to 45 days, up to 3 days with live tracking
- Price: $234.95
- Shipping: $0 *
*free shipping throughout the US
Compare Features

Highlights
Whistle is a lightweight GPS pet tracker that works throughout the US, boasts high accuracy and good battery life, allows for both location and activity tracking and offers extraordinary safe zone customization options.
Type
GPS Pet Tracker
Design
Whistle tracking unit comes in the form of a rounded cuboid and is available in 3 versions, including gray, green, and blue. It measures 1.82 inches in height by 1.45 inches in width by 0.61 inches in depth. It is attached to the pet's collar or harness with the use of a rubber attachment strap. The attachment mechanism allows you to easily twist the device on and off.
Available Sizes
Whistle does not come in different sizes and it fits most collars up to 1'' wide.
Suitable For Cats
Durability
Whistle is IP67 dirt and shock resistant and waterproof up to 3 feet underwater for up to 30 minutes. It comes with a durable attachment strap made of strong rubber and it is designed to endure rough play. It does not have a specific lifespan but can last for at least a couple of years with proper use.
Key Tracking Features
Whistle allows you to keep track of your pet’s location with:
- GPS location tracking, which allows you to get location updates every 60 seconds;
- Multiple safe zones, which are fully customizable in terms of size and shape;
- 24-hour location history for your pet;
- Text, email, and push notifications sent when your pet leaves the safe zone;
- Sharing, which allows you to give your friends and family full access to all Whistle tracking features.
Pet Activity Monitoring
Whistle allows you to gain full insight into your pet’s activity levels with:
- 24-hour activity records shown in the form of a graph;
- Information on distance traveled;
- Rest time and active time expressed in minutes and hours;
- Information on pet’s activity level (moderate and intense);
- Number of calories pet has burned during the day;
- Custom activity goals, which you can define yourself or let the app define based on your pet’s breed, weight, and age.
Training Assistance
Whistle does not provide training assistance.
Additional Features
Extra features available with Whistle include: - battery alerts, notifying you when the device's battery is low and needs to be recharged.
Communication Range
Whistle works over any distance within AT&T and WiFi coverage.
Weight
0.92 oz., 1.25 oz. with the attachment piece
Shockproof
Waterproof
Night Mode
Battery Life
About 7 days with good WiFi and cellular coverage
Smartphone App
Whistle smartphone app is available free of charge. It is compatible with iOS 10.0+ and Android 5.0+. It allows you to view your pet’s current location on a Google map, browse 24-hour location history, view 24-hour rest and activity data, receive safe zone, battery, and activity notifications, add and remove safe zones, and adjust settings. You can use the app to track multiple pets and share access with multiple users.
Connectivity
Whistle uses GPS technology for location tracking, WiFi technology for creating safe zones, cellular technology for data transfer between the tracking unit and the pet guardian's smartphone, and Bluetooth technology for pairing the tracking unit with the pet guardian's smartphone.
Coverage
Throughout the US (within AT&T cell coverage)
Pricing
Device: $79.95 (currently $59.95 with a 20% discount); Service plan: $9.95 with the monthly subscription, $7.95 with the yearly subscription, and $6.95 with the 2-year subscription
Shipping and Delivery
Whistle comes with free 2-day shipping.
Refund Policy
Whistle comes with a 90-day money-back guarantee. If you are not satisfied with the product, you just need to return it within 90 days of purchase in order to receive a full refund.
Warranty
Whistle does not come with a warranty.

Highlights
Marco Polo advanced pet tracking system is accurate within inches and it can track your pet both indoors and outdoors. It provides location updates every few seconds, works in every corner of the world, and has a communication range of 2 miles.
Type
Radio Frequency Pet Tracker
Design
Marco Polo pet tracking system consists of a handheld locator and a tracking tag. The locator measures 6’’ x 3.5’’ x 1.75’’ while the tracking tag measures 1’’ x 5’’ x 0.5’’. The locator weights 7.8 oz. while the tracking tag weighs 0.8 oz., which makes it suitable for both large and small dogs and cats. The tracking tag is attached to the collar with a ballistic nylon holder with Class 4 Military Spec Velcro straps.
Available Sizes
Marco Polo pet tracking system does not come in different sizes and fits collars up to 2 inches wide, up to 0.25 inches thick, and 7+ inches long.
Suitable For Cats
Durability
The Marco Polo tracking tag is resistant to impact and water and designed to endure rough play. It has a durable battery and is protected with a military-grade cover. Overall, it is more durable than a number of its competitors and sure to last for years if properly used.
Key Tracking Features
Marco Polo advanced tracking system offers all the most important tools for efficient tracking, including:
- True real-time tracking, with location information updated in a few seconds;
- Single-button tracking, which allows even absolute beginners to easily track their pets with live tracking activated with a single push of the button;
- Safe zones, with 4 preset boundary levels available, including 50-feet, 100-feet, 300-feet, and maximum-range radius;
- Alerts, sent when your pet leaves the safe zone, arriving within a maximum of 80 seconds;
- Phone notifications, enabled via the external alarm output, with prerecorded voice messages sent to 1 or multiple phone contacts;
- Search mode, used when your pet is out of range, which allows you to receive a beep alert when communication between the tracking tag and the locator is reestablished.
Pet Activity Monitoring
Marco Polo does not monitor pet activity.
Training Assistance
Marco Polo does not provide tracking assistance.
Additional Features
Marco Polo does not come with any additional features.
Communication Range
2 miles
Weight
0.8 oz. (tag only)
Shockproof
Waterproof
Night Mode
Battery Life
45 days, 3 days in tracking mode
Smartphone App
Marco Polo does not come with a smartphone app.
Connectivity
Marco Polo exclusively relies on radio frequency signals.
Coverage
Marco Polo does not rely on any external services, which allows it to work anywhere on the planet, including the most remote areas.
Pricing
1-Pet Tracking System: $234.95; 2-Pet Tracking System: $284.95; 3-Pet Tracking System: $334.95
Shipping and Delivery
Marco Polo comes with free shipping throughout the US via USPS Priority Mail. Shipments to Canada come with a flat shipping fee of $25.
Refund Policy
Marco Polo comes with a 30-day money-back guarantee. In order to receive a full refund, you need to return the device in good condition, with all elements of the system included.
Warranty
Marco Polo comes with a 90-day limited warranty. During the warranty period, the device may be repaired or replaced at no charge. The warranty does not cover defects and damage that may arise due to improper use, unauthorized modifications or normal wear and tear
Compare Ratings
Winner

Whistle is a GPS tracking solution for dogs and cats that provides easy and accurate location tracking as well as comprehensive activity monitoring. It is feature-rich, has a good battery life, and works anywhere within AT&T cellular coverage. Read our objective Whistle review for a full overview of this pet tracker’s key characteristics.