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WMaster Cleanup Privacy Policy

Last Updated: August 20, 2025

This Agreement is between you (the 'User') and HONG KONG MASTER SCIENCE AND TECH LTD (hereinafter referred to as 'we or us') for the development of the website: https://www.wmastercleanup.com/ (hereinafter referred to as the 'Website') and all software (hereinafter referred to as the 'Software'). The Software and the Website attach great importance to the protection of your personal information and privacy; therefore, we have established a privacy agreement which covers how to collect, store, use, share, and protect the User's information. We want to provide you with a clear picture of how we handle your personal information through the Software, Website Privacy Agreement ('this Privacy Agreement'). This Privacy Agreement is closely related to your use of the Software and the Website's products or services, so please read and thoroughly understand this Privacy Agreement, especially where it is in bold, before using any of the Software and the Website's products or services, and make the choices you deem appropriate accordingly. We promise to take the necessary measures to ensure the security of your personal information in strict accordance with laws and regulations. If you do not agree with the entire contents of this Privacy Agreement, you should immediately stop using the Software, the Website, product, or the corresponding services. When you use the Software, any product or service of the Website, it means that you fully understand and agree to all the contents of this Privacy Agreement.

What Information We Collect and How We Collect It

When you use our product, we may collect or ask you to provide the following information to help us manage our relationship with you and improve our services.

Placing Orders When you purchase a license for WMaster Cleanup, the billing is handled by a third-party service provider, Stripe. You will make your purchase from Stripe directly, and not from WMaster Cleanup. Stripe may transmit some of your personal information to us, but not including payment information. The only personal information we collect during this process is your email address, which is necessary to send you your license key. We won't use this information for any other purpose without your consent.

Use of Cookies, Third-Party Ad Networks, and Analytics Tools "Cookies" are small text files placed on your computer or device when you use our product or visit our website. They are used to improving efficiency and provide a better user experience.

We may use third-party advertising companies, such as Google AdSense, to serve ads within our product. These ad networks may use cookies to deliver targeted advertisements they believe will attract you. WMaster Cleanup does not have access to the cookies that may be placed by these third-party ad networks.

WMaster Cleanup User Experience Improvement Plan (UX Improvement Plan) We may collect information, including, but not limited to, operating system version, device ID, and feature usage data. This is used to improve our products and enhance user experience.

Personal Data We Process

When using WMaster Cleanup, we collect and process the following Service and Device Data (except Billing Data or Account Data if relevant):

Service Data What we use it for and for how long How Long

Events and product usage (such as product version, product language, license type, days to expiration, number of potential problems or detected junk)

Service Provision
To monitor service functionality

In-product Messaging
To inform users of problems that will not be solved by the currently installed product and to offer users a solution to the detected problem

Product and Business Improvement
To better understand our users' behavior to improve users' overall experience by developing new features or products

up to lifetime

File meta data (checksum, archive_state, created_date, modified_date, folder_path, file_name, file_size, file_type, file_id and thumbnail_link)

We do not store your meta data. This data is processed locally on your device and won't be sent to our servers.

 
Device Data What we use it for How Long

Internal online identifiers (GUID, MIDEX, UUID, Device ID)

Service Provision To identify correct installation

In-product Messaging Inform users of problems that will not be solved by the currently installed product and offer users the solution to the identified problem

up to 12 months

Information concerning device (platform, types of cleaning objects, objects size, app name, vendor, version, rating, certification)

Service Provision Check for compatibility issues in automated crash dumps

In-product Messaging Inform users of problems that will not be solved by the currently installed product and to offer users the solution to the identified problem

Product and Business Improvement To better understand users' behavior then update new features or product based on previous experience

up to 12 months

Location (country, region, city, latitude, longitude, internet service provider, internet autonomous system)

Service Provision To set up a proper product language version for Windows

In-product Messaging To inform users of problems that will not be solved by the currently installed product and to offer users a solution to the detected problem

Product and Business Improvement Understand users' behavior to offer new features or product based on approximate location

up to 12 months

Applications (our other products, installed applications on a user's computer)

Service Provision When uninstall applications, we will detect the programs already on the computer to improve WMaster Cleanup functionality

In-product Messaging To inform problems of users when they can't solve the detected problems

up to 12 months

We use the data tracking tool-Google Analytics to help us understand how our product and website are used by our users. This service gives us compile reports on website activity and improve our software usage. After using our product WMaster Cleanup and website https://www.wmastercleanup.com/, you agree to the processing of your data by Google's privacy policy at https://policies.google.com/privacy.

How We Use the Information We Collect

WMaster Cleanup collects and uses your information to operate and improve its product and to deliver the services you have requested. Including offer you professional customer service, perform research and analysis with the aim to improve our product, and display content and advertising which are customized to your interests.

We also use your email address to communicate with you about your license key and to provide important service announcements.

How We Protect the Information We Collect

WMaster Cleanup is committed to protecting the security of your personal information. We used security technologies and procedures to safeguard your personal information.These measures include:

Storage of Your Information: We store the information you provide on computer systems with limited access, located in controlled facilities in the United States.

Technology Safeguards: We use encryption systems to prevent unauthorized access.

No one can guarantee your personal data is always secure. You yourself also need to maintain the confidentiality of any passwords to protect against unauthorized access or use.

How We Share Your Information

WMaster Cleanup does not share or disclose your personal information to any third parties with two exceptions:

Third-Party Service Providers: We hire other companies to provide limited services on our behalf, such as processing payments and providing data analysis. These companies are allowed to only obtain the personal data they need to offer the service. They are required to maintain the confidentiality of the information and are forbidden to use it for any other purpose.

Government and Law Enforcement: We may access and/or disclose your personal data if we think it's necessary to comply with the law or legal process.

How to Change or Delete Your Personal Information

You have the right to access, correct, or delete your personal data. If you wish to do so, please contact us with your request. We will solve your problems within a reasonable timeframe. However, some agreement may remain in archived/backup copies to agree with our legal obligations.

For information processed by our third-party partner, Stripe, you should contact them directly as they are the data controllers, and WMaster Cleanup has no control over that information.

Children's Policy

WMaster Cleanup products and services are not intended for and may not be used by children under sixteen. We do not collect information from children under sixteen. If we know we have collected information of a child under sixteen, we will delete these information from our system as soon as possible.

Changes to This Privacy Policy

We will occasionally update this Privacy Policy to reflect changes in our services and customer feedback. When we update this Privacy Policy, we will revise the "Last Updated" date accordingly. We encourage you to view this Privacy Policy regularly to learn about how WMaster Cleanup is protect your privacy.

Contact Information

If you have any questions about this Privacy Policy, please contact us via email: support@wmastercleanup.com