Privacy Policy
Last updated: May 2026
Introduction
Welcome to MainQuest. MainQuest ("we", "us", or "our") operates the MainQuest mobile application and website at https://www.mainquest.net.
This Privacy Policy explains how we collect, use, disclose, and safeguard your personal data when you use our mobile application and website (the "Service").
By using our Service, you agree to the collection and use of information in accordance with this Privacy Policy.
Information We Collect
Account Information
When you create an account, we may collect:
- Email address
- Username (auto-generated or chosen by you)
- Profile information you choose to provide
- Authentication data from Google Sign-In (if used)
Usage Data
We automatically collect information about how you use MainQuest:
- Quest and task completion data
- Focus session duration and statistics
- Achievement and progress data
- Device information and app version
Technical Data
When you use our Service, we may collect:
- IP address
- Device type and operating system
- App usage analytics
How We Use Your Data
We use the collected data to:
- Provide and maintain the MainQuest Service
- Sync your progress across devices
- Display your position on the leaderboard (using your username only)
- Improve and optimize the app experience
- Send you important updates about the Service
- Respond to your support requests
Data Storage & Security
Your data is stored securely using industry-standard encryption. We use Elasticsearch for data storage with appropriate security measures in place.
While we strive to protect your personal data, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security but take reasonable measures to protect your information.
Data Sharing
We do not sell your personal data. We may share your data only in the following circumstances:
- Leaderboard: Your username and focus statistics may be visible to other users
- Service Providers: With third-party services that help us operate (e.g., cloud hosting)
- Legal Requirements: If required by law or to protect our rights
Your Rights
You have the right to:
- Access the personal data we hold about you
- Request correction of inaccurate data
- Request deletion of your account and data
- Export your data
- Opt out of marketing communications
To exercise these rights, contact us at support@mainquest.net.
Browser Extension (KODAN: Deep Focus & Site Blocker)
KODAN is our Chrome browser extension that pairs with your MainQuest account. The data practices below describe what the extension specifically collects, transmits, and stores. The rest of this Privacy Policy continues to apply where relevant.
What KODAN Collects
- An authentication token issued by play.mainquest.net when you connect the extension, stored locally in Chrome extension storage
- Focus session metadata you create inside the extension (selected method, duration, completion state, linked quest) β transmitted to
api.mainquest.netto update your character's XP, HP, and streak - Optional bug reports you submit through the in-extension form, including your browser's user-agent string and the path you were on when you submitted
What KODAN Does Not Collect
- KODAN never reads, transmits, or stores the contents of any web page you visit
- KODAN never logs your browsing history; distracting-site blocking is matched locally inside Chrome via the
declarativeNetRequestAPI - KODAN does not execute remote code β all JavaScript is bundled into the extension package at build time
- KODAN does not use any third-party analytics, advertising, or tracking SDKs
Data Transmission
The extension communicates only with https://api.mainquest.net, the same backend used by the MainQuest web and mobile applications. No data is sent to any other domain.
Data Retention and Deletion
Data collected through the extension forms part of your MainQuest account. Deleting your account via the account settings on play.mainquest.net or by emailing privacy@endspec.net removes all extension-collected data along with the rest of your profile within 30 days.
Children's Privacy
MainQuest is not intended for children under 13. We do not knowingly collect personal data from children under 13. If you believe a child has provided us with personal data, please contact us.
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 Privacy Policy on this page and updating the "Last updated" date.
Contact Us
If you have any questions about this Privacy Policy, please contact us at support@mainquest.net.