Privacy Policy

Last Updated: January 2026

We collect NO personal information.

Overview

Modern Master Key ("we," "our," or "the app") is committed to protecting your privacy. This Privacy Policy explains how we handle information in our iOS application.

Information We Collect

Modern Master Key does not:

Require account creation or login
Collect names, email addresses, or contact information
Track your location
Access your contacts, photos, or other personal data
Use cookies or tracking technologies
Collect any identifiable information about you

Information Stored Locally

The app stores the following information locally on your device only:

Reading Progress: Which parts you've marked as complete
Bookmarks: Your last reading position in each part
Font Size Preference: Your selected text size
App Settings: Your customization preferences (dark mode, etc.)

This information:

Never leaves your device
Is not transmitted to any servers
Is not shared with any third parties
Is deleted when you delete the app

Third-Party Services

Modern Master Key does not use:

Analytics services
Advertising networks
Social media integrations
Third-party tracking tools
Cloud storage services

Children's Privacy

Our app does not knowingly collect any information from children under the age of 13. The app contains educational content suitable for all ages.

Data Security

Since no personal information is collected or transmitted, there is no personal data at risk. All preferences are stored securely on your device using iOS standard security practices.

Your Rights

Since we collect no personal information, there is no personal data to access, correct, delete, or export. All app data is stored locally on your device and is under your control.

Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated "Last Updated" date.

Contact Us

If you have questions about this Privacy Policy, please contact us:

Email: privacy@modernmasterkey.com

Website: www.modernmasterkey.com

Consent

By using Modern Master Key, you consent to this Privacy Policy.