Privacy Policy

Last updated: November 20, 2025 | Version: 1.0

1. Introduction

TradeSignal AI ("we," "our," or "us") operates the TradeSignal AI mobile application (the "App"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App.

2. Information We Collect

2.1 Information You Provide

Account Information:

• Email address (for account creation and authentication)
• Display name (optional)
• Password (encrypted and never stored in plain text)

Subscription Information:

• PRO subscription status (FREE or PRO tier)
• Unlock code usage (for PRO feature activation)

2.2 Automatically Collected Information

Usage Data:

• Stock tickers scanned (e.g., AAPL, NVDA)
• Signal requests (timestamp, model used: v2.7 or v3.6.1)
• App feature usage (screens visited, buttons clicked)

Device Information:

• Device type (Android version, model)
• App version
• Unique device identifier (anonymous)
• IP address (for API requests)

2.3 Information We Do NOT Collect

We do NOT collect:

• Your real name or personal identity
• Phone number
• Physical address
• Financial information (credit cards, bank accounts)
• Trading account credentials
• Brokerage information
• Your actual trading positions or portfolio data
• Location data (GPS coordinates)
• Contacts or photos
• Third-party tracking cookies

3. How We Use Your Information

3.1 Core Functionality

• User authentication: Verify your identity when logging in
• Signal generation: Provide stock trading signals based on your requests
• Feature access: Enable FREE or PRO tier features based on subscription
• Rate limiting: Enforce 3 scans/day limit for FREE users

3.2 Service Improvement

• Analytics: Understand which features are most used
• Error debugging: Fix crashes and improve stability
• Performance optimization: Speed up app load times

We do NOT use your data for:

• Selling to third parties
• Advertising or marketing campaigns
• Profiling or behavioral tracking
• Spam or unsolicited emails

4. Data Storage and Security

4.1 Where Your Data is Stored

Backend Server:

• Hosting: Render.com (Frankfurt, Germany - EU region)
• Database: In-memory storage (data not persisted long-term)
• Encryption: HTTPS/TLS for all API requests

4.2 Security Measures

We implement industry-standard security practices:

• Password hashing: SHA-256 encryption (never stored in plain text)
• HTTPS: All data transmission encrypted with TLS 1.3
• JWT tokens: Short-lived tokens (7-day expiration)
• API rate limiting: Prevents brute-force attacks
• No third-party access: We never share your data with advertisers

4.3 Data Retention

• User accounts: Retained as long as account is active
• Usage logs: Retained for 90 days (for debugging)
• Deleted accounts: All data permanently deleted within 30 days

5. Third-Party Services

The App uses the following third-party services:

• Render.com - Backend API hosting (Privacy Policy)
• Yahoo Finance - Real-time stock prices (Privacy Policy)
• Expo - App development platform (Privacy Policy)

We do NOT use Google Analytics, Firebase, Facebook SDK, or third-party advertising networks.

6. Your Data Rights (GDPR Compliance)

If you are in the European Union (EU) or European Economic Area (EEA), you have the following rights:

• Right to Access: Request a copy of all data we have about you
• Right to Rectification: Correct inaccurate or incomplete data
• Right to Erasure: Request deletion of your account and all associated data
• Right to Data Portability: Receive your data in a structured format (JSON)
• Right to Withdraw Consent: Opt-out of optional data collection

To exercise these rights, contact us at: support@marketsai.se

7. Children's Privacy

The App is NOT intended for users under 18 years of age.

We do not knowingly collect data from children under 18. If you are a parent or guardian and believe your child has provided us with personal information, please contact us at support@marketsai.se and we will delete it immediately.

8. California Privacy Rights (CCPA)

If you are a California resident, you have additional rights:

• Right to Know: Request details about what personal information we collect
• Right to Delete: Request deletion of your personal information
• Right to Opt-Out: Opt-out of the "sale" of personal information (Note: We do NOT sell your data)
• Non-Discrimination: You will not be discriminated against for exercising your privacy rights

9. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date.

Continued use of the App after changes constitutes acceptance of the updated policy.

10. Financial Disclaimer

11. Delete Account and Data

If you want to delete your TradeSignal AI account and all associated data, please contact us at yaserbatak21@gmail.com. Include the email address you used to sign in to the app. We will delete your data within 30 days.

12. Contact Us

If you have questions about this Privacy Policy:

• Email: support@marketsai.se
• App: TradeSignal AI
• Developer: Hector21-tech
• Response time: Within 7 business days