Effective Date: January 18, 2026

Tiern ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how your personal information is collected, used, and disclosed by Tiern.

This Privacy Policy applies to our application named Tiern. By accessing or using our Service, you signify that you have read, understood, and agree to our collection, storage, use, and disclosure of your personal information as described in this Privacy Policy and our Terms of Service.

1. Information We Collect

We collect information to provide better services to all our users. The types of information we collect include:

• Personal Account Information: When you register for an account, we collect your email address, username, and authentication credentials via our third-party provider (Supabase Auth).
• User Content: We collect the content you create and store within the app, specifically your financial transaction records (expenses, incomes), categories, and budget settings.
• Device and Usage Information: We may collect information about your mobile device (e.g., device model, operating system version) and how you use the application to improve performance and user experience.
• Purchase History: If you subscribe to Tiern Premium, we process purchase records through our payment provider (RevenueCat) and the respective app store (Google Play Store or Apple App Store). We do not store your credit card information directly.

2. How We Use Your Information

We use the information we collect for various purposes, including to:

• Provide, operate, and maintain our application.
• Improve, personalize, and expand our application's functionality.
• Process your transactions and manage your Premium subscription.
• Backup and sync your data across devices securely via Supabase.
• Respond to your comments, questions, and provide customer support.

3. Sharing Your Information

We do not sell, trade, or rent your personal identification information to others. We may share generic aggregated demographic information not linked to any personal identification information regarding visitors and users with our business partners and advertisers.

We share data with trusted third-party service providers solely for the purpose of operating the app:

• Supabase: For secure database hosting, authentication, and backend services.
• RevenueCat: For managing in-app subscriptions and purchase validation.

4. Data Security

We use administrative, technical, and physical security measures to help protect your personal information. Your data is stored securely on Supabase servers which utilize industry-standard encryption protocols. While we have taken reasonable steps to secure the personal information you provide to us, please be aware that despite our efforts, no security measures are perfect or impenetrable, and no method of data transmission can be guaranteed against any interception or other type of misuse.

5. Your Rights and Data Deletion

You have the right to access, update, or delete the personal information we hold about you.

Account Deletion: You can request the deletion of your account and all associated data directly within the application settings by navigating to Profile > Delete Account. Upon deletion, your data is permanently removed from our active databases.

6. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page. You are advised to review this Privacy Policy periodically for any changes.

7. Contact Us

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

• By email: support@tiernapp.com