Privacy Policy

1. Introduction

Beijing Sirenda Trade Co., Ltd. ("we," "us," or "our") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile applications, websites, and services.

2. Information We Collect

2.1 Personal Information

• Name and contact information (email address, phone number)
• Account credentials and profile information
• Payment information (processed securely through third-party payment providers)
• Communication preferences

2.2 Automatically Collected Information

• Device identifiers (Android ID, iOS IDFA/IDFV)
• Device information (type, operating system, version)
• App usage data and analytics
• IP address and location data
• Cookies and similar tracking technologies

3. How We Use Your Information

• Provide and maintain our services
• Improve user experience and app functionality
• Send important updates and notifications
• Process transactions and payments
• Display personalized advertisements
• Comply with legal obligations
• Prevent fraud and ensure security

4. Information Sharing

We may share your information with:

• Service providers and business partners
• Advertising platforms (see Section 6)
• Legal authorities when required by law
• Third parties with your explicit consent

5. Data Retention

We retain your personal information for as long as necessary to fulfill the purposes outlined in this policy, unless a longer retention period is required by law. You may request deletion of your data at any time.

6. Third-Party Advertising and Analytics

Our mobile applications integrate third-party advertising and analytics services to support our free services. These services may collect and use information as described below.

6.1 Ad Network Partners

We work with the following advertising and monetization platforms:

Google AdMob

Our apps use Google AdMob for advertising. Google collects data to provide and improve its ad services. For more information, visit: Google's Privacy Policy

Facebook Audience Network

We may use Facebook Audience Network for targeted advertising. Facebook collects usage data as described in their Data Policy. For more information, visit: Facebook Privacy Policy

Unity Ads

Unity Ads provides advertising services in our applications. For Unity's privacy practices, visit: Unity Privacy Policy

AppLovin (including MoPub)

AppLovin and its subsidiary MoPub provide advertising services. For their privacy policy, visit: AppLovin Privacy Policy

ironSource

ironSource provides advertising and monetization solutions. For their privacy practices, visit: ironSource Privacy Policy

Chartboost

Chartboost provides advertising services. For their privacy policy, visit: Chartboost Privacy Policy

Vungle

Vungle (owned by TikTok parent company ByteDance) provides advertising services. For their privacy policy, visit: Vungle Privacy Policy

Pangle

Pangle (by ByteDance) provides advertising services. For their privacy policy, visit: Pangle Privacy Policy

Mintegral

Mintegral provides advertising and monetization services. For their privacy policy, visit: Mintegral Privacy Policy

Other Ad Networks

We may also integrate with other advertising networks including but not limited to: Liftoff, Moloco, Ogury, Teads, and similar platforms. Each network's privacy policy governs their data practices.

6.2 Types of Ads We Display

• Splash Ads (Splash Screen Ads): Full-screen ads displayed when opening the app
• Rewarded Video Ads: Video ads that users can watch in exchange for in-app rewards
• Interstitial Ads: Full-screen ads displayed during natural transition points
• Banner Ads: Rectangular ads displayed at the top or bottom of the screen
• Native Ads: Ads that match the look and feel of the app content

6.3 Opting Out of Personalized Advertising

You can opt out of personalized advertising by:

• Android: Settings > Google > Ads > Opt out of personalized advertising
• iOS: Settings > Privacy > Apple Advertising > Turn off Personalized Ads
• Industry-wide: Digital Advertising Alliance Opt-Out
• EU users: Your Online Choices

7. Children's Privacy (COPPA Compliance)

Our services are not directed to children under 13 years of age. 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 at support@sirendaco.com.

For apps directed to children, we comply with:

• Children's Online Privacy Protection Act (COPPA)
• UK Children's Code
• Google Play's Families Policy
• App Store's App Review Guidelines for Kids Category

8. California Privacy Rights (CCPA/CPRA)

If you are a California resident, you have the right to:

• Know what personal information is collected about you
• Know whether your personal information is sold or disclosed
• Say no to the sale of personal information
• Request deletion of your personal information
• Not be discriminated against for exercising your privacy rights

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

9. European Union Users (GDPR)

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

• Right to access your personal data
• Right to rectification
• Right to erasure ("right to be forgotten")
• Right to restrict processing
• Right to data portability
• Right to object
• Rights related to automated decision-making

Our Data Protection Officer can be contacted at support@sirendaco.com.

10. Data Security

We implement appropriate technical and organizational measures to protect your personal information, including encryption, secure servers, access controls, and regular security assessments.

11. International Data Transfers

Your information may be transferred to and processed in countries outside your country of residence. We ensure appropriate safeguards are in place for such transfers, including Standard Contractual Clauses approved by the European Commission.

12. Your Rights

You have the right to:

• Access your personal information
• Correct inaccurate information
• Delete your information
• Withdraw consent at any time
• Lodge a complaint with a supervisory authority

13. Changes to This Policy

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

14. Contact Us

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

Beijing Sirenda Trade Co., Ltd.
No. 1-04, Nongji Road, Guoyuan Street, Miyun District
Beijing, China
Email: support@sirendaco.com
Enterprise: taoruiqin@sirendaco.com