Privacy Policy

Last updated: March 31, 2026

Introduction

Tử Vi 2026: Coi Ngày & Lịch Âm ("we", "our", "the App") is a Vietnamese astrology (Tử Vi) application. We respect your privacy and are committed to protecting your personal information. This Privacy Policy explains how we collect, use, and safeguard your data when you use our App.

Information We Collect

Personal Information

                The App does NOT collect, store, or transmit any personal information. All astrology data you enter
                (date of birth, gender, lunar/solar calendar preferences) is stored locally on your device only
                and is never sent to our servers or any third party.
            

Automatically Collected Information

The App uses Google AdMob to display advertisements. Through AdMob, the following information may be automatically collected:

Advertising ID (Google Advertising ID)
Device information (device model, operating system version)
IP address
General location (country/region level, not precise location)
Ad interaction data (views, clicks)

How We Use Information

To provide personalized astrology readings based on your input
To display relevant advertisements through Google AdMob
To improve the App's performance and user experience

Third-Party Services

The App uses the following third-party service:

Google AdMob — for serving advertisements. Google's privacy policy applies to data collected through AdMob. You can review Google's Privacy Policy.

Data Storage

All user-entered data is stored locally on your device using an internal database. We do not operate any external servers to collect or store your data. If you uninstall the App, all locally stored data will be permanently deleted.

Children's Privacy

The App does not knowingly collect personal information from children under 13 years of age. The App is intended for general audiences.

Your Rights

Since all your data is stored locally on your device, you have full control over it. You can delete all data at any time by clearing the App's data in your device settings or by uninstalling the App.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be reflected by updating the "Last updated" date at the top of this policy.

Contact Us

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

Email: quoccuongdnbk@gmail.com