Privacy Policy


This Privacy Policy applies to the 'Hi Sudoku' mobile app (the "App") and the services provided through it (together with the App, the "Service"), developed by Tianjin Yiling Technology Co., Ltd. ("we", "us", "our"). This Privacy Policy explains how we collect, use, secure, and disclose your personal data when you use our Service.

The data controller is Tianjin Yiling Technology Co., Ltd., with a registered address at Zhongnan Plaza (West), south of Zhongnan Road, Nankai District, Tianjin.

Information We Collect and How

We may collect personal data that can be used to identify you ("Personal Data") directly, automatically, or from third-party partners or services. The Personal Data we collect includes:

Basic Identifiers and Contact Information

We collect information from you when you provide it to us directly, such as via an email or online form, through the support feature embedded in our Service, or through another form of inquiry. This information may include your name, email, and phone number.

Device Information

When you download and use our Service, we automatically collect information on the type of device you use, operating system, resolution, application version, mobile device identifiers (such as your device ID or advertising ID), language, time zone, and IP address.

Usage Information

We collect information automatically about your activity through our Service, such as the date and time you used the service, features you have used, your in-app purchase history, subscriptions, your interaction with advertisements, and data generated when you use our Service (for example, your game progress).


We automatically detect your general location, namely country and state, through your IP address. We may collect, with your consent if applicable, other location information through your IP address, such as the city you are in.

Information from Third Parties

We may receive information about you from our third-party service providers, who collect this information through our Service in accordance with their own privacy policies.

Information from Social Networks

If you connect our Service to your account with third parties like Apple, Facebook, or Google, we may receive certain publicly available information about you, as well as any information that you allow or your settings enable to be accessed, including your Apple ID, Facebook user ID, Android Gamer Name, name, and email subject to your permission.

Purposes for Using Your Personal Data

We may use your Personal Data for the following purposes:

Sharing Your Personal Data

We may share your personal data with third parties as described in this section:

Your Privacy Rights

You have certain rights in relation to your personal data. These include the right to access, correct, delete, or restrict the use of your personal data. To exercise these rights, please contact us at [email protected].

Age Limitation

We do not knowingly collect or solicit personal data from anyone under the age of 16 or knowingly allow such persons to use the Service. If you are under 16, please do not send any information about yourself to us.

International Data Transfers

Your personal data may be transferred to, and processed in, countries other than the country in which you are resident.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. If we make any changes, we will notify you by revising the "Last Updated" date at the bottom of this Privacy Policy.

Contact Us

If you have any questions or concerns about this Privacy Policy or our data practices, please contact us at:

Tianjin Yiling Technology Co., Ltd.

Zhongnan Plaza (West), south of Zhongnan Road, Nankai District, Tianjin

Email: [email protected]

Last Updated: 2023-08-28