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Privacy Policy

Last updated: December 2025

BowGen (hereinafter "we" or "us") respects user privacy and is committed to protecting personal information. This Privacy Policy explains the information we collect, how we use it, and your rights.

1. Information We Collect

We may collect the following information:

  • Account information: Email address, display name, profile picture (when linked with Google/X)
  • Authentication information: Information linked with Google and X (Twitter) accounts
  • Usage information: Service usage patterns, access logs
  • Question data: Questions submitted to question boxes and AI transformation results
  • Payment information: Payment information through Stripe (we do not store card information)

2. Purpose of Use

We use collected information for the following purposes:

  • Providing and operating the Service
  • Responding to user support
  • Improving the Service and developing new features
  • Analyzing usage patterns
  • Sending important notifications

3. AI Processing

The Service uses external AI services (such as OpenAI) to process question content. Data sent includes question content and user-configured profile information, but no personally identifiable information (such as email addresses) is transmitted.

Data sent to AI services is not used for AI model training (based on OpenAI API data usage policy).

4. Third-Party Disclosure

We do not provide personal information to third parties except in the following cases:

  • When user consent is obtained
  • When required by law
  • Disclosure to service providers necessary for service delivery (Supabase, Stripe, OpenAI, etc.)

5. Data Storage

User data is stored on Supabase servers (Tokyo region). We implement appropriate security measures to prevent unauthorized access, loss, destruction, alteration, and leakage.

6. User Rights

Users have the following rights:

  • Access to their personal information
  • Request for correction or deletion of personal information
  • Account deletion
  • Data export (planned)

7. Use of Cookies

The Service uses cookies to maintain authentication status and improve the service. You can disable cookies in your browser settings, but some features may not function properly.

8. Changes to Privacy Policy

We may change this Privacy Policy as necessary. Important changes will be announced on the Service.

9. Contact Us

For inquiries regarding this Privacy Policy, please contact us at:

Contact Form: https://bowgen.net/q/bowgen/main