Memol

Privacy Policy

Last updated: February 22, 2026

1. Introduction

LINKAKU Inc. ("Company") considers it important to properly handle personal information of users when providing the knowledge sharing service "Memol" ("Service"). This Privacy Policy explains how we collect, use, and protect personal information.

2. Information We Collect

We collect the following information:

  • Account information: Name, email address, password (stored in hashed form)
  • Profile information: Avatar, display name
  • Usage data: Notes, tasks, folders, and other content data created by the User
  • Technical information: IP address, browser type, access timestamps, operation logs
  • Payment information: For paid plans, information required for payment processing (payment is processed by Stripe; we do not store credit card information directly)

3. Purpose of Use

Collected information is used for the following purposes:

  • Providing, operating, and improving the Service
  • User support
  • Billing
  • Sending important service notifications
  • Fraud prevention
  • Usage analysis and statistics (in anonymized form)

4. Third-Party Disclosure

We do not share personal information with third parties except in the following cases:

  • With user consent
  • As required by law
  • To service providers under appropriate management for Service operations

5. External Services

The Service uses the following external services:

  • Supabase: Authentication, database, file storage
  • Stripe: Payment processing
  • Vercel: Hosting

Please refer to each provider's privacy policy for details on how they handle your information.

6. Data Storage and Protection

Data is transmitted via SSL/TLS encryption and stored on secure servers. We implement appropriate technical and organizational security measures to prevent leakage, loss, or alteration of personal information.

7. Data Retention

Data is retained while the account is active. Upon account deletion, all related data is completely deleted within 30 days. Data required to be retained by law will be kept for the necessary period.

8. User Rights

Users have the following rights:

  • Access and review personal information
  • Correct and update personal information
  • Delete account (available from settings)
  • Export data (for paid plans)

9. Cookies

We use cookies for maintaining authentication status and improving the user experience. Cookies can be disabled in browser settings, but some features may become unavailable.

10. Policy Changes

We may update this policy as needed. Significant changes will be notified via the Service or email.

11. Contact

For questions or inquiries about this policy, please contact us at:

LINKAKU Inc.
1-15-9-403 Ebisu, Shibuya-ku, Tokyo 150-0013, Japan
Email: support@memol.app