Privacy Policy

Last Updated: March 2026

1. Introduction

Welcome to DuelData ("we", "our", or "the App"). We are committed to protecting your privacy and handling information transparently.

This Privacy Policy explains how information may be collected, used, and protected when you use the DuelData mobile application.

By using the App, you agree to the practices described in this Privacy Policy.

2. App Description

DuelData is a lightweight football statistics application designed to provide quick access to historical match results, head-to-head records, and win-rate statistics across football competitions.

The App focuses on delivering simple and efficient access to football match history and statistical insights.

All information provided in the App is for informational purposes only and should not be considered betting advice or financial recommendations.

3. Information We Collect

3.1 Automatically Collected Information

When you use the App, limited technical information may be collected automatically, including:

3.2 Information We Do Not Collect

DuelData does not require user accounts and does not collect the following personal information:

4. How We Use Information

Collected information may be used to:

5. Data Storage and Security

Usage information may be processed on secure servers operated by trusted infrastructure providers.

We implement reasonable technical and organizational safeguards designed to protect information from unauthorized access or disclosure.

6. Third-Party Services

The App may integrate services provided by third-party partners, including:

The App may use the Meta (Facebook) SDK to measure advertising campaign performance and improve advertising delivery efficiency.

These services may collect limited technical identifiers and app interaction events in accordance with their own privacy policies.

7. App Tracking Transparency (ATT)

On iOS devices, the App may request permission through Apple's App Tracking Transparency (ATT) framework to allow tracking for advertising attribution and campaign measurement.

If users grant permission, certain device identifiers and interaction events may be shared with advertising partners such as Meta to measure advertising effectiveness.

Users may deny or withdraw permission at any time through their device settings.

Core features of DuelData do not depend on granting tracking permission.

8. Data Sharing

We may share limited event data and anonymous device identifiers with advertising partners for attribution and analytics purposes, subject to user consent where required.

We do not sell personal information.

Information may be disclosed if required by applicable law or legal process.

9. Data Retention

Usage information is retained only as long as necessary to maintain service performance, analytics, and legitimate business operations.

Users may request deletion of associated usage data by contacting us.

10. Children's Privacy

The App is not directed to children under the age of 13. We do not knowingly collect personal information from children.

11. Changes to This Policy

We may update this Privacy Policy from time to time. Updated versions will be published within the App or on the official website.

12. Contact Us

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

Email: tongayoungtduan494@icloud.com