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Privacy Policy

Last updated: April 30, 2026

1. Introduction

SimpleStock (“we”, “our”, or “us”) is an AI-powered stock analysis platform that helps investors track market opportunities and technical signals. This Privacy Policy explains how we collect, use, and protect your personal information when you use our website (simplestock.ai) and mobile application.

2. Information We Collect

Account Information

When you sign in with Google or Apple, we receive your name, email address, and profile photo from the respective identity provider. We do not receive or store your Google or Apple password.

Usage Data

We collect information about how you use SimpleStock, including which stocks you view, your watchlist preferences, and app interaction patterns. This helps us improve the product experience.

Device Information

For push notification delivery, we collect your device token (APNs token for iOS). This is stored securely and only used to send you market alerts. It is deleted when you sign out.

Language Preference

We store your preferred language (English or Traditional Chinese) to personalise your experience and the language of push notifications you receive.

3. How We Use Your Information

  • To authenticate your account and maintain your session
  • To personalise your watchlist and stock analysis experience
  • To send you daily market summary push notifications (if enabled)
  • To improve app performance and resolve technical issues
  • To comply with legal obligations

We do not sell your personal data to any third party.

4. Data Storage and Security

Your data is stored in MongoDB Atlas (hosted on Google Cloud Platform, Singapore region). Authentication tokens are stored locally on your device using iOS Secure Enclave (Keychain). All data transmission is encrypted using HTTPS/TLS.

We implement industry-standard security measures to protect your information from unauthorised access, alteration, or disclosure.

5. Third-Party Services

SimpleStock integrates with the following third-party services:

  • Google Sign-In — for authentication. Subject to Google's Privacy Policy.
  • Apple Sign-In — for authentication. Subject to Apple's Privacy Policy.
  • Yahoo Finance — for stock price and financial data (no personal data shared).
  • Google Gemini — for AI-powered market analysis (no personal data shared).
  • Apple APNs — for push notification delivery.
  • Google Analytics (GTM) — for anonymous usage analytics.

6. Push Notifications

SimpleStock sends daily market summary notifications to registered users. You can disable notifications at any time through your device's Settings app. When you sign out, your device token is cleared and you will no longer receive notifications from that device.

7. Data Retention

We retain your account data for as long as your account is active. You may request deletion of your account and associated data by contacting us at the email below. Device tokens are cleared upon sign-out. Anonymous analytics data may be retained for up to 26 months.

8. 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
  • Opt out of push notifications at any time

To exercise these rights, contact us at support@simplestock.ai

9. Children's Privacy

SimpleStock is not intended for users under the age of 18. We do not knowingly collect personal information from minors. If you believe a minor has provided us with personal information, please contact us immediately.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by updating the “Last updated” date at the top of this page. Continued use of SimpleStock after changes constitutes acceptance of the updated policy.

11. Contact Us

If you have any questions about this Privacy Policy, please contact us at:

SimpleStock

Email: support@simplestock.ai

Website: simplestock.ai