Privacy Policy

Yuncheng Yanhu Canghai Network Technology Co., Ltd. ("we", "us", or "our") operates the SmokeStep mobile application (the "App"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App.

1. Information We Collect

1.1 Personal Information

We may collect the following types of personal information:

• Account Information: When you create an account through Apple Sign-In, WeChat, or Huawei login, we collect your unique identifier, email address (if provided), and profile information.
• Health Data: Smoking records, including number of cigarettes smoked, smoking times, cigarette brands, and prices.
• Personal Habits: Daily smoking quantity, smoking years, time to first cigarette after waking, and cigarettes per session.
• User-Generated Content: Notes, goals, and plans you create within the App.

1.2 Automatically Collected Information

• Device Information: Device type, operating system version, device identifiers, and mobile network information.
• Sensor Data: Gyroscope and accelerometer data to verify human operation, prevent automated scripts, and protect user account security.
• Usage Data: App features used, pages viewed, time spent on pages, and interaction patterns.
• Location Information: Time zone and general location based on IP address (we do not collect precise GPS location).
• Log Data: Error logs, crash reports, and performance data.

1.3 Information from Third Parties

• Authentication Services: Information from Apple Sign-In, WeChat, or Huawei login services.
• Analytics Providers: Aggregated usage statistics and app performance metrics.

2. How We Use Your Information

We use the collected information for the following purposes:

• Provide Services: To operate and maintain the App, track your smoking habits, and generate personalized smoking reduction or cessation plans.
• Personalization: To customize your experience, provide relevant content, and suggest attention-diversion activities.
• Communication: To send you notifications about your progress, motivational messages, and important updates about the App.
• Analytics: To understand how users interact with the App and improve our services.
• AI Features: To generate personalized smoking cessation plans and health recommendations using artificial intelligence.
• Security: To detect, prevent, and address technical issues, fraud, or security breaches.
• Legal Compliance: To comply with applicable laws, regulations, and legal processes.

3. Data Sharing and Disclosure

3.1 We Do NOT Sell Your Personal Information

We do not sell, rent, or trade your personal information to third parties for their marketing purposes.

3.2 Service Providers

We may share your information with third-party service providers who perform services on our behalf:

• Cloud storage and hosting services
• Analytics and app performance monitoring
• Customer support services
• AI and machine learning service providers

These service providers are contractually obligated to protect your information and use it only for the purposes we specify.

3.3 Legal Requirements

We may disclose your information if required by law or in response to:

• Legal processes (subpoenas, court orders)
• Government or regulatory requests
• Protection of our rights, property, or safety
• Emergency situations involving public safety

3.4 Business Transfers

If we are involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction. We will notify you of any such change in ownership or control of your personal information.

4. Your Rights and Choices (CCPA Rights)

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

4.1 Right to Know

You have the right to request disclosure of:

• Categories of personal information collected
• Sources of personal information
• Business purposes for collecting information
• Categories of third parties with whom we share information
• Specific pieces of personal information we collected about you

4.2 Right to Delete

You have the right to request deletion of your personal information, subject to certain exceptions.

4.3 Right to Opt-Out

You have the right to opt-out of the sale of your personal information. Note: We do not sell personal information.

4.4 Right to Non-Discrimination

We will not discriminate against you for exercising your CCPA rights.

4.5 How to Exercise Your Rights

To exercise these rights, please:

• Use the "Delete Account" feature in the App settings
• Contact us via WeChat customer service (QR code available in App)
• Email us at the address provided in the Contact section

We will respond to your request within 45 days.

5. Data Security

We implement appropriate technical and organizational measures to protect your personal information:

• Encryption of data in transit and at rest
• Secure authentication mechanisms
• Regular security assessments and updates
• Access controls and authentication requirements
• Employee training on data protection

However, no method of transmission over the internet or electronic storage is 100% secure. While we strive to protect your personal information, we cannot guarantee absolute security.

6. Data Retention

We retain your personal information for as long as necessary to:

• Provide you with the App services
• Comply with legal obligations
• Resolve disputes
• Enforce our agreements

When you delete your account, we will delete or anonymize your personal information within 30 days, except where we are required to retain it for legal purposes.

7. Children's Privacy

The App is not intended for children under the age of 13 (or 16 in some jurisdictions). We do not knowingly collect personal information from children. If you are a parent or guardian and believe your child has provided us with personal information, please contact us, and we will delete such information.

8. International Data Transfers

Your information may be transferred to and maintained on servers located outside of your country or jurisdiction. By using the App, you consent to the transfer of your information to countries that may have different data protection laws than your jurisdiction.

9. Third-Party Services

The App may contain links to third-party websites or integrate with third-party services (Apple Sign-In, WeChat, Huawei). This Privacy Policy does not apply to those services. We encourage you to review the privacy policies of any third-party services you access through the App.

9.1 Ocean Engine Conversion Tracking SDK

• Provider: Beijing Ocean Engine Network Technology Co., Ltd.
• Purpose: Advertising conversion data tracking and analysis
• Data Collected: Device information (device model, OS version, device identifiers), network information, app installation and usage information
• Privacy Policy: https://bytedance.larkoffice.com/docx/A1mndmxPAo9C22x99kYcQxq9nIf

9.2 Tencent Turing Shield Risk Identification SDK (iOS Version)

• Provider: Shenzhen Tencent Computer System Co., Ltd.
• Purpose: Device risk identification for login risk detection, registration risk detection, marketing risk detection, advertising anti-fraud, fake traffic identification, and other business risk identification scenarios
• Data Collected:
  • Carrier information
  • Network status
  • System settings and system properties (including sensor list information)
  • Device model and operating system
  • IP address
  • IDFV (Identifier for Vendor)
  • IDFA (Identifier for Advertisers, optional)
  • User browsing behavior (optional)
  • WiFi status (optional)
  • Unified anonymous identifier (indirectly collected from carrier)
• Permissions Required: IDFA permission (optional)
• Data Processing Method: De-identification and encryption for transmission and processing
• Privacy Policy: https://privacy.qq.com/document/preview/727de246c0494e2897a1fc38c7d7e4ed

10. Push Notifications

We may send you push notifications with your consent. You can disable push notifications at any time through your device settings or within the App.

11. 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 Privacy Policy in the App
• Updating the "Last Updated" date
• Sending you a notification (for significant changes)

Your continued use of the App after changes become effective constitutes acceptance of the revised Privacy Policy.

12. California "Shine the Light" Law

California residents may request information about disclosures of personal information to third parties for direct marketing purposes. As stated in this policy, we do not share personal information with third parties for their direct marketing purposes.

14. Apple App Store Compliance

This App complies with Apple's App Store Review Guidelines. We:

• Request only necessary permissions
• Clearly explain data collection purposes
• Provide in-app privacy information
• Use Apple Sign-In where required
• Do not share data with third parties without disclosure

© 2026 Yuncheng Yanhu Canghai Network Technology Co., Ltd. All rights reserved.