Privacy Policy

Effective Date: April 23, 2026

Last Updated: April 23, 2026

We highly value your privacy and the protection of your personal information. This Privacy Policy explains how AR Drawing: Trace & Sketch and its related services (collectively, the “Service”) collect, use, store, share, and protect your personal information, as well as your rights and choices

If you do not agree with any part of this policy, please stop using the Service. By accessing or continuing to use the Service, you acknowledge that you have read, understood, and agreed to this Privacy Policy.

1. Scope of This Policy

This Privacy Policy applies to the processing of your personal information when you use the Service through:

• Using the Service via iOS or Android applications;

• Accessing the Service through our website, help center, or other related pages;

• Interacting with customer support, promotions, subscriptions, or payments related to the Service.

This policy does not apply to third-party products or services provided through the Service (such as third-party SDKs or external websites). Such third parties process your information in accordance with their own privacy policies.

2. Information We Collect

We collect information necessary to provide the Service, improve user experience, ensure security, and comply with legal requirements. This information may include:

2.1 Information You Provide to Us

• Feedback and Support: Content you submit through feedback channels, screenshots or logs you voluntarily upload, and your contact information.

• Subscription and Transaction Information: Subscription status, order numbers, and transaction verification data (usually provided by app stores or payment platforms; we do not directly collect sensitive payment information such as bank card numbers).

2.2 Analysis of Your Use of the Application

Based on how you use the Service, we may process the following device- and connection-related information:

• Device Information: Device model, operating system version, app version, language, time zone, screen resolution, and device identifiers (such as device ID or advertising identifier, subject to platform permissions and compliance requirements).

• Network and Connection Information: IP address, network type, connection quality data, error codes, and necessary connection negotiation information (such as session data used to establish device-to-device connections).

• Camera and Notification Permissions (with your authorization):

    -  When the device is used in “AR Drawing Mode,” camera access is required;

     -  When the device is used to “capture completed drawings,” camera access is required;

• Photos/Files (optional): If you choose to save images to your photo library, we may request access to photos or storage, or use system-provided save interfaces. We do not upload your drawings or camera images to our servers unless you explicitly choose to share or submit feedback.

Note: We will not activate the camera or microphone without your authorization. You may manage or disable these permissions at any time in system settings, but doing so may affect core functionality.

2.3 Automatically Collected Logs and Analytics Information

To ensure service stability and security, we may automatically collect:

• Log Information: Startup and crash logs, feature usage records (such as aggregated interaction data), and error diagnostics.

• Performance Information: Data related to performance, power consumption, and network latency, used for troubleshooting and optimization.

• Advertising and Attribution Data: Advertising identifiers, ad request and response data, ad impressions, clicks, conversion events, and related attribution data, used to measure ad effectiveness and support monetization.

3. How We Use Information

We use your information only for the following purposes:

• Providing and maintaining the Service: Enabling subscription features.

• Improvement and optimization: Analyzing usage and performance data to enhance user experience.

• Security and risk control: Detecting abnormal activities, abuse, attacks, or fraud to protect the Service and devices.

• Customer support: Responding to inquiries, complaints, and troubleshooting requests.

• Legal compliance: Fulfilling regulatory obligations and responding to lawful requests from authorities.

• Advertising and attribution: Displaying non-personalized or personalized ads where permitted by law, measuring advertising effectiveness, attributing installs or in-app events to advertising campaigns, and preventing ad fraud.

• You may control or reset advertising identifiers via device settings and, in some cases, opt out of personalized advertising.

4. How We Share, Transfer, and Disclose Information

4.1 Sharing

We do not sell your personal information. We only share necessary information under the following circumstances:

• With service providers (processing on our behalf):

    We may use third-party service providers (such as cloud services, push notification services, crash analytics, usage analytics, customer support systems, and similar providers) to support the Service. These providers process information only within our authorization and are bound by confidentiality and security obligations.

• With advertising, monetization, and attribution partners:

    We may share certain device information, identifiers (such as advertising identifiers), usage data, and ad interaction data to display ads, measure campaign effectiveness, attribute installs or in-app events, and prevent fraud. These partners process information in accordance with their own privacy policies and applicable laws.

• With your explicit consent:

    For example, when you choose to share content with third-party platforms or export or back up data.

4.2 Transfer

If we are involved in a merger, acquisition, asset transfer, or similar transaction, your information may be transferred as part of that transaction. We will require the new data controller to continue to comply with this Privacy Policy, or obtain your consent if there are material changes to processing purposes.

4.3 Disclosure

We may disclose information when necessary:

• To comply with laws, regulations, legal processes, or lawful government requests;

• To protect the rights, property, or safety of us, our users, or the public;

• To address emergencies (such as preventing serious physical harm), within the scope permitted by law.

5. Third-Party SDKs and Services

We may integrate third-party SDKs to support functions such as analytics, crash diagnostics, push notifications, advertising, and attribution. These third parties may process necessary device information and usage data within the scope of their services.

Third-party services we use include but are not limited to:

• Firebase Analytics: For usage analytics; may process device information, app instance identifiers, and usage data;

• Firebase Crashlytics: For crash diagnostics and stability monitoring; may process device information, crash logs, and diagnostic data;

• Firebase Cloud Messaging: For push notifications; may process device tokens and message delivery-related data;

• Adjust: For attribution analytics; may process advertising identifiers, install data, and conversion events;

• AdMob / AppLovin / InMobi / Meta Audience Network / Mintegral / Pangle: For ad display, measurement, attribution, fraud prevention, and optimization; may process advertising identifiers (such as Google Advertising ID), device information, IP address, approximate location inferred from IP, usage data, and ad interaction data.

These third-party service providers may collect or receive the above information from your device or application and process it in accordance with their own privacy policies and applicable laws.

You can review their privacy policies at:

• Firebase: https://policies.google.com/privacy

• Adjust: https://www.adjust.com/terms/privacy-policy/

• Facebook SDK: https://www.facebook.com/privacy/policy/

Privacy policies of other advertising partners can be found on their respective official websites. Depending on your region and applicable laws, these ads may be personalized or non-personalized. You can limit advertising identifiers or opt out of personalized ads through your device settings.

6. Data Storage and Retention

6.1 Storage Location and Retention Period

We retain your information only for as long as necessary to provide the Service or as required by applicable law.

• Device and application-related information: Retained for as long as necessary to fulfill the purposes described in this policy; deleted or anonymized when no longer needed or when legal retention periods expire.

• Log and diagnostic information: Typically retained for 90 days for troubleshooting and security auditing, then deleted or anonymized.

• Subscription and transaction verification information: Retained for up to 5 years, or as required by law and compliance obligations.

• Feedback materials you upload: Deleted or anonymized within 90 days after issue resolution, unless you consent to extended retention.

6.2 Deletion and Anonymization

When information is no longer needed for the purposes described in this policy, or when you request deletion and it is legally permissible, we will delete or anonymize such information.

7. Information Security

We implement industry-standard security measures to protect your information, including but not limited to:

• Encryption during transmission and storage (where applicable);

• Access controls and the principle of least privilege;

• Security audits, vulnerability remediation, and anomaly monitoring;

• Data backup and disaster recovery measures.

While we make reasonable efforts to protect your information, no system is completely secure. In the event of a personal data security incident, we will notify you and take remedial actions as required by law.

8. Your Rights and Choices

Under applicable law, you may exercise the following rights:

• Access and correction: You have the right to request access to and correction of your personal information, where permitted by law.

• Deletion: Request deletion of your personal information where permitted by law.

• Withdrawal of consent and permission management: You may manage or disable permissions at any time in system settings, but this may affect certain features.

9. Children’s Data

This application is not intended for children under the age of 13, or a higher minimum age as required by applicable law. We do not knowingly collect personal information from such children, nor do we serve or target personalized ads to them. If you fall within this age range, please do not use the application or provide any personal information. If we become aware that we have inadvertently collected personal information from a child, we will promptly delete such data. If you believe we may hold any information from a child, please contact us using the contact details provided in this Privacy Policy.

10. International Data Transfers

Due to the global nature of our business and services, your personal information may be transferred to and stored on servers or systems located outside your country or region.

When conducting such international data transfers, we will take reasonable technical and organizational measures in accordance with applicable data protection laws to ensure a level of protection consistent with this Privacy Policy.

11. California Privacy Rights

This section applies to users residing in California and complies with the California Consumer Privacy Act (CCPA) and its amendment, the California Privacy Rights Act (CPRA).

In the past 12 months, we may have collected personal information related to your use of the Service, including device information, network information, usage and log data, and image data you provide when submitting feedback, sharing content, or using related features (such as photos of completed drawings). Such information is collected and used solely to provide and improve the Service, ensure security, and fulfill legal obligations.

Your Rights

As a California resident, you have the right to:

• Request information about the personal information we collect, use, or disclose about you;

• Request access to or deletion of your personal information;

• Request correction of inaccurate personal information;

• Not be discriminated against for exercising your privacy rights.

Sale or Sharing of Personal Information

We do not sell your personal information. Except for advertising, attribution, and measurement purposes described in this policy and as permitted by law, we do not knowingly share personal information for cross-context behavioral advertising.

Exercising Your Rights

You may contact us to exercise your rights at:

Email: hefeiyinuo21@gmail.com

We may verify your identity before processing your request and will respond within the time required by law.

12. EEA/UK Privacy Rights

This section applies to users located in the European Economic Area (EEA) and the United Kingdom, in accordance with the General Data Protection Regulation (GDPR) and other applicable laws.

We process personal information based on one or more legal bases: performance of a contract, your consent, compliance with legal obligations, or our legitimate interests (such as ensuring service security and improving services), provided that such interests do not override your fundamental rights.

Your Rights

Where applicable, you have the right to:

• Request access to, correction of, or deletion of your personal information;

• Request restriction of or object to the processing of your personal information;

• Withdraw your consent at any time where processing is based on consent;

• Request a copy of your personal information (data portability).

Exercising Rights and Complaints

If you wish to exercise these rights, please contact us at:

Email: hefeiyinuo21@gmail.com

You also have the right to lodge a complaint with your local supervisory authority.

13. Updates to This Policy

We may update this Privacy Policy from time to time. Updates will be communicated through in-app notifications, announcements, or other reasonable means, and the “Effective Date” at the top of this policy will be updated accordingly.

If changes materially affect your rights, we will provide more prominent notice and obtain your consent where required.

14. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or personal data protection, please contact us at:

Email: hefeiyinuo21@gmail.com

We will respond within a reasonable timeframe.

Appendix: Permissions

To provide the Service, we may request the following system permissions (depending on the platform):

• Camera (required): Used in AR drawing mode to display the image onto the user’s drawing area via the camera.

• Network access (required): Used to load app resources, verify subscription status, display ads, perform analytics, and access services.

• Notifications (optional): Used to send feature updates, important service notifications, or reminders related to features you trigger.

• Photos/Storage (optional): Used to save completed drawings.

You can manage these permissions in system settings. Disabling permissions may affect certain features of the Service.

User Rights

Data Deletion Requests

You have the right to request deletion of your personal information within the scope permitted by applicable law.

You may submit a deletion request via email: hefeiyinuo21@gmail.com

We may take steps to verify your identity before processing your request.

We will process your request within a reasonable timeframe (typically within 7–30 days), subject to applicable legal requirements.

Please note that certain information may be retained where required for legal, security, or legitimate business purposes.