1. Introduction
This Privacy Policy describes how Qin Studio ("we", "us", or "our") collects, uses, stores, and shares user information through our mobile applications. Please read this Privacy Policy carefully to understand our practices regarding your personal data.
Important: By using our applications, you agree to the collection and use of information as described in this Privacy Policy. If you do not agree with any part of this Privacy Policy, please do not use our applications.
Our applications may use services such as Google AdMob to display advertisements. AdMob may collect and use data to provide personalized ads. For AdMob's data practices, please refer to the Google Privacy Policy.
For any inquiries regarding this Privacy Policy, please contact us using the information provided in the "Contact Us" section.
2. Information We Collect
2.1 Automatically Collected Information
When you use our applications, we may automatically collect the following types of information:
- Device Information: Device model, operating system version, unique device identifiers (such as IDFA, AAID), IP address
- Usage Data: App usage frequency, session duration, feature usage, crash reports
- Technical Data: Network type (Wi-Fi/mobile data), screen resolution, language settings
- Advertising Data: Ad interactions, ad identifiers, rough location information for ad targeting
2.2 Information Collected Through Third-Party Services
Our applications integrate the following third-party services that may collect information:
| Service Provider | Types of Data Collected | Purpose |
|---|---|---|
| Google AdMob | Device identifiers, ad interaction data, approximate location | Ad delivery, ad performance measurement |
| Firebase Analytics | App usage data, event data, user properties | App analytics, feature improvement |
| RevenueCat | Purchase history, subscription status, user ID | In-app purchase management |
| Apple App Store | Purchase receipts, subscription information | Payment processing, subscription management |
2.3 Information You Provide
We may collect information that you voluntarily provide when:
- Contacting our customer support
- Participating in surveys or feedback forms
- Making in-app purchases
- Creating user accounts (if applicable)
3. Advertising Services
Advertising Identifiers: We may use your advertising identifier (such as Apple's IDFA) to deliver personalized ads. You can reset or limit ad tracking in your device settings.
3.1 Google AdMob
Our applications use Google AdMob to display advertisements. AdMob uses data for the following purposes:
- Delivering relevant advertisements within applications
- Measuring ad performance and conversions
- Preventing fraud and invalid traffic
- Improving the advertising system
You can visit Google Ads Settings to manage your ad personalization preferences.
3.2 Personalized vs. Non-Personalized Ads
In accordance with applicable laws (such as GDPR, CCPA), we may provide options to opt out of personalized advertising. When you opt out, you will still see advertisements, but they will not be based on your interests.
You can control ad personalization through:
- Device settings (iOS: Settings > Privacy > Apple Advertising)
- Ad network opt-out mechanisms
- Third-party ad preference tools
3.3 Ad Serving Technology
Our ad serving technology may collect:
- Number of ad impressions
- Click-through rates
- Conversion tracking data
- Frequency of ad display
4. How We Use Your Information
We use the information we collect for the following purposes:
- Provide and Maintain Services: To ensure our applications function properly
- Improve User Experience: To optimize application features based on analytics data
- Ad Delivery: To display relevant advertisements to support our free application model
- Customer Support: To respond to your inquiries and feedback
- Application Security: To detect and prevent fraudulent activities
- Analytics and Research: To understand how users interact with our applications
- Legal Compliance: To comply with applicable laws and regulations
- Business Operations: To analyze usage patterns and improve our services
Legal Basis for Processing: We process your personal data based on:
- Your consent (where required)
- Performance of a contract with you
- Our legitimate business interests
- Compliance with legal obligations
5. Data Sharing and Disclosure
We share your information only in the following circumstances:
5.1 With Service Providers
We share limited information with the following types of service providers:
- Advertising networks (Google AdMob)
- Analytics services (Firebase Analytics)
- Cloud storage providers
- Customer support platforms
- Payment processors
All service providers are contractually obligated to maintain strict confidentiality obligations.
5.2 Legal Requirements
We may disclose your information if we believe it is necessary to:
- Comply with legal obligations or government requests
- Enforce our Terms of Service
- Protect the rights, property, or safety of us, our users, or the public
- Prevent or investigate possible wrongdoing in connection with our services
5.3 Business Transactions
If Qin Studio is involved in a merger, acquisition, or sale of assets, your personal information may be transferred as part of that transaction. We will notify you via email and/or a prominent notice on our website of any change in ownership or uses of your personal information.
5.4 Aggregated or De-identified Information
We may share aggregated or de-identified information that cannot reasonably be used to identify you. This may include usage statistics and demographic information.
6. Your Rights and Choices
Depending on your location and applicable laws, you may have the following rights regarding your personal data:
| Right | Description | How to Exercise |
|---|---|---|
| Right of Access | Obtain a copy of your personal data we hold | Submit a request through contact information below |
| Right to Rectification | Correct inaccurate or incomplete personal data | Submit a request through contact information below |
| Right to Erasure | Delete your personal data in certain circumstances | Submit a request through contact information below |
| Right to Restrict Processing | Restrict our processing of your personal data | Submit a request through contact information below |
| Right to Data Portability | Receive your data in a structured, commonly used format | Submit a request through contact information below |
| Right to Object | Object to processing based on legitimate interests | Submit a request through contact information below |
| Right to Withdraw Consent | Withdraw consent where processing is based on consent | Submit a request through contact information below |
Device-Level Controls: You can manage many data collection preferences through your device settings:
- iOS: Settings > Privacy > Advertising > Limit Ad Tracking
- iOS: Settings > Privacy > Analytics & Improvements
- iOS: Settings > [App Name] > Privacy Settings
- Global: Reset Advertising Identifier in device settings
6.1 California Consumer Privacy Act (CCPA) Rights
If you are a California resident, you have the right to:
- Know what personal information is collected about you
- Delete personal information collected about you
- Opt-out of the sale of your personal information
- Non-discrimination for exercising your CCPA rights
To exercise your CCPA rights, please contact us using the information below.
6.2 General Data Protection Regulation (GDPR) Rights
If you are located in the European Economic Area, you have additional rights under GDPR, including the right to lodge a complaint with a supervisory authority.
7. Data Security
We implement reasonable technical and organizational measures to protect your personal information from unauthorized access, alteration, disclosure, or destruction. These measures include:
- Encryption of data in transit (SSL/TLS)
- Secure data storage practices
- Access restrictions for employees and service providers
- Regular security assessments
- Security incident response procedures
However, please note that no method of electronic transmission or storage is 100% secure. While we strive to use commercially acceptable means to protect your personal information, we cannot guarantee its absolute security.
In the event of a data breach that may affect your personal information, we will notify you and relevant authorities as required by applicable laws.
8. Children's Privacy
Our applications are not directed to children under the age of 13 (or the relevant age in your jurisdiction). We do not knowingly collect personal information from children under 13.
If we become aware that we have collected personal information from a child under 13 without verification of parental consent, we will take steps to remove that information from our servers as soon as possible.
If you are a parent or guardian and believe your child has provided us with personal information, please contact us using the information below. We will take steps to delete such information from our systems.
COPPA Compliance: We comply with the Children's Online Privacy Protection Act (COPPA). If you have questions about our COPPA compliance, please contact us.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. The updated policy will be posted on this page with an updated "Last Updated" date.
For material changes, we will provide prominent notice within the application. We encourage you to review this Privacy Policy periodically for any changes.
Your continued use of our applications after any changes to this Privacy Policy constitutes your acceptance of the updated policy.
9.1 Change Notification
We may notify you of significant changes through:
- In-app notifications
- Email notifications (if you have provided your email)
- Updates on our website
10. Contact Us
If you have any questions or concerns about this Privacy Policy or our data practices, please contact us:
Qin Studio - Privacy Inquiries
For Data Subject Requests: Please include "Privacy Request" in the subject line of your email and provide sufficient information to verify your identity. We may need to request specific information from you to confirm your identity and ensure your right to access the information.
10.1 Data Protection Officer
For users in the European Economic Area, you may contact our designated Data Protection Officer at the email address above.
Effective Date: This Privacy Policy is effective as of January 2026.
Previous Versions: Archived versions of this Privacy Policy are available upon request.