Fi Series 3 Smart Dog Collar – GPS y Monitoreo de Salud para Perros Activos (2025) | FetchyFriends

The Fi Smart 3 Dog Collar is one of the most reliable and innovative smart collars for dogs — and in this review, we’ll explain why it’s a top choice for GPS tracking, activity monitoring, and long battery life. Whether you’re at work, traveling, or just enjoying some downtime, this sleek collar ensures that you stay connected to your dog’s health and location at all times.

Dog parent monitoring their dog’s location and activity through the Fi Smart 3 Dog Collar app on a smartphone

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Last Updated on May 28, 2025

🎥 In-Depth Look at the Fi Smart 3 Dog Collar

The Fi Smart 3 Dog Collar combines real-time GPS tracking, health monitoring, and activity tracking to help you stay connected with your dog no matter where you are. With its sleek design and long battery life, it’s perfect for active dogs and their owners.

Features like GPS tracking, activity monitoring, and up to 3 months of battery life make it easy to ensure your dog’s safety and well-being. Whether you’re at work, traveling, or just out for a walk, the Fi Smart 3 Dog Collar provides peace of mind.

Dog parent monitoring their dog’s location and activity using the Fi Smart 3 Dog Collar app on a smartphone

🐾 Key Features of the Fi Smart 3 Dog Collar

Why Dog Owners Love Fi for GPS Tracking and Health Monitoring

  • Real-time GPS tracking: Stay connected with your dog’s location and activity in real-time, no matter where you are.
  • Up to 3 months of battery life: Long-lasting battery that ensures your dog’s collar stays operational for extended periods.
  • Activity & health monitoring: Track your dog’s daily activity and health stats to ensure they stay fit and healthy.
  • Durable and waterproof: Built to withstand any weather conditions, the Fi Smart 3 Dog Collar is perfect for outdoor adventures.
  • Smartphone app control: Easy to set up and manage from anywhere — track your dog’s location and monitor activity from the app.

✅ Pros & ❌ Cons

✅ Pros

  • Real-time GPS tracking to monitor your dog’s location
  • Up to 3 months of battery life for long-lasting use
  • Activity and health monitoring to track your dog’s fitness
  • Durable and waterproof design for outdoor adventures
  • Easy to set up and manage through the smartphone app
  • Lightweight and comfortable for all-day wear

❌ Cons

  • Requires stable Wi-Fi for GPS tracking and activity monitoring
  • No built-in treat dispensing feature
  • Needs a monthly subscription for full cloud storage and advanced features
  • Not suitable for smaller dogs due to the collar’s size
  • Limited to tracking activity — lacks other interactive features like the Petcube

📦 What’s in the Box?

Fi Smart 3 Dog Collar unboxed with charging dock, collar, and quick start guide

When you unbox the Fi Smart 3 Dog Collar, you’ll find the collar unit, a charging dock, a USB cable, and a quick start guide. The setup is easy and quick — you can have it ready in no time.

🔍 Simple Setup, No Hassle

The collar is designed for easy plug-and-play installation. Once connected to power and synced with your smartphone, the Fi app will guide you through a few simple steps — and you’ll be ready to track your dog’s location and activity.

⚙️ How Does the Fi Smart 3 Dog Collar Work?

Dog parent monitoring their dog’s location and activity through the Fi Smart 3 Dog Collar app on a smartphone

The Fi Smart 3 Dog Collar connects to your home Wi-Fi and syncs with the Fi app on your smartphone. Once the collar is powered and set up, you can track your dog’s real-time location and monitor their activity instantly.

Through the Fi app, you can view your dog’s location, track activity, set fitness goals, and receive real-time notifications if your dog goes out of the designated safe zone. Optional subscription plans unlock cloud storage and advanced features like activity history.

⚙️ How Does the Fi Smart 3 Dog Collar Work?

Owner monitoring their dog’s location and activity using the Fi Smart 3 Dog Collar app on a smartphone

The Fi Smart 3 Dog Collar connects to your home Wi-Fi and syncs with your smartphone via the Fi app. Once set up, you can track your dog’s real-time location and monitor their activity with ease.

Through the Fi app, you can track your dog’s location with GPS, monitor their health and activity, and receive real-time alerts if your dog leaves the designated safe area. Optional subscription plans unlock cloud storage for past activity history.

🏡 Best Use Cases for the Fi Smart 3 Dog Collar

The Fi Smart 3 Dog Collar is perfect for dog owners who want to track their dog’s location and monitor their activity while they’re away. Whether you’re at work, running errands, or traveling, this collar provides peace of mind by ensuring you always know where your dog is and how active they are.

✅ Recommended Use Scenarios

  • ✅ Ideal for: Dog owners who work long hours, travel frequently, or want to ensure their dog’s safety and activity levels are monitored when they’re away.
  • 🚫 Not recommended for: Small dogs, as the collar may be too large or uncomfortable for them. It also requires a stable Wi-Fi connection to function properly.
  • 🎯 Best scenario: Use on dogs who enjoy outdoor activities, for monitoring their location during walks, hikes, or runs, as well as tracking their fitness and health over time.

📏 Available Sizes – Which One Fits Your Dog?

🐾 XS – 9.5″ to 11″ neck circumference

  • ✅ Ideal for small breeds and puppies
  • ✅ Example: Chihuahua, Dachshund, Yorkshire Terrier

🐶 S – 10.5″ to 13″ neck circumference

  • ✅ Perfect for small to medium breeds
  • ✅ Example: Beagle, Cocker Spaniel, French Bulldog

🐕 M – 12.5″ to 16.5″ neck circumference

  • ✅ Ideal for medium-sized breeds
  • ✅ Example: Bulldog, Beagle, Border Collie

🐕‍🦳 L – 15.5″ to 22″ neck circumference

  • ✅ Perfect for large breeds
  • ✅ Example: Golden Retriever, Boxer, German Shepherd

🐾 XL – 20″ to 31″ neck circumference

  • ✅ Best for extra-large breeds
  • ✅ Example: Rottweiler, Mastiff, Great Dane
Fi Smart 3 Dog Collar sizing chart with examples of dog breeds and collar dimensions
Dog resting peacefully at home while being tracked through the Fi Smart 3 Dog Collar

🏁 Final Verdict: Is the Fi Smart 3 Dog Collar Worth It?

GPS Tracking, Activity Monitoring, Long Battery Life, and Peace of Mind While You’re Away

If you’re looking for a reliable and effective way to track your dog’s location and monitor their activity, the Fi Smart 3 Dog Collar is an excellent choice. With real-time GPS tracking, activity monitoring, and up to 3 months of battery life, it helps you stay connected with your dog — whether you’re at work, traveling, or just out for a walk.

The intuitive app, real-time notifications, and optional cloud storage make it more than just a collar — it’s a smart solution for modern dog owners. At its price point, it delivers exceptional value, especially for those looking to ensure their dog’s safety and health.

💡 Tips to Get the Most Out of Your Fi Smart 3 Dog Collar

  • 📲 Position the collar correctly: Ensure the collar is snug but comfortable for accurate tracking.
  • 🔔 Set up safe zones: Use the app to set geofenced zones and receive notifications if your dog leaves them.
  • ☁️ Try cloud features: Consider the optional subscription for cloud storage and activity history to track your dog’s long-term progress.

⭐ Our Rating: 4.8 / 5

❓ Frequently Asked Questions (FAQ)

📍 Does the Fi Smart 3 Dog Collar offer real-time GPS tracking?
Yes. You can track your dog’s location in real-time with GPS through the Fi app on your smartphone.


🎧 Can I communicate with my dog through the collar?
No. The Fi Smart 3 Dog Collar does not feature two-way audio like the Petcube Bites 2. It focuses on GPS tracking and activity monitoring.


🍃 Does it track activity and health?
Yes. The Fi Smart 3 Dog Collar tracks your dog’s daily activity and provides insights into their health and fitness levels.


🔔 Does it send alerts if my dog leaves a designated safe zone?
Yes. You can set up geofencing in the Fi app to receive notifications if your dog leaves the designated safe area.


☁️ Is cloud storage available?
Yes. You can subscribe to Fi’s cloud services to unlock activity history, health tracking, and advanced features like smart notifications.


📡 Does it work without Wi-Fi?
No. The Fi Smart 3 Dog Collar requires a stable Wi-Fi connection to sync with the app and track your dog’s location in real-time.

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