Privacy Policy

Created on January 1, 2026 | Last Modified: January 2026

Welcome to Bookkist. We are committed to protecting your personal information and your right to privacy.

1. Data Storage & "Offline-First" Architecture

Bookkist is an "Offline-First" application. This means:

  • Local Storage: The vast majority of your financial data (transactions, budgets, accounts) is stored locally on your own device using your browser's IndexedDB technology.
  • Syncing: Data is automatically synchronized with our servers in the background when your device is online to ensure backup and multi-device access.
  • Encryption: All data transmission occurs over secure SSL/HTTPS channels.

2. Personal Information We Collect

When you register for an account, we collect:

  • Your name
  • Your email address
  • An encrypted password

We do not collect your phone number, physical address, or government ID.

3. Advertising & Cookies (Google AdSense)

We use third-party vendors, including Google, to serve ads when you visit our web application.

  • Cookies: Google uses cookies to serve ads based on your prior visits to our website or other websites.
  • Advertising Cookies: Google's use of advertising cookies enables it and its partners to serve ads to you based on your visit to our site and/or other sites on the Internet.
  • Opt-Out: Users may opt out of personalized advertising by visiting Ads Settings.

4. How We Use Your Information

We use your information strictly to:

  • Provide and manage your account.
  • Sync your data across your own devices.
  • Improving our application features.

We never sell your personal data to third parties.

5. Contact Us

If you have questions or comments about this policy, you may email us at [email protected].