Privacy Policy

Last Updated: December 2024

1. Introduction

Charz ("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 mobile application Charz (the "App").

2. Information We Collect

2.1 Information You Provide

We collect information that you provide directly to us, including:

• Account Information: When you create an account, we collect a unique user ID, username, and optionally your nickname, avatar, and bio.
• User-Generated Content: Text prompts you input to generate images, and the images you create using the App.
• Preferences: Your preferences for image styles, favorite images, and other settings.

2.2 Automatically Collected Information

When you use the App, we may automatically collect certain information, including:

• Usage Data: Information about how you interact with the App, such as features you use, images you view, and actions you take.
• Device Information: Device type, operating system, and unique device identifiers.
• Local Storage: Data stored locally on your device, including your account information, preferences, and generated content.

3. How We Use Your Information

We use the information we collect to:

• Provide, maintain, and improve the App's functionality
• Process your image generation requests using AI technology
• Personalize your experience and provide content recommendations
• Communicate with you about the App and respond to your inquiries
• Monitor and analyze usage patterns and trends
• Detect, prevent, and address technical issues

4. Data Storage and Security

Your data is primarily stored locally on your device. We use industry-standard security measures to protect your information:

• Local data encryption using secure storage mechanisms
• Secure transmission of data when communicating with our AI image generation service
• Regular security assessments and updates

Important: Most of your data, including account information, preferences, and generated images, is stored locally on your device and is not transmitted to our servers unless necessary for App functionality (such as AI image generation).

5. Third-Party Services

We use third-party services to provide certain features:

• AI Image Generation Service: We use DashScope API (Alibaba Cloud) to generate images based on your prompts. When you request image generation, your prompt text is sent to this service. Please refer to DashScope's privacy policy for information about how they handle your data.
• Analytics: We may use analytics services to understand how users interact with the App. These services may collect anonymized usage data.

6. Data Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:

• Service Providers: With third-party service providers who perform services on our behalf, such as AI image generation services
• Legal Requirements: When required by law or to protect our rights and safety
• Business Transfers: In connection with a merger, acquisition, or sale of assets

7. Your Rights and Choices

You have the following rights regarding your personal information:

• Access: You can access and view your account information and generated content within the App
• Modification: You can update your profile information, including nickname, avatar, and bio, at any time
• Deletion: You can delete your account and all associated data through the App's settings
• Data Export: Your generated images and preferences are stored locally and can be accessed through the App

8. Children's Privacy

The App is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

9. Data Retention

We retain your information for as long as necessary to provide the App's services and fulfill the purposes described in this Privacy Policy. When you delete your account, we will delete or anonymize your personal information, except where we are required to retain it for legal purposes.

10. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that differ from those in your country. By using the App, you consent to the transfer of your information to these countries.

11. Changes to This Privacy 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. You are advised to review this Privacy Policy periodically for any changes.

12. Your Consent

By using the App, you consent to our Privacy Policy and agree to its terms.

13. Contact Us

If you have any questions or concerns about this Privacy Policy or our data practices, please contact us at:

Email: support@charz.com

We will respond to your inquiry within a reasonable timeframe.

14. GDPR and CCPA Compliance

If you are located in the European Economic Area (EEA) or California, you have additional rights under GDPR and CCPA:

• 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

To exercise these rights, please contact us at support@charz.com.