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Privacy Policy

Last updated: June 2026

Who we are

CoI Planner is a free, open-source production planning tool for the game Captain of Industry. The service is operated by an individual developer. If you have any questions, contact us at support@coi-planner.com.

What data we collect

Account data

If you choose to sign in, we store your email address in our database. It is used solely to identify your account and send one-time login codes. We do not store passwords.

User content

Production complexes you create, their names, tags, and graph data are stored in our database so you can retrieve them later. Public complexes are visible to other users; private complexes are visible only to you.

IP address

Your IP address is temporarily used for rate-limiting (preventing abuse). It is not stored in our database and is not linked to your account.

Session cookie

We use a single, strictly necessary HTTP session cookie to keep you logged in. This cookie contains only an opaque session ID — no personal data. It expires when you close your browser or log out.

What we do NOT collect

Data storage and security

All data is stored on servers located in the European Union. By using this service you acknowledge that your data is processed on EU infrastructure.

Your rights

You have the right to:

For any other questions, contact us at support@coi-planner.com.

Cookies

This site uses one strictly necessary cookie:

NamePurposeDuration
session Keeps you logged in between page loads Session (cleared on logout / browser close)

No analytics, advertising, or third-party cookies are used. A localStorage key (coi_cookie_ok) is set when you dismiss the cookie banner; it does not leave your device.

Changes to this policy

If we make material changes to this policy, we will update the date at the top of this page. Continued use of the service after changes constitutes acceptance.