Privacy Policy

This Privacy Policy describes how the Poppen:MindCards application ("we", "our", "the app") collects, uses, and protects your data when using our flashcard and spaced-repetition learning application.

What Data We Collect

We strive to collect the minimum amount of data necessary to provide our service:

• Learning Data: Your decks, flashcards, study progress, review history, and learning statistics are stored locally on your device and may be synced to your account.
• Account Data: If you create an account, we store your username and email address for authentication and account recovery purposes.
• Technical Data: Device model, operating system version, unique device identifier, and application version for bug tracking and performance improvement.
• Diagnostic Data: Information about crashes and application performance to fix bugs and improve stability.
• Settings and Preferences: Your notification preferences, daily goals, session sizes, and other customization settings stored locally and on our servers.

How We Use Data

Your information is used solely for the following purposes:

• Providing flashcard learning functionality and spaced repetition algorithms.
• Syncing your learning progress across devices.
• Sending study reminders and achievement notifications (if enabled).
• Personalizing your learning experience based on your study patterns.
• Improving the application and developing new learning features.
• Processing your support requests and technical issues.
• Ensuring security and preventing abuse of the service.

Legal Bases

We process your data based on your consent, the necessity to fulfill the user agreement, and to comply with our legitimate interests in ensuring security and product development.

Data Sharing

We do not sell your data to third parties. Data sharing is only possible in the following cases:

• Using trusted cloud service providers for data storage and synchronization.
• Using notification services for daily study reminders.
• Legal requirements by applicable law enforcement or regulatory authorities.
• Protecting our rights, user safety, and preventing fraudulent activities.

Data Retention

We store your data only as long as necessary for the purposes described in this Policy, or until you request data deletion. Your learning data can be exported at any time through the app's settings.

Security

We apply modern technical and organizational measures to protect your data from unauthorized access, modification, or deletion. All data transmission is encrypted using industry-standard protocols.

Your Rights

You have the right to:

• Access your personal data and learning statistics.
• Export your flashcard decks and study data.
• Correct or update your account information.
• Delete your account and all associated data.
• Withdraw consent to data processing through the app settings.

Children

Our application is not intended for children under 13 years of age (or another age established by the laws of your country). If we become aware that we have accidentally collected data from a child, we will delete it immediately.

Local Storage

The app stores your flashcards and learning progress locally on your device. This data can be cleared by uninstalling the app or using the data management features in settings.

Changes

We may update this Policy from time to time. We will notify you of changes through the application or by updating the date at the bottom of this page. Continued use of the app after changes constitutes acceptance of the updated policy.

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