Cookie & Data Notice

1. What cookies we use

Commute Modeller uses authentication cookies only. These are set by Supabase (our auth provider) when you sign in and are prefixed with sb-. They are strictly necessary — without them the app cannot verify your identity or maintain your session.

No other cookies are set. There are no analytics cookies, no advertising cookies, and no third-party tracking scripts loaded by the app.

2. What we don't use

• Google Analytics or similar analytics platforms
• Advertising or retargeting cookies
• Social media tracking pixels
• Any third-party tracking scripts

3. Cookie duration

Supabase session cookies are valid for up to 7 days from when you last signed in or refreshed your session. They are renewed automatically while you are actively using the app.

4. Local storage

The app saves a small amount of data to your browser's local storage — specifically, your last-used view preference (Detailed or Bulk). This data never leaves your device and is not transmitted to our servers.

5. Your control

Signing out of Commute Modeller clears your authentication cookies. You can also clear all cookies and local storage for this site at any time using your browser's developer tools or privacy settings. Clearing cookies will sign you out.