Privacy Policy

Last Updated: November 14, 2025

1. Introduction

Gigachat ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our iOS application ("the App").

By using Gigachat, you agree to the collection and use of information in accordance with this Privacy Policy.

2. Information We Collect

2.1 Information You Provide

  • Account Information: When you create an account, we collect authentication data through Firebase Authentication (email address, authentication tokens)
  • Chat Messages: Your conversations with AI models, including prompts and responses
  • User Preferences: App settings, selected AI models, theme preferences, language settings

2.2 Automatically Collected Information

  • Device Information: Device type, operating system version, unique device identifiers
  • Usage Data: App interactions, feature usage, session duration, crash reports
  • Performance Data: App performance metrics, error logs, response times

2.3 Information We Do NOT Collect

  • We do not collect precise location data
  • We do not access your contacts, photos, or camera without explicit permission
  • We do not store API keys or passwords on our servers

3. How We Use Your Information

We use collected information for the following purposes:

  • Provide Services: Process your requests and facilitate conversations with AI models
  • Maintain Functionality: Store chat history, sync across devices, maintain user preferences
  • Improve the App: Analyze usage patterns, fix bugs, develop new features
  • Customer Support: Respond to inquiries, resolve technical issues
  • Subscription Management: Process payments, manage subscriptions (handled by Apple)
  • Security: Detect and prevent fraud, abuse, and security incidents
  • Legal Compliance: Comply with legal obligations and enforce our terms

4. Third-Party AI Service Providers

To provide AI chat functionality, we share your messages with the following third-party AI service providers:

4.1 OpenAI (ChatGPT)

  • Data Shared: Your chat messages and prompts
  • Purpose: Generate AI responses using ChatGPT models
  • Privacy Policy: openai.com/privacy

4.2 Anthropic (Claude)

  • Data Shared: Your chat messages and prompts
  • Purpose: Generate AI responses using Claude models
  • Privacy Policy: anthropic.com/privacy

4.3 Google (Gemini)

  • Data Shared: Your chat messages and prompts
  • Purpose: Generate AI responses using Gemini models
  • Privacy Policy: policies.google.com/privacy

4.4 Meta (Llama) and Mistral AI

  • Data Shared: Your chat messages and prompts
  • Purpose: Generate AI responses using open-source models
  • Note: These models may be hosted on various platforms; data handling depends on the hosting provider

Important: Each AI provider has its own privacy policy and data handling practices. We recommend reviewing their policies to understand how they process your data.

5. Firebase Services

We use Google Firebase for backend infrastructure:

  • Firebase Authentication: User authentication and account management
  • Firebase Cloud Functions: Process API requests and proxy AI service calls
  • Firebase Firestore/Realtime Database: Store chat history and user preferences
  • Firebase Analytics: Collect anonymous usage statistics
  • Firebase Crashlytics: Monitor app stability and crashes

Firebase Privacy: firebase.google.com/support/privacy

6. Data Storage and Retention

6.1 Local Storage

  • Chat history is stored locally on your device using Realm database
  • User preferences and settings are stored locally
  • You can clear local data anytime through the App settings

6.2 Cloud Storage

  • Authentication data is stored in Firebase Authentication
  • Optional cloud sync uses Firebase services (if enabled)
  • Chat history may be synced to Firebase if cloud sync is enabled

6.3 Retention Period

  • We retain your data while your account is active
  • After account deletion, data is removed within 90 days
  • Some data may be retained longer for legal or security purposes
  • Anonymous analytics data may be retained indefinitely

7. Data Security

We implement industry-standard security measures to protect your data:

  • Encryption: Data in transit is encrypted using TLS/SSL
  • Firebase Security: Data stored in Firebase is protected by Google's security infrastructure
  • Local Encryption: Sensitive data on your device is protected by iOS security features
  • Access Control: Strict access controls limit who can access your data
  • Regular Audits: We regularly review and update our security practices

Important: No method of transmission or storage is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

8. Your Privacy Rights

8.1 Access and Control

You have the right to:

  • Access Your Data: Request a copy of your personal data
  • Correct Data: Update or correct inaccurate information
  • Delete Data: Request deletion of your personal data
  • Export Data: Receive your data in a portable format
  • Opt-Out: Disable analytics or cloud sync in app settings

8.2 How to Exercise Your Rights

To exercise these rights, contact us at gigachatapplication@gmail.com

You can also:

  • Delete local chat history through the App settings
  • Delete your account through the App settings
  • Disable cloud sync in App settings

9. Children's Privacy

Gigachat is not intended for users under the age of 13 (or the applicable age of consent in your jurisdiction). We do not knowingly collect personal information from children. If we discover that we have collected data from a child, we will delete it immediately.

If you believe a child has provided us with personal information, please contact us at gigachatapplication@gmail.com.

10. International Data Transfers

Your information may be transferred to and processed in countries other than your own. These countries may have different data protection laws. By using the App, you consent to the transfer of your information to:

  • United States (Firebase, OpenAI, Anthropic)
  • Other countries where our AI service providers operate

We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy.

11. California Privacy Rights (CCPA)

If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA):

  • Right to know what personal information is collected
  • Right to know if personal information is sold or disclosed
  • Right to say no to the sale of personal information (we do not sell your data)
  • Right to access your personal information
  • Right to delete your personal information
  • Right to equal service and price (no discrimination for exercising rights)

12. European Privacy Rights (GDPR)

If you are in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR):

  • Right to access your personal data
  • Right to rectification of inaccurate data
  • Right to erasure ("right to be forgotten")
  • Right to restrict processing
  • Right to data portability
  • Right to object to processing
  • Right to withdraw consent
  • Right to lodge a complaint with a supervisory authority

13. Cookies and Tracking

The App does not use cookies. However, our website (if you visit it through a browser) may use cookies for:

  • Essential functionality
  • Analytics (Google Analytics)
  • Performance monitoring

You can control cookies through your browser settings.

14. Third-Party Links

The App may contain links to third-party websites or services. We are not responsible for the privacy practices of these third parties. We encourage you to review their privacy policies.

15. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by:

  • Posting a notice in the App
  • Sending an email notification
  • Updating the "Last Updated" date

Continued use of the App after changes constitutes acceptance of the updated Privacy Policy.

16. Data Breach Notification

In the event of a data breach that affects your personal information, we will notify you and relevant authorities as required by law, typically within 72 hours of discovering the breach.

17. Do Not Track

The App does not respond to "Do Not Track" signals. However, you can disable analytics in the App settings to limit data collection.

18. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us:

We will respond to your request within 30 days.

19. Consent

By using Gigachat, you consent to:

  • The collection and use of information as described in this Privacy Policy
  • The sharing of your messages with third-party AI service providers
  • The use of Firebase services for backend infrastructure
  • The processing of your data as necessary to provide the service