Last Updated: June 2026

TeoEnglish ("we", "our", or "us") operates the TeoEnglish mobile application (the "Application"). We are committed to protecting your privacy and ensuring a secure user experience. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Application. By downloading, accessing, or using TeoEnglish, you agree to the collection and use of information in accordance with this Privacy Policy.

1. Information We Collect

We only collect information that is necessary to provide, improve, and secure the Application's educational features.

• Account Information: If you create an account, we may collect your name, email address, and authentication identifiers (such as when you log in via "Sign in with Apple" or Google).
• Usage and Progress Data: To track your learning progress, we collect data regarding completed lessons, test scores, vocabulary retention, study streaks, and time spent in the Application.
• Device and Technical Data: We automatically collect standard technical information, including your device type, operating system version, unique device identifiers, IP address, and crash logs.
• Purchase Data: All financial transactions and premium subscriptions are processed securely and exclusively by Apple. We do not collect, view, or store your credit card or billing information. We only receive a confirmation token from Apple indicating that a subscription is active.

2. How We Use Your Information

We use the collected data for the following purposes:

• To provide and maintain the core educational services of TeoEnglish;
• To track and display your personal learning progress and statistics;
• To personalize your learning experience;
• To monitor the technical performance of the Application, fix bugs, and prevent crashes;
• To communicate with you regarding support requests or critical service updates;
• To enforce our Terms of Use and prevent fraudulent activity.

3. Third-Party Services and Data Sharing

We do not sell, rent, or trade your personal data to third parties. We only share information with trusted third-party service providers that help us operate the Application:

• Apple App Store / In-App Purchases: For payment processing, subscription management, and application distribution. Your data is handled according to Apple's Privacy Policy.
• Infrastructure and Analytics Providers: We may use standard industry tools (such as Google Firebase or similar analytics services) to host application data, track aggregated usage statistics, and monitor crash reports. These providers only access data necessary to perform their technical tasks on our behalf.