Privacy Policy

Chart AI (Android) | Chart AI (iOS)

Last Updated: January 25, 2026

1. Introduction

This Privacy Policy describes how Chart AI ("we," "our," or "us"), developed and operated by Viksva, MB, a company registered in Vilnius, Lithuania, collects, uses, and protects your personal information when you use our mobile application and services. We are committed to protecting your privacy and handling your data transparently in accordance with applicable data protection laws.

2. Information We Collect

2.1 Information You Provide Directly

• Chart Images: Images of trading charts, stock charts, or financial graphs you submit for AI analysis
• Analysis History: Records of charts you have analyzed and saved
• User Preferences: Preferred chart types, analysis settings, display preferences
• Account Information: If you create an account or purchase premium features
• Support Communications: Messages you send to our support team

2.2 Information We Collect Automatically

• Usage Data: App usage patterns, features used, time spent in app, charts analyzed
• Device Information: Device model, operating system version, app version
• Performance Data: Crash reports, error logs, and performance metrics
• Analytics Data: Anonymous usage statistics to improve our services
• Feature Usage: Number of analyses performed, feature usage patterns

2.3 Information We DO NOT Collect

• Brokerage Credentials: We do NOT collect or store your brokerage account login information
• Financial Account Numbers: We do NOT collect bank account, trading account, or other financial account numbers
• Trading History: We do NOT have access to your actual trading history or portfolio
• Personal Financial Data: We do NOT collect information about your investments, assets, or net worth

2.4 Camera and Storage Permissions

Camera Permission: We request camera access to allow you to take photos of trading charts for AI analysis. When you use the camera feature:

• Photos are captured directly within the app for chart analysis through AI image recognition
• Images are stored locally on your device for access in your analysis history
• Images are transmitted to Google Gemini AI services for processing and pattern analysis
• Images sent to Google are processed temporarily and are NOT stored for long-term storage by Google according to their data retention policies
• We do not store your photos on our own servers
• Because images are processed by Google and not stored by us, we CANNOT delete images that have been sent to Google - their retention is governed by Google's privacy policies
• You can delete images stored locally on your device at any time through the app's history screen

Storage Permission: We request storage access to save chart images and analysis results locally on your device so you can view them from the history screen. These locally stored images can be deleted by you at any time.

3. How We Use Your Information

We use your information for the following purposes:

• Chart Analysis: Processing your chart images through Google Gemini AI services to provide pattern recognition and technical analysis commentary (FOR EDUCATIONAL/ENTERTAINMENT PURPOSES ONLY - NOT TRADING ADVICE)
• Analysis History: Storing analysis records and images locally on your device for reference
• Service Provision: Delivering core app functionality and premium features
• Usage Tracking: Managing daily usage limits for free users
• App Improvement: Analyzing usage patterns to enhance user experience
• Customer Support: Responding to your inquiries and providing assistance
• Legal Compliance: Meeting legal obligations and protecting our rights

4. Third-Party Services

We integrate with the following third-party services. These services have their own privacy policies and terms of service, and we are not responsible for their data practices:

4.1 Google Gemini AI

Chart images are processed using Google Gemini AI services for pattern analysis. Data is sent to Google's AI services for temporary processing. IMPORTANT: AI can and will make mistakes - chart analysis and pattern recognition may contain significant errors or be completely incorrect. Key points about Google Gemini AI processing:

• Image Transmission: When you submit a chart for analysis, the image is transmitted to Google Gemini AI for processing
• Temporary Processing: Images are processed temporarily by Google and are NOT stored for long-term storage according to Google's data retention policies
• No Deletion Control: Because images are processed by Google and not stored on our servers, we CANNOT delete images that have been sent to Google. Image retention and deletion are governed solely by Google's privacy policies
• Google's Responsibility: Processing of your data by Google Gemini AI is governed by Google's Privacy Policy, and we have no control over or responsibility for their data practices
• No Liability: We have ABSOLUTELY NO LIABILITY for how Google handles, processes, stores, or retains your images

4.2 RevenueCat and Subscription Management

We use RevenueCat to manage premium subscriptions and in-app purchases. When you subscribe to premium features:

• Payment Processing: All payments are processed through your device's app store (Apple App Store or Google Play Store)
• Subscription Data: RevenueCat collects and processes subscription status, purchase history, and payment information
• User Identification: RevenueCat may assign unique user IDs to track subscription status across devices
• Data Sharing: We receive anonymized subscription status information from RevenueCat to enable premium features
• Third-Party Processing: RevenueCat processes subscription information according to their privacy policy, and we are not responsible for their data handling practices

Subscription Plan Details:

• Weekly Subscription: Includes a 3-day free trial period. Billing begins automatically after the trial expires unless cancelled
• Yearly Subscription: No trial period. Billing begins immediately upon subscription
• Automatic Renewal: All subscriptions automatically renew unless cancelled through your app store account before the current period expires
• Trial Cancellation: You can cancel during the trial period to avoid charges

4.3 Analytics Services

We may use third-party analytics services to understand app usage and improve our services. These services collect anonymized data according to their own privacy policies, for which we bear no responsibility.

4.4 Third-Party Disclaimer

5. Data Storage and Security

• Local Storage Only: All personal information and chart images are kept on your mobile phone only and are NOT stored on our servers
• Temporary Third-Party Transfer: Chart images are transferred to Google Gemini AI services ONLY for temporary processing and analysis
• Device Storage: Images are saved on your device and transmitted to Google for temporary processing
• No Permanent Cloud Storage by Us: We do not permanently store chart images in the cloud or on our own servers
• Google Processing: Images sent to Google Gemini AI are processed temporarily and are NOT stored for long-term storage by Google according to their data retention policies
• No Deletion Control: Because images are handled by Google and not stored on our servers, we CANNOT delete images that have been sent to Google
• Third-Party Retention: Image retention and deletion by Google are governed by Google's privacy policies, over which we have no control

6. Data Retention

• Chart Images: Chart images are not stored on our servers at any time - they are only stored locally on your device and temporarily processed by Google Gemini AI
• Google AI Processing: Chart images sent to Google Gemini AI for processing are processed temporarily and are NOT stored for long-term storage by Google according to their data retention policies, over which we have no control
• No Deletion Control: We CANNOT delete images that have been sent to Google - their retention and deletion are governed by Google's privacy policies
• Usage Data: Usage statistics and app analytics are retained for app improvement purposes
• Subscription Data: Subscription and payment information is managed by RevenueCat and app store providers (Apple and Google)
• Local Data: All analysis history and images are stored locally on your device and can be deleted through the app at any time

7. Your Rights and Choices

You have the following rights regarding your personal information:

• Access: Request information about data we have collected
• Deletion: Request deletion of your personal information
• Correction: Request correction of inaccurate information
• Data Portability: Request a copy of your data in a portable format
• Opt-out: Opt-out of certain data collection practices

8. Children's Privacy

Our app is not directed to children under 18 years of age. We do not knowingly collect personal information from children under 18. Trading and investing are adult activities requiring mature judgment. If you believe we have collected information from a minor, please contact us immediately.

9. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place to protect your data during such transfers.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new policy in the app and updating the "Last Updated" date above.

11. Contact Information

12. Legal Basis for Processing (GDPR)

If you are in the European Union, our legal basis for processing your personal information includes:

• Consent: For optional features like analytics
• Contract: For providing our services to you
• Legitimate Interest: For improving our app and preventing fraud
• Legal Obligation: For compliance with applicable laws

13. Limitation of Liability

14. Indemnification

15. Governing Law and Jurisdiction

This Privacy Policy and any disputes arising out of or related to it shall be governed by the laws of Lithuania, without regard to conflict of law principles. Any legal action or proceeding shall be brought exclusively in the courts of Lithuania, and you consent to the jurisdiction of such courts.

16. California Privacy Rights (CCPA)

If you are a California resident, you have additional rights under the California Consumer Privacy Act, including the right to know what personal information we collect and how it's used, the right to delete personal information, and the right to opt-out of the sale of personal information. However, these rights are subject to the limitations and disclaimers set forth in this Privacy Policy.

17. Securities and Financial Regulations