Chartly Privacy Policy

Effective Date: May 16, 2026 (Updated: May 19, 2026)

"ASHGRAY" ("Company", "we", "us", or "our") operates the mobile application 'Chartly' ("Service"). We value your privacy and are committed to protecting your personal information in compliance with applicable data protection laws. This Privacy Policy explains how we collect, use, disclose, and safeguard your information.

  1. Information We Collect 1.1. Information Provided via Google Sign-In To use our Service, you must authenticate using your Google Account. We collect: • Google account unique identifier (ID), email address, profile name, and profile photo URL. • Authentication tokens and session data required to maintain your login status. 1.2. Automatically Collected Information During your use of the Service, our servers may automatically log: • Device details (OS version, device model, app version), access timestamps, usage logs (viewed ticker symbols, favorites list), and technical error logs. 1.3. Premium Subscription Data • We verify your paid subscription status processed via the Google Play Store. We DO NOT collect, process, or store your credit card numbers or financial billing information.
  2. Purposes of Using Information We use the collected information solely for the following purposes: • To identify users, handle authentication, and manage accounts. • To provide Premium features and synchronize your favorites list across multiple devices. • To verify subscription records and provide customer support. • To maintain service stability, enhance security, and prevent fraudulent activities. • To perform anonymous statistical analysis to improve the Service.
  3. Data Retention and Deletion • We retain your personal information as long as your account remains active. Upon your request for account deletion or withdrawal of consent, we will destroy your personal data without delay. • Notwithstanding the foregoing, certain transaction or customer dispute data may be retained for a mandatory period if required by applicable local laws (e.g., up to 5 years for purchase history under South Korean e-commerce laws).
  4. Third-Party Processors & International Data Transfers To ensure high-performance global infrastructure, we utilize trusted third-party cloud and API providers. Your data may be transferred to and stored on servers located outside of your country of residence: • Supabase Inc. (USA): For secure authentication and database hosting. • Google LLC (USA): For Google Sign-In integration and Google Play billing status verification. • Caching & Data Providers (e.g., Upstash, EODHD): For system performance optimization and public market data queries (No personally identifiable information is transmitted).
  5. Your Rights and Choices You have the right to access, correct, or request the deletion of your personal information at any time. • You can request account deletion by emailing us at chartlysupport@gmail.com. • You can revoke the Service's access to your Google Account at any time through your Google Account Settings (Security ➔ Third-party apps with account access).
  6. Data Security We implement reasonable technical and organizational safeguards—such as HTTPS encryption, token protection, and access control policies—to secure your personal data against unauthorized access, loss, or alteration.
  7. Contact Us If you have any questions, complaints, or feedback regarding this Privacy Policy, please contact us at: • Service Name: Chartly • Operator: ASHGRAY • Email: chartlysupport@gmail.com