Privacy Policy

How we collect, use, and protect your personal and financial information

Introduction

Welcome to Expenser, a personal expense tracking application. We are committed to protecting your privacy and ensuring the security of your financial data. This Privacy Policy explains how we collect, use, and safeguard your information.

By using Expenser, you agree to the collection and use of information in accordance with this policy. If you do not agree with any part of this policy, please do not use our service.

Information We Collect

Account Information:

  • Email address (required for account creation)
  • Display name (optional)
  • Profile picture (optional)

Financial Data:

  • Expense transactions (amount, date, description, category)
  • Income records
  • Budget information
  • Currency preferences
  • Category customizations

Usage Information:

  • App usage patterns
  • Device information (browser type, operating system)
  • IP address (for security purposes only)

How We Use Your Information

We use your information to:

  • Provide and maintain the expense tracking service
  • Authenticate your account and prevent unauthorized access
  • Generate financial insights and analytics for your use
  • Improve our application's functionality and user experience
  • Send important service notifications (security alerts, updates)
  • Provide customer support when requested

We do NOT: Sell your data to third parties, use your financial information for advertising, or share your expense details with external services without your explicit consent.

Data Security

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

  • Encryption: All data is encrypted both in transit (HTTPS/TLS) and at rest using AES-256 encryption
  • Authentication: Secure user authentication with support for OAuth providers (Google, GitHub)
  • Access Control: Strict user isolation - you can only access your own financial data
  • Regular Backups: Automated daily backups with encryption to prevent data loss
  • Security Monitoring: Continuous monitoring for suspicious activities and security threats
  • Infrastructure: Hosted on secure cloud platforms with enterprise-grade security measures
  • Data Minimization: We only collect and store data that is necessary for the application to function
  • Regular Updates: Security patches and updates are applied promptly

While we strive to protect your data, no method of transmission over the internet is 100% secure. Please use strong passwords and keep your credentials confidential.

Third-Party Services

Expenser may integrate with the following third-party services:

  • Google OAuth: For secure authentication (if you choose to sign in with Google)
  • GitHub OAuth: For secure authentication (if you choose to sign in with GitHub)
  • Hosting Providers: For application infrastructure and data storage

These services have their own privacy policies. We recommend reviewing them before using these authentication methods.

Your Rights and Choices

You have the right to:

  • Access: View all personal data we have stored about you
  • Correction: Update or correct any inaccurate information
  • Deletion: Request deletion of your account and all associated data
  • Data Portability: Export your financial data in a standard format (CSV/JSON)
  • Withdrawal of Consent: Opt-out of any optional data processing
  • Account Control: Modify your privacy settings and data preferences
  • Communication Preferences: Control what notifications you receive from us

To exercise any of these rights, please contact us at contact@expenser.site or use the account settings within the application. We will respond to your request within 30 days.

Data Retention

We retain your personal information only as long as necessary to provide our services and comply with legal obligations:

  • Active accounts: Data is retained as long as your account remains active
  • Deleted accounts: Most data is permanently deleted within 30 days
  • Legal requirements: Some data may be retained longer if required by law
  • Security logs: May be retained for up to 1 year for security purposes

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "last modified" date. For significant changes, we may also send you an email notification.

Contact Information

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

This Privacy Policy is effective as of January 17, 2026 and was last updated on January 17, 2026.

We are committed to protecting your privacy and will respond to all inquiries within 48 hours during business days.