Privacy Policy for TEE - Expense Tracker App

Last Updated: 2/5/2026

Developer: Bircube

1. Introduction

Welcome to TEE ("we," "our," or "us"). This Privacy policy explains how we collect, use, disclose, and safeguard your information when you use our mobile expense tracking application (the "App"). Please read this privacy policy carefully. If you do not agree with the terms of this privacy policy, please do not access the application.

We reserve the right to make changes to this Privacy Policy at any time. We will notify you about significant changes by updating the "Last Updated" date of this Privacy Policy.

2. Information We Collect

2.1 Personal Information You Provide

When you use our App, we collect the following information that you provide directly:

Account Information: Name, email address

Authentication Information: Google account credentials (when using Google Sign-In)

Financial Data:

- Income transactions (amount, category, date, notes)

- Expense transactions (amount, category, payment method, date, notes)

- Budget categories and balances

User Preferences:

- Currency preference

- Theme preference (light/dark mode)

- Onboarding completion status

2.2 Automatically Collected Information

We automatically collect certain information when you use our App:

Device Information: Device type, operating system version

App Usage Data: Transaction creation timestamps, app interaction patterns

Local Storage: Theme preferences and temporary session data stored locally on your device

2.3 Information We Do NOT Collect

We want to be transparent about what we don't collect:

We do NOT track your location

We do NOT access your contacts

We do NOT collect biometric data

We do NOT track your browsing history outside the app

We do NOT use advertising trackers or analytics that track you across other apps or websites

3. How We Use Your Information

We use the information we collect for the following purposes:

3.1 Primary App Functionality

To create and maintain your user account

To store and manage your income and expense transactions

To calculate and display your financial summaries and budgets

To provide data visualizations (charts and graphs) of your financial activity

To synchronize your data across your devices

3.2 App Improvement and Support

To maintain and improve the App's functionality

To respond to your inquiries and support requests

To detect and prevent technical issues

3.3 Security and Compliance

To verify your identity and prevent unauthorized access

To comply with legal obligations and respond to legal requests

4. Data Storage and Security

4.1 Where Your Data is Stored

Your data is stored using Supabase, a secure cloud database provider. Supabase provides:

Encrypted data transmission (TLS/SSL)

Secure cloud storage infrastructure

Row-level security policies to ensure you can only access your own data

4.2 Security Measures

we implement industry-standard security measures to protect your data:

Authentication Security: Your account is protected by Supabase Authentication with support for Google Sign-In OAuth 2.0

Data Encryption: All data transmitted between your device and our servers is encrypted using HTTPS/TLS

Access Control: Your financial data is associated with your unique user ID, and database policies ensure you can only access your own information

Secure Storage: Passwords are never stored in plain text; authentication is handled securely through Supabase and Google

4.3 Data Retention

We retain your information for as long as your account is active or as needed to provide you services. If you delete your account, we will delete your personal information, though some information may be retained in our backup systems for a limited period as required by law or for legitimate business purposes.

5. How We Share Your Information

We do NOT sell, trade, or rent your personal information to third parties.

We only share your information in the following limited circumstances:

5.1 Service Providers

We share your information with the following third-party service providers who help us operate the App:

Supabase (Backend infrastructure and database) - [Supabase Privacy Policy](https://supabase.com/privacy)

Google (Authentication via Google Sign-In) - [Google Privacy Policy](https://policies.google.com/privacy)

These providers are contractually obligated to keep your information confidential and use it only for the purposes we specify.

6. Your Privacy Rights

Depending on your location, you may have the following rights regarding your personal information:

6.1 Access and Portability

You have the right to access your personal information and request a copy of your data stored in our systems. All your financial data is viewable within the App.

6.2 Correction

You have the right to correct inaccurate or incomplete information. You can edit your profile information and transactions directly within the App.

6.3 Deletion

You have the right to request deletion of your account and associated data. You can delete individual transactions within the App. For complete account deletion, please contact us at info@bircube.com.

6.4 Data Portability

You have the right to request a copy of your data in a structured, commonly used format.

6.5 Withdraw Consent

You have the right to withdraw your consent to our processing of your information at any time by deleting your account.

6.6 Opt-Out

If we introduce promotional communications in the future, you will have the right to opt-out of such communications.

To exercise any of these rights, please contact us using the information provided in Section 10.

7. Children's Privacy

Our App is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us, and we will delete such information from our systems.

8. Third-Party Services

8.1 Google Sign-In

When you use Google Sign-In to authenticate, Google may collect and process information in accordance with their Privacy Policy. We only receive your basic profile information (name and email address) necessary to create your account.

8.2 Supabase

We use Supabase for backend infrastructure, database, and authentication services. Supabase processes your data on our behalf and is bound by data processing agreements. For more information, please review [Supabase's Privacy Policy](https://supabase.com/privacy).

9. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that are different from the laws of your country. By using our App, you consent to the transfer of your information to countries outside of your country of residence, including the United States.

10. Contact Us

If you have questions or concerns about this Privacy Policy or our data practices, please contact us:

Email: info@bircube.com

Website: [bircube.com](https://bircube.com)

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. When we make changes, we will update the "Last Updated" date at the top of this Privacy Policy.

If we make material changes to how we treat your personal information, we will notify you through the App or by email. We encourage you to review this Privacy Policy periodically for the latest information on our privacy practices.

12. Your Acceptance of These Terms

By using the App, you signify your acceptance of this Privacy Policy. If you do not agree to this policy, please do not use our App. Your continued use of the App following the posting of changes to this policy will be deemed your acceptance of those changes.

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Thank you for trusting TEE - Expense Tracker App with your financial data. We are committed to protecting your privacy and providing you with a secure expense tracking experience.

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