
The hardest part of being a dog owner? Not Knowing.
Heyrex tracks your dog's health, activity and location so you can keep your dog safe, healthy and living their best life.
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5 reasons to choose Heyrex

Spot health issues early with real-time alerts
Dogs hide pain. Heyrex tracks small changes like scratching or movement issues, helping you catch problems early and avoid big vet bills.
Understand your dog with simple wellbeing score
Heyrex turns all their behaviour data into one easy-to-understand wellbeing score - so you always know how they’re really doing.
Track their location
Heyrex’s GPS and “Find My Pet” mode help you track your dog in real time
Know they're exercising enough
Get alerted when they’re not active enough, so you can keep them fit and healthy
Earn rewards
Earn Wag-o’s by keeping your dog active and healthy. Redeem them for free products, discounts, and exclusive perks from top brands in the Heyrex Store! Learn more about Wag-o Points
How Heyrex Works
Heyrex monitors your dog’s movement and temperature every 15 minutes, learns their normal patterns, and alerts you to any changes.
Wellbeing Score
Know how your dog is really doing with a daily score out of 100 based on activity, rest, and behavior patterns.
Find My Dog
See your dog’s real-time location on a map, anytime they’re wearing Heyrex.
Instant Health Alerts
Be instantly notified if your dog’s behavior changes in ways that may signal a health issue.
Fitness, Exercise & Weight Management
Set tailored exercise goals based on your dog's breed and age. Track weight to keep your dog fit and healthy.

The Heyrex Range
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Heyrex™2 Healthy Dog Starter Bundle
Regular price $165.00 NZDRegular priceUnit price / per$210.00 NZDSale price $165.00 NZDSale
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The Most Tested Dog Biosensor on the Market
Heyrex wasn’t built overnight. It’s the result of years of development by a team of vets, university researchers & engineers.
Heyrex has been through clinical trials at Massey University and validated through at the Waltham Petcare Science Institute in the UK.
Heyrex is currently used in vet clinics across Australia, New Zealand & the US. Today, vets, researchers, & behaviorists choose Heyrex when they need data they can trust.
What Our Customers Think
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"Heyrex alerted me to Fred’s scratching while he was on a farm trip - turns out he had fleas!"
- Simon
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"Heyrex has been great for tracking Moose’s activity and rest cycles over time. The graphs clearly show his daily patterns and the big spikes when he plays with his mates."
- Julie
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"I love checking on Charlie at doggie daycare - she’s so active and happy. I can also monitor her when I’m away, all from my smartphone."
- Jason
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“My dog’s getting older and Heyrex helps me spot small changes in her activity. It’s helped me have better convos with my vet - huge peace of mind.”
- William
Our Promise
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Express Shipping
Urban: 1-3 days
Rural: 2-4 days
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Earn Rewards (Wago Points)
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1 year warranty
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5 star reviews
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Developed in NZ
Heyrex Success Stories
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How Heyrex2 Helped Sianne Keep Poppy Healthy
Discover how Heyrex2 helped Sianne manage her greyhound Poppy's health, activity, and wellness with personalized insights and reminders.
How Heyrex2 Helped Sianne Keep Poppy Healthy
Discover how Heyrex2 helped Sianne manage her greyhound Poppy's health, activity, and wellness with personalized insights and reminders.
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Heyrex2 Alerts Save Harry from Surgery - Twice!
Discover how Heyrex2 helped William's Schnoodle, Harry, avoid costly vet bills and stay healthy with early detection and seamless monitoring.
Heyrex2 Alerts Save Harry from Surgery - Twice!
Discover how Heyrex2 helped William's Schnoodle, Harry, avoid costly vet bills and stay healthy with early detection and seamless monitoring.
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How Heyrex2 Saved Luna from a Costly Surgery
See how Heyrex2 helped Sophia catch early signs of joint strain in Luna, saving her from expensive surgery.
How Heyrex2 Saved Luna from a Costly Surgery
See how Heyrex2 helped Sophia catch early signs of joint strain in Luna, saving her from expensive surgery.
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