Best Smart Collars for Dogs in 2025 (Ranked & Reviewed)

Contact us to report infringement

Written by Alison Marsh, Gear & Tech Editor at The Pet Standard

In 2025, the world of pet tech has never been smarter, or more exciting. Whether you’re looking to track your dog’s location in real time, monitor their health, or just stay connected on your daily adventures, a smart collar is one of the best investments a modern dog owner can make.

After reviewing dozens of models and consulting with pet tech engineers, vets, and real users, I’ve narrowed it down to the top 5 smart collars for dogs in 2025. These collars are ranked based on GPS accuracy, comfort, battery life, features, durability, and overall value.

🥇 1. Fi Series 3 Smart Collar — Best Overall Smart Collar

Price: From £160

Battery Life: Up to 3 months

Key Features: GPS tracking, escape alerts, activity & sleep tracking, waterproof

The Fi Series 3 is hands-down the most reliable and advanced smart collar on the market this year. With LTE-M GPS tracking powered by a nationwide network, it gives you real-time updates on your dog’s location—even in rural areas where others lose signal.

The app is sleek and intuitive, giving insights into your dog’s steps, sleep, and activity levels. It's built tough with military-grade materials and is completely waterproof, making it perfect for dogs that love to run, roll, and swim.

✅ Pros: Long battery life, unbeatable tracking, great app

❌ Cons: Subscription required for full features

Best for: Dog owners who want premium features and total peace of mind.

🥈 2. Tractive GPS Dog Tracker (2025 Edition) — Best for Global Travel

Price: From £45

Battery Life: 7 days

Key Features: GPS tracking, health monitoring, virtual fences, global coverage

The Tractive GPS tracker has long been a favourite, and the 2025 model steps it up with better accuracy and faster location updates. What sets Tractive apart is its international coverage, making it ideal for travellers or digital nomads with their four-legged co-pilots.

You can create virtual fences and get alerts when your dog leaves a designated area. The new model also adds wellness tracking, monitoring calories burned and sleep patterns.

✅ Pros: Affordable, international support, quick GPS updates

❌ Cons: Battery needs weekly charging

Best for: Owners who travel or live abroad and want reliable, affordable tracking.

🥉 3. Whistle Health & GPS+ Collar — Best for Health Monitoring

Price: From £130

Battery Life: 10–14 days

Key Features: GPS tracking, vet-approved health insights, behaviour alerts

If your priority is health, the Whistle Health & GPS+ is the best in its class. This collar goes beyond location tracking, offering real-time health and behaviour monitoring. It can detect early signs of illness through shifts in scratching, licking, or sleeping patterns—allowing early intervention and better care.

Their app includes tele-vet access, which is especially helpful if you’re busy or live far from a clinic.

✅ Pros: Excellent health tracking, alerts for abnormal behaviour

❌ Cons: Slightly bulky for small dogs

Best for: Owners of senior dogs or breeds prone to health issues.

4. Halo Collar 3 — Best for Off-Leash Training

Price: From £550

Battery Life: Up to 20 hours

Key Features: GPS fencing, training tools, activity tracking, built-in feedback sounds

Developed in partnership with dog behaviourist Cesar Millan, the Halo Collar 3 is designed for off-leash freedom with control. It creates virtual fences without wires and corrects your dog’s behaviour using customizable feedback (vibrations, sounds, or static).

It also works as a full fitness and location tracker. While the price is high, it replaces the need for both a physical fence and a trainer for many owners.

✅ Pros: All-in-one solution for training + safety

❌ Cons: Pricey, shorter battery life

Best for: Active dog owners who want off-leash confidence.

5. Pawfit 3 Smart Pet Tracker — Best Budget-Friendly Option

Price: From £69

Battery Life: 6–10 days

Key Features: Live GPS, voice commands, environmental alerts

The Pawfit 3 offers a fantastic set of features for its low price tag. It gives you GPS tracking, temperature alerts (to warn if your dog is in an unsafe hot or cold environment), and even voice playback, so your dog can hear a recorded command from you through the collar.

It’s not as sleek as Fi or Whistle, but for those on a budget, it’s incredibly capable.

✅ Pros: Affordable, voice feature is unique

❌ Cons: App UI not as refined

Best for: Budget-conscious dog owners who still want smart features.

What to Look For in a Smart Dog Collar in 2025

If you're shopping for your first smart collar, here’s a quick checklist of what to look for:

• GPS Accuracy: Essential for off-leash safety

• Battery Life: The longer, the better (especially for rural or travel use)

• Durability: Waterproof, chew-proof, weather-resistant

• App Quality: Clean interface, fast updates, real-time notifications

• Extra Features: Health monitoring, training tools, virtual fencing

Final Thoughts

Choosing the right smart collar comes down to your dog’s lifestyle and your personal needs. For most, the Fi Series 3 offers the best all-around package. If you're after health data, go with Whistle. And if you're traveling or working with a tighter budget, Tractive and Pawfit 3 are excellent options.

Whatever you choose, smart collars represent a huge leap in how we care for our pets—providing data, peace of mind, and a deeper connection to our furry companions.

Alison Marsh is the Gear & Tech Editor at The Pet Standard. She lives in Brighton with her two spaniels, Luna and Marley, and never misses a chance to test the latest pet gadgets before they hit the shelves.