Heart Stabilizer
Calm your heart, live better
0 ratings
Archived App (Last seen on 15 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
Rating summary
About
Quardio is a cutting-edge heart rate stabilization application designed to help you manage stress, anxiety, and irregular heart rhythms effortlessly. Seamlessly integrated with Apple Watch, Quardio uses advanced algorithms based on the golden ratio to provide real-time heart rate stabilization through vibration, sound, and visual synchronization.
Whether you’re an industrial worker in high-stress environments, someone managing a heart condition like arrhythmia or tachycardia, or simply looking to maintain a balanced heart rate during daily activities, Quardio offers a non-invasive, preventive solution for your heart health.
Quardio provides various premium stabilization modes such as Start Stabilization Session, After Exercise, Morning Boost, Keep Calm, Deep Relaxation, and Idle Stab Mode, available exclusively through an active subscription. Users can try the core functionality for free by initiating stabilization sessions through a simple tap on the heart icon on the home screen. Additionally, viewing stabilization history is included in the free version.
Privacy Policy - https://docs.google.com/document/u/0/d/15EHxJbpz6B8yHrA04hbpLbmLA6s0-YDfA1J0qjWfeQo
Terms of Use (EULA) - https://docs.google.com/document/d/1E8CWnyhd4jmvqKzRFfI2dyUhCdx6dwdTO6QglpQU68E/edit?usp=sharing
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What's New in Heart Stabilizer
1.1.0
March 21, 2026
Added an exclusive subscription plan for early adopters. Improved app stability and fixed bugs.
Subscription plans
Premium 1 year
Unlock premium features
$39.991 Year
7 Days trial