Privacy Policy

Last updated: December 23, 2025

1. Introduction

Welcome to Hiye ("we," "our," or "us"). We are committed to protecting your privacy and ensuring you have a positive experience when using our AI chat and roleplay application. This Privacy Policy explains how we collect, use, disclose, and safeguard your information.

2. Information We Collect

2.1 Account Information

When you create an account, we collect:

  • Email address (if signing in with email)
  • Apple ID identifier (if signing in with Apple)
  • Display name (optional)
  • Profile avatar (optional)

2.2 Usage Data

We automatically collect certain information when you use the app:

  • Chat messages and conversation history
  • Characters you create or interact with
  • Gems (virtual currency) balance and transaction history
  • App usage patterns and preferences

2.3 Device Information

We may collect device-related information including:

  • Device type and model
  • Operating system version
  • App version
  • Unique device identifiers

3. How We Use Your Information

We use the collected information for:

  • Providing and maintaining the app's functionality
  • Processing your transactions and managing your Gems balance
  • Generating AI responses to your messages
  • Improving and personalizing your experience
  • Communicating with you about updates or support
  • Ensuring the security and integrity of our services
  • Complying with legal obligations

4. AI and Data Processing

When you send messages in the app, your messages are processed by third-party AI providers (such as OpenAI, Google, Anthropic, and xAI) to generate responses. These providers may temporarily process your messages according to their own privacy policies.

We do not use your personal conversations to train AI models. Your chat history is stored securely to provide conversation continuity.

5. Data Sharing and Disclosure

We do not sell your personal information. We may share your information with:

  • AI Service Providers: To process your chat messages and generate responses
  • Cloud Infrastructure: To store and process data securely (Supabase, Cloudflare)
  • Payment Processors: To process in-app purchases (Apple)
  • Legal Requirements: When required by law or to protect our rights

6. Data Security

We implement appropriate technical and organizational measures to protect your data, including:

  • Encryption of data in transit (HTTPS/TLS)
  • Encryption of data at rest
  • Secure authentication mechanisms
  • Regular security assessments
  • Access controls and monitoring

7. Data Retention

We retain your data for as long as your account is active or as needed to provide you services. You can request deletion of your account and associated data at any time by contacting us.

8. Your Rights

Depending on your location, you may have the following rights:

  • Access your personal data
  • Correct inaccurate data
  • Delete your data
  • Export your data
  • Object to processing
  • Withdraw consent

To exercise these rights, please contact us at privacy@hiye.chat.

9. Children's Privacy

Hiye is not intended for children under the age of 13 (or equivalent minimum age in your jurisdiction). We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us immediately.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.

11. Contact Us

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

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