Purpose of Collection
This information is used exclusively for user identification and essential app functionality.
Privacy Policy
YONDUR organization has developed the 1w Tennis Trainer app as a free service. The app does not collect, store, or share any personal user data.
Personal Data Collection and Retention
To provide a personalized experience within the application, we collect certain personal information, specifically your name and age.
No Third-Party Sharing
We strictly do not sell, rent, or share your personal data with third-party advertisers, data brokers, or external organizations.
Data Security and Encryption
All personal information is transmitted and stored using industry-standard encryption protocols (SSL/TLS).
Retention and Deletion Policy
Your name is automatically permanently deleted from our systems after 90 days of account inactivity.
User Control
You maintain full control over your data and may request manual deletion through the application settings.
Policy Updates
This Privacy Policy may be revised occasionally. Continued use of the app implies acceptance of any modifications.
Privacy contact
itsystem@yondur.click
This Privacy Policy is effective as of May 12, 2026.