Effective Date: August 19, 2026
Welcome to Tracker Heart Health. These Terms of Use ("Terms") govern your access to and use of the Tracker Heart Health mobile application and related services provided by Liangyang Network ("we," "us," or "our").
By downloading, installing, accessing, or using Tracker Heart Health, you acknowledge that you have read, understood, and agree to be bound by these Terms. If you do not agree with these Terms, please do not use the application.
1. Service Description
Tracker Heart Health is a health and wellness application designed to help users monitor, record, and manage general health information.
Depending on the features available in the current version of the App, Tracker Heart Health may provide:
Heart rate measurement using the device camera
Heart rate history and tracking
Blood pressure record management
Blood glucose record management
Blood oxygen record management
BMI calculation
Weight and body measurement tracking
Health and wellness information
Health data visualization and statistics
Other health and wellness tools
Tracker Heart Health is intended for personal health and wellness tracking purposes only.
2. Not a Medical Device
Tracker Heart Health is not a medical device and is not intended to diagnose, treat, cure, prevent, or monitor any disease or medical condition.
Any measurements, calculations, records, recommendations, articles, or other information provided by Tracker Heart Health are intended for general informational and wellness purposes only.
The heart rate measurement feature may use the device camera and software-based optical analysis to estimate heart rate. Results may be affected by factors including lighting conditions, camera quality, device hardware, finger placement, movement, and other environmental conditions.
Measurements provided by Tracker Heart Health should not be considered a substitute for professional medical examination, diagnosis, or treatment.
Do not rely on Tracker Heart Health for emergency medical decisions. If you experience symptoms or believe you may have a medical emergency, seek appropriate medical assistance immediately.
3. User Responsibilities
When using Tracker Heart Health, you agree to:
Use the App only for lawful purposes
Provide accurate information when manually entering health records
Review information carefully before relying on it
Use the App in accordance with these Terms and applicable laws
Not attempt to interfere with, damage, reverse engineer, or disrupt the App or its services
Not use the App for unauthorized commercial purposes
Not misuse any measurement, content, or functionality provided by the App
You are responsible for the accuracy of information you enter into Tracker Heart Health and for how you use or interpret information provided by the App.
4. Camera-Based Heart Rate Measurement
If you use Tracker Heart Health's camera-based heart rate feature, you may be required to grant access to your device camera.
The camera feature is designed to analyze optical changes associated with blood circulation to estimate heart rate.
Measurement results are estimates and may not be accurate or suitable for medical purposes.
You should follow the instructions displayed within the App when taking a measurement and avoid relying on a measurement that appears abnormal or inconsistent.
Camera access can be controlled through your device's system settings.
5. Health Information
Tracker Heart Health may allow you to record health and wellness information, such as heart rate, blood pressure, blood glucose, blood oxygen, weight, BMI, and other measurements.
Such information is intended to help you organize and track your personal wellness records.
You should maintain appropriate backups of any information that is important to you. Depending on the features and settings of your device, deleting the App or clearing its data may result in the loss of locally stored records.
For information about how Tracker Heart Health handles personal information, please refer to our Privacy Policy.
6. Subscriptions and Purchases
Certain features or services of Tracker Heart Health may require a paid subscription or other in-app purchase.
6.1 Subscription Options
Tracker Heart Health offers the following auto-renewable subscription options:
Weekly Subscription: Charged weekly and automatically renews every week
Annual Subscription: Charged annually and automatically renews every year
Subscription pricing and available features will be presented in the App before you complete a purchase.
6.2 Payment and Renewal
Payment will be charged to your Apple App Store account at confirmation of purchase.
Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period.
Your account will be charged for renewal within 24 hours prior to the end of the current period, at the same price as the original subscription unless pricing has changed and you have been notified.
You will retain access to subscription features for the entire duration of the current subscription period, even if you cancel auto-renewal.
6.3 Free Trials
If a free trial is offered:
You may be required to provide payment information to start the trial.
Payment will be charged automatically at the end of the trial period unless you cancel at least 24 hours before the trial ends.
Any unused portion of a free trial period will be forfeited when you purchase a subscription.
6.4 Managing and Canceling Subscriptions
You can view, manage, or cancel your subscription at any time through your Apple App Store account settings.
To cancel, go to: Settings > [Your Name] > Subscriptions on your iOS device, select Tracker Heart Health, and turn off auto-renewal.
Cancellation takes effect at the end of the current subscription period. No refunds will be provided for the unused portion of the current period.
You may also manage subscriptions by visiting your App Store account on the web or through iTunes.
6.5 Changes to Subscription Terms
We may change subscription pricing or features from time to time. Any price change will apply to new subscriptions or renewals after the change takes effect, and you will be notified in advance where required by applicable law.
6.6 Refunds
All purchases are processed through the Apple App Store and are subject to Apple's refund policies. We do not have direct access to or control over App Store transactions. If you believe you are entitled to a refund, please contact Apple Support directly.
7. Intellectual Property
All rights, title, and interest in and to Tracker Heart Health, including but not limited to its software, user interface, design, graphics, logos, text, articles, features, and other content, are owned by or licensed to Liangyang Network and are protected by applicable intellectual property laws.
Except as expressly permitted by law or by us in writing, you may not:
Copy or reproduce the App or its content
Modify or create derivative works
Distribute or publicly display the App or its content
Reverse engineer or attempt to extract source code
Sell, rent, sublicense, or commercially exploit the App
Your use of Tracker Heart Health does not grant you ownership of any intellectual property rights in the App.
8. Third-Party Services and Content
Tracker Heart Health may contain or rely on third-party services, technologies, advertisements, analytics services, or external content.
Third-party services may be subject to their own terms and privacy policies.
We are not responsible for the availability, accuracy, security, or content of third-party services that are outside our reasonable control.
9. Disclaimer of Warranties
To the maximum extent permitted by applicable law, Tracker Heart Health is provided on an "AS IS" and "AS AVAILABLE" basis.
We do not guarantee that:
The App will always be available or uninterrupted
The App will be free from errors or defects
Health measurements will be accurate or complete
Information provided by the App will meet your specific needs
The App will be suitable for medical or clinical use
You acknowledge that health measurements and other information generated by the App may contain inaccuracies.
10. Limitation of Liability
To the maximum extent permitted by applicable law, Liangyang Network and its affiliates, employees, partners, and service providers shall not be liable for any indirect, incidental, special, consequential, or other damages arising from or related to:
Your use or inability to use Tracker Heart Health
Inaccurate or incomplete measurements
Reliance on information provided by the App
Health-related decisions made based on App information
Loss of locally stored data
Temporary interruption or unavailability of the App
Use of third-party services or content
Nothing in these Terms excludes or limits liability that cannot legally be excluded or limited under applicable law.
11. Suspension and Termination
We may modify, suspend, or discontinue all or part of Tracker Heart Health at any time, including individual features or services.
You may stop using the App at any time by uninstalling it from your device.
If you violate these Terms, we may restrict or terminate your access to certain features or services to the extent permitted by applicable law.
12. Changes to These Terms
We may update these Terms from time to time to reflect changes to Tracker Heart Health, our services, applicable laws, or business practices.
When we make changes, the updated Terms will be made available through the App or an associated website.
Your continued use of Tracker Heart Health after the updated Terms become effective constitutes your acceptance of the revised Terms.
13. Governing Law
These Terms shall be governed by and interpreted in accordance with applicable laws, without regard to conflict-of-law principles.
Any rights or remedies available to you under applicable consumer protection laws remain unaffected by this provision.
14. Contact Us
If you have any questions, concerns, or requests regarding these Terms of Use, please contact us:
Email: account@qy-teches.com
