Privacy Policy
Effective Date: January 15, 2025
Last Updated: January 15, 2025
This Privacy Policy applies to the GenTall mobile application ("Application"), developed by GenTall Team ("Service Provider"), offered as a freemium service. By using the Application, you agree to the collection and use of information in accordance with this policy.
Information Collection and Use
The Application may collect certain information automatically when you download and use it, including:
- Your device's IP address
- The screens and features visited within the app
- Time and date of your usage
- Time spent on each screen and overall app usage
- Operating system of your mobile device
- Height measurements and tracking data you input
- Game activity and performance data (Massive Jump scores, Cobra Stretch completion, etc.)
- Exercise completion data and progress
- Notification preferences and settings
- App settings and customization choices
In some cases, you may be asked to provide personally identifiable information, such as your email for app-related communication, support, and account management. This information is retained and used only as described in this policy.
Height and Growth Tracking Data
Data Privacy: GenTall helps you track your height growth journey by storing data you manually input. All height measurements, predictions, and personal growth data are entered by you and stored securely.
What We Collect
- Height measurements you manually enter
- Age, gender, and family height data for predictions
- Growth milestones and tracking history
- Game performance data (jump heights, stretch duration, posture scores, sprint times)
- Exercise completion records and progress
- Custom goals and personal notes
- Daily challenge completion status
- Achievement and reward data
- Notification preferences and reminder settings
- App usage patterns and feature preferences
- Analytics data for app improvement
- Error logs and performance data
How We Use This Data
- To provide height tracking and prediction functionality
- To generate personalized growth insights and recommendations
- To calculate height predictions based on your input data
- To track your progress in games (Massive Jump, Cobra Stretch, Posture Master, Growth Sprint)
- To provide game statistics and performance analytics
- To send reminder notifications for games, exercises, and measurements
- To improve app performance and user experience
- To provide personalized game and exercise recommendations
- To analyze app usage patterns for service improvement
- To provide customer support and troubleshooting
- To award achievements and track milestone completion
Camera and Sensor Data
Camera and Sensor Usage: GenTall may use your device camera and motion sensors for certain game features. All camera and sensor data is processed locally on your device in real-time and is NOT stored, transmitted, or uploaded to our servers.
Camera and Sensor Information
- Camera Access: May be used for posture detection in certain games
- Accelerometer: Used for Massive Jump to measure jump height and movement
- Gyroscope: Used for posture detection and body position tracking in games
- Motion Sensors: Used for Growth Sprint and movement-based activities
- Local Processing: All camera and sensor data is processed on your device
- No Storage: Images and sensor data are not saved or transmitted
- Permission Control: You can revoke camera/sensor access anytime through device settings
Game Activity Data
What We Track
- Massive Jump: Jump heights, frequency, and personal records
- Cobra Stretch: Stretch duration, form quality, and completion frequency
- Posture Master: Posture scores, improvement trends, and session duration
- Growth Sprint: Challenge completion, consistency, and achievement unlocks
- Overall game engagement and favorite activities
- Time spent in each game and exercise
How Game Data Is Used
- To track your progress and improvement over time
- To provide personalized game recommendations
- To adjust game difficulty based on your performance
- To award achievements and unlock rewards
- To generate progress reports and statistics
- To improve game mechanics and user experience
Third-Party Access and Services
We may use third-party services to help improve our application. These services may have access to anonymized, aggregated data but cannot access your personal height information, game data, or camera data for independent use.
The Application uses the following third-party services:
- Google Play Services
- RevenueCat (for subscription management)
- Analytics services for app improvement
- Crash reporting services for stability
Your data may also be shared:
- As required by law or legal processes
- To protect user safety, investigate fraud, or respond to government requests
- With trusted service providers under confidentiality agreements
- In anonymized, aggregated form for research and development
Data Storage and Security
Local Storage
- All height tracking data is stored locally on your device by default
- Height measurements and growth history are saved in secure device storage
- Game scores, exercise progress, and achievements are stored using secure local storage
- App preferences and settings are stored on your device
- Camera and sensor data are never stored - only processed in real-time
Cloud Backup (Premium Feature)
- Premium users can enable cloud backup for data sync across devices
- Backed-up data includes height measurements, game progress, and achievements
- Backed-up data is encrypted during transmission and storage
- You control whether cloud backup is enabled
- You can delete cloud-backed data at any time
Security Measures
We take your privacy seriously and use appropriate technical and organizational safeguards to protect your data, including:
- Encryption of data transmission when communicating with our servers
- Secure local storage for all height tracking, game data, and personal information
- Regular security audits and updates
- Limited access to any transmitted data by authorized personnel only
- Secure data processing protocols for app functionality
- No storage or transmission of camera/video data
- Protection against unauthorized access and data breaches
Opt-Out Rights
You may stop data collection at any time by:
- Uninstalling the application using the standard uninstall process
- Turning off notifications through device settings
- Revoking camera and sensor permissions through device settings
- Clearing your saved height data and game progress through the app settings
- Disabling cloud backup (for premium users)
- Contacting us to request data deletion from our servers
Data Retention
We retain user-provided data as long as you use the app, and for a reasonable period afterward. Specific retention periods:
- Height tracking data: Stored locally on your device until you delete it
- Game scores and progress: Stored locally until you modify or delete them
- Exercise and challenge data: Stored locally until cleared by user
- Cloud backup data: Retained while you have an active premium subscription
- Usage analytics: Anonymized data retained for up to 2 years for service improvement
- Account information: Retained for subscription management and support purposes
- Crash logs: Retained for up to 90 days for debugging purposes
- Camera/sensor data: Not stored at all - processed in real-time only
To request deletion of any data stored on our servers, contact us at support@gentall.app.
Children's Privacy
Age Restriction: This app is intended for users aged 13 and above. We do not knowingly collect personal data from users under 13 without parental consent. If we discover such data, we will delete it immediately. If you believe your child has provided personal information, contact us right away.
Health Data Privacy
What We Don't Collect
- We do not access medical records or health databases
- We do not collect biometric data beyond user-entered height measurements
- We do not store photos or videos from camera features
- We do not share height data or game performance with third parties for marketing
- We do not collect real-time video or image data from games
What You Control
- You manually enter all height measurements
- You control what personal data is tracked and stored
- You can edit or delete any height data, game scores, or achievements at any time
- You decide which games and challenges to participate in
- You control camera and sensor permissions
- You can pause or stop game activity tracking anytime
International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. We ensure appropriate safeguards are in place to protect your personal information in accordance with this Privacy Policy.
Your Rights
Depending on your location, you may have certain rights regarding your personal information:
- Access: Request information about personal data we process
- Correction: Request correction of inaccurate personal data
- Deletion: Request deletion of your personal data
- Portability: Request export of your height tracking and game data
- Objection: Object to certain processing activities
- Revoke Camera Access: Disable camera and sensor permissions at any time
- Manage Game Data: Delete or export your game progress and statistics
To exercise these rights, contact us at support@gentall.app.
Notification Transparency
Notification Notice: GenTall sends notifications for measurement reminders, game challenges, daily tasks, achievement unlocks, and progress updates. All notifications are generated based on your preferences and activity data. You can customize or disable notifications through app settings or device settings.
Analytics and Performance
GenTall may use analytics technologies to enhance user experience:
- App performance monitoring to ensure optimal functionality
- Usage pattern analysis to improve features and user interface
- Crash reporting to identify and fix technical issues
- Feature usage analytics to prioritize development efforts
- Game performance metrics to balance difficulty and engagement
- Game completion rates to improve game design
- Exercise and challenge engagement tracking
You can manage analytics preferences through your device settings.
Changes to This Policy
We may update this policy from time to time. Any changes will be posted on this page and, if significant, we will notify you through the app or via email. Continued use of the Application indicates your acceptance of the updated policy.
Data Breach Notification
In the unlikely event of a data breach that affects your personal information, we will notify you and relevant authorities as required by applicable law, typically within 72 hours of becoming aware of the breach.
Third-Party Links
Our app may contain links to third-party websites or services (such as exercise tutorials or health resources). We are not responsible for the privacy practices of these external sites. We encourage you to read their privacy policies before providing any personal information.
Subscription and Payment Data
Payment and subscription information for GenTall Premium is handled entirely by your device's app store (Apple App Store or Google Play Store). GenTall does not have access to your payment information or credit card details.
Game Data Transparency
Important: All game activity (Massive Jump, Cobra Stretch, Posture Master, Growth Sprint) is tracked to provide you with progress statistics and personalized recommendations. This data is stored locally on your device by default and can be backed up to the cloud if you enable this feature as a premium user. Game data is never sold or shared with third parties for marketing purposes.
Your Consent
By using GenTall, you consent to the collection and use of information as outlined in this Privacy Policy. If you do not agree with any part of this policy, please do not use our application.
GenTall - Teens Height Predictor
Your privacy matters to us. This policy ensures transparent data practices.
Track your height growth journey through fun games while keeping your data secure.