Last Updated: October 26, 2024<\/p>\n\n\n\n
Effective Date: October 26, 2024<\/p>\n\n\n\n
Overview<\/p>\n\n\n\n
Welcome to Hand Endurance Pro! We take your privacy seriously. Hand Endurance Pro is a hand endurance training app<\/p>\n\n\n\n
designed for Apple Watch to help users track and improve their training progress.<\/p>\n\n\n\n
This privacy policy explains how we collect, use and protect your personal information. By using this app, you<\/p>\n\n\n\n
agree to the practices described in this policy.<\/p>\n\n\n\n
Information We Collect<\/p>\n\n\n\n
User Input Information<\/p>\n\n\n\n
– Age group selection: Young Adults (18-35) or Middle-aged Adults (36-50)<\/p>\n\n\n\n
– Exercise status assessment: Selection from four predefined states<\/p>\n\n\n\n
– Personalized training settings: Target training duration (1-60 minutes)<\/p>\n\n\n\n
Sensor Data<\/p>\n\n\n\n
– Heart rate data: Current heart rate reading through Apple HealthKit<\/p>\n\n\n\n
– Motion sensor data: Device accelerometer and gyroscope data for hand movement detection<\/p>\n\n\n\n
– Exercise duration: Automatic recording of training session length<\/p>\n\n\n\n
Automatically Calculated Data<\/p>\n\n\n\n
– Hand movement frequency: Calculated movements per minute based on sensor data<\/p>\n\n\n\n
– Total movement count: Total movement count during single training session<\/p>\n\n\n\n
– Average heart rate: Average heart rate value during training session<\/p>\n\n\n\n
How We Use Your Information<\/p>\n\n\n\n
Primary Purposes<\/p>\n\n\n\n
– Core functionality: Provide hand endurance training monitoring and recording<\/p>\n\n\n\n
– Personalized experience: Provide customized recommendations based on age group and exercise status<\/p>\n\n\n\n
– Training analysis: Generate personal training trend reports (7-day data analysis)<\/p>\n\n\n\n
– Feature improvement: Enhance app performance and user experience<\/p>\n\n\n\n
Data Storage and Security<\/p>\n\n\n\n
Local Storage Principle<\/p>\n\n\n\n
– Complete local storage: All data is stored only on your Apple Watch and iPhone<\/p>\n\n\n\n
– No cloud transmission: We do not upload any data to servers or cloud storage<\/p>\n\n\n\n
– No network transmission: The app runs completely offline with no network requests<\/p>\n\n\n\n
Data Security Measures<\/p>\n\n\n\n
– Apple platform protection: Uses built-in iOS and watchOS security features<\/p>\n\n\n\n
– Device-level encryption: Data protected by device password and biometric authentication<\/p>\n\n\n\n
– Sandbox isolation: App data is strictly isolated from other applications<\/p>\n\n\n\n
Third-Party Services<\/p>\n\n\n\n
Apple HealthKit<\/p>\n\n\n\n
– Permission scope: Access current heart rate data only with your explicit authorization<\/p>\n\n\n\n
– Usage limits: Only reads real-time heart rate, does not access historical health records<\/p>\n\n\n\n
– User control: You can revoke this permission at any time in iOS Settings<\/p>\n\n\n\n
– Data flow: Used for display only, does not write or modify HealthKit data<\/p>\n\n\n\n
CoreMotion Framework<\/p>\n\n\n\n
– Purpose: Access device motion sensors to detect hand movements<\/p>\n\n\n\n
– Data types: Accelerometer and gyroscope data<\/p>\n\n\n\n
– Processing method: Temporary use only during exercise, no long-term storage of raw sensor data<\/p>\n\n\n\n
Important Declaration<\/p>\n\n\n\n
– No third-party services: We do not use any analytics tools, advertising services, or data sharing platforms<\/p>\n\n\n\n
– No network connection: The app contains no network requests or API calls<\/p>\n\n\n\n
– No data sharing: We do not share your personal information with any third parties<\/p>\n\n\n\n
Data Retention<\/p>\n\n\n\n
Storage Duration<\/p>\n\n\n\n
– Exercise records: Permanently stored on your device until you actively delete them<\/p>\n\n\n\n
– Sensor data: Temporary use only during exercise, not long-term storage<\/p>\n\n\n\n
– User settings: Persistently saved through AppStorage, can be reset at any time<\/p>\n\n\n\n
User Control Rights<\/p>\n\n\n\n
– View records: You can view all training history in the app<\/p>\n\n\n\n
– Delete data: You can delete individual training records or all records<\/p>\n\n\n\n
– Reset settings: You can reset personal information and app preferences<\/p>\n\n\n\n
– Revoke permissions: You can revoke HealthKit access permission at any time<\/p>\n\n\n\n
Children’s Privacy<\/p>\n\n\n\n
– Target users: This app is primarily designed for users 18 years and older<\/p>\n\n\n\n
– Information collection limits: We do not knowingly collect personal information from children under 13<\/p>\n\n\n\n
– Discovery handling: If we discover collected information from children, we will delete it immediately<\/p>\n\n\n\n
Your Rights<\/p>\n\n\n\n
Data Access Rights<\/p>\n\n\n\n
You have the right to:<\/p>\n\n\n\n
– View all information we collect about you<\/p>\n\n\n\n
– Know how we use this information<\/p>\n\n\n\n
– Request deletion of inaccurate information<\/p>\n\n\n\n
Data Control Rights<\/p>\n\n\n\n
You can through the app interface:<\/p>\n\n\n\n
– View all training record details<\/p>\n\n\n\n
– Delete individual or all training records<\/p>\n\n\n\n
– Modify personal settings and preferences<\/p>\n\n\n\n
– Revoke app permissions<\/p>\n\n\n\n
International Data Transfers<\/p>\n\n\n\n
Since all data is stored on your local device, there is no international data transfer. Our app fully complies<\/p>\n\n\n\n
with regional data protection regulations.<\/p>\n\n\n\n
Policy Updates<\/p>\n\n\n\n
We may update this privacy policy from time to time to reflect:<\/p>\n\n\n\n
– Changes in app functionality<\/p>\n\n\n\n
– Legal and regulatory requirements<\/p>\n\n\n\n
– Improvements in privacy protection practices<\/p>\n\n\n\n
For significant changes, we will notify you through in-app notifications. We recommend checking this policy<\/p>\n\n\n\n
regularly for the latest version.<\/p>\n\n\n\n
Contact Us<\/p>\n\n\n\n
If you have any questions, suggestions, or complaints about this privacy policy, please contact us:<\/p>\n\n\n\n
Email: wowjiejie0303@icloud.com<\/p>\n\n\n\n
We will respond to your request as soon as possible and handle related matters within 30 days.<\/p>\n\n\n\n
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