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Beijing Wenchang Technology Co., Ltd. ("we," "us," or "our") operates the PlantSage mobile application (the "App"). This Privacy Policy explains how we collect, use, disclose, and protect your information when you use the App and related services.

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

1. Information We Collect

1.1 Account Information

When you register for an account or log in, we may collect:

• Name or username
• Email address
• Password or authentication credentials
• Profile information you choose to provide

1.2 User Content

When you use the App, we may collect and store content you upload, including:

• Photos or images
• Text inputs, prompts, or descriptions
• Other content you submit through the App

1.3 Subscription and Purchase Information

If you purchase a subscription or other paid features, payment processing is handled by the applicable app store or payment provider. We may receive limited transaction information such as subscription status, purchase confirmation, transaction identifiers, and billing country or region. We do not store your full payment card number.

1.4 Device and Usage Information

We may automatically collect certain technical and usage data, such as:

• Device type and model
• Operating system version
• App version
• IP address
• Device identifiers
• Crash logs
• App activity and usage events

1.5 Advertising and Analytics Data

We and our third-party analytics and advertising partners may collect information about your interactions with the App, including app usage data, device identifiers, advertising identifiers, approximate location derived from IP address, and performance and engagement metrics.

2. How We Use Your Information

We may use your information to:

• Create and manage your account
• Provide, maintain, and improve the App
• Process and store the content you upload
• Deliver core App features and personalized results
• Process subscriptions and manage paid access
• Analyze usage, performance, and trends
• Serve advertising, where applicable
• Detect fraud, abuse, security incidents, or technical issues
• Communicate with you about updates, support, and important notices
• Comply with legal obligations

3. How We Share Your Information

We may share your information in the following circumstances:

• Service Providers: with vendors and service providers that help us operate the App, such as cloud hosting and storage providers, analytics providers, advertising partners, customer support tools, and payment or subscription platforms.
• Legal Compliance: if required to do so by law, regulation, legal process, or governmental request, or when necessary to protect our rights, users, or the public.
• Business Transfers: if we are involved in a merger, acquisition, restructuring, financing, or sale of assets, your information may be transferred as part of that transaction.

4. Third-Party Services

The App may use third-party SDKs, tools, or services for analytics, advertising, crash reporting, cloud storage, authentication, and subscription management. These third parties may collect information in accordance with their own privacy policies.

5. Data Retention

We retain your information for as long as necessary to provide the App and its features, maintain your account, fulfill the purposes described in this Privacy Policy, comply with legal, tax, accounting, or regulatory obligations, resolve disputes, and enforce our agreements.

6. Account Deletion and Your Rights

You may request deletion of your account and associated personal data through the App or by contacting us at support@wenchangtech.com.

When you request account deletion:

• Your account will be deleted or deactivated
• Personal data associated with the account will be deleted, anonymized, or retained only where legally required
• Some information may be retained where necessary for legal compliance, fraud prevention, dispute resolution, or enforcement of our agreements

Depending on your jurisdiction, you may also have the right to access, correct, or request deletion of your personal data, object to or restrict certain processing, and withdraw consent where processing is based on consent.

7. International Data Transfers

Your information may be processed and stored in countries outside your country of residence. By using the App, you understand and agree that your information may be transferred to and processed in jurisdictions that may have different data protection laws than your own.

8. Data Security

We use reasonable administrative, technical, and organizational measures to protect your information. However, no method of transmission over the Internet or method of electronic storage is completely secure, and we cannot guarantee absolute security.

9. Children's Privacy

The App is not directed to children under the age of 13, or the minimum age required by applicable law in your jurisdiction. We do not knowingly collect personal information from children without appropriate consent. If you believe a child has provided us with personal information, please contact us so we can take appropriate action.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. If we make material changes, we will post the updated version in the App or on our website and update the Effective Date above.

11. Contact Us

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

Beijing Wenchang Technology Co., Ltd.
Room 1668, No. 86 Huoxing North Street, Huoxian Town, Tongzhou District, Beijing, China
Email: support@wenchangtech.com