Stabilize Your Heart Rate. Manage YourStress.
Quardio uses advanced algorithms based on the golden ratio to provide real-time heart rate stabilization through your Apple Watch.
Advanced Heart Rate Stabilization
Quardio offers a comprehensive suite of features designed to help you manage stress, anxiety, and irregular heart rhythms effortlessly.
Apple Watch Integration
Seamlessly connects with your Apple Watch for real-time monitoring and feedback.
Golden Ratio Algorithm
Uses advanced algorithms based on the golden ratio for optimal heart rate stabilization.
Non-Invasive Solution
Provides preventive care through vibration, sound, and visual synchronization.
Multiple Stabilization Modes
Choose from various modes: After Exercise, Morning Boost, Keep Calm, Deep Relaxation, and more.
Real-Time Monitoring
Track your heart rate patterns and stabilization progress in real-time.
Comprehensive History
Review your stabilization history and track your progress over time.
Simple. Effective. Reliable.
Quardio uses a combination of vibration, sound, and visual cues to help stabilize your heart rate.
Connect
Pair Quardio with your Apple Watch and set up your profile.
Select Mode
Choose the stabilization mode that fits your current needs.
Stabilize
Follow the vibration, sound, and visual cues to stabilize your heart rate.
Choose Your Plan
Try the core functionality for free or unlock premium features with a subscription.
Free
Core functionality to get you started
- Basic stabilization sessions
- View stabilization history
- Apple Watch integration
Founder Plan
Early adopter exclusive
24-month lock then standard pricing
- All Free features
- Advanced Analytics
- Automatic Stabilization
- Improved Algorithms
- Ad-free experience
Premium
Unlock all features
14-day free trial
- All Free features
- Advanced Analytics
- Automatic Stabilization
- Improved Algorithms
- Ad-free experience
- Custom reminders
What Our Users Say
Hear from people who have transformed their heart health with Quardio.
Sarah M.
Industrial Worker
Quardio has been a game-changer for managing my stress levels during high-pressure shifts. The vibration feedback helps me stay centered.
Michael T.
Arrhythmia Patient
I've been living with arrhythmia for years. Quardio helps me identify when my heart rate is becoming irregular and guides me back to stability.
Jennifer K.
Yoga Instructor
The Deep Relaxation mode is perfect for my meditation practice. I use it daily to achieve a calm, centered state before teaching my classes.
Frequently Asked Questions
Find answers to common questions about Quardio.
Ready to Stabilize Your Heart?
Download Quardio today and take the first step toward better heart health.