Privacy Policy

Dear user,

Thank you for your interest in our product XSignal. As a responsible company, we attach great importance to user privacy. Our product was designed from the outset to adhere to the principles of data minimization, collecting only the minimum user data required for the user experience, and we will never sell or share user data.

Specifically, our app XSignal operates entirely on public data and algorithms. We do not ask for any personal identification information, nor collect any data such as your location, contacts, browsing history that could compromise privacy. We are extremely careful to avoid any design that could leak user privacy.

To fully assure you to use our product, we explain to you the functions and data processing of our app in detail:

Registration/login: We do not require user registration or login. The app is completely open and does not require any authentication.

Personal information: We do not collect any personal private information of users such as name, phone number, email address. You can safely enjoy the full functions of the product.

Location information: We do not collect, store or use geographic location or trajectory data of users. Product functions do not rely on user location.

Search history: We do not store or analyze users’ search and browsing history. Each search is completely independent and leaves no records.

Device information: We only collect basic device information for running and optimizing the app, and do not extract any identifiable information.

Data use: We absolutely do not sell, share or transfer user data. All data is only used to provide or improve the app’s own services.

Third party services: We do not provide data to any third party, nor use third-party analytics or advertising services.

Security measures: We use industry best practices to protect user data, including encryption, access control, etc.

We do not require users to create an account or set a password. The app is completely open for anyone to freely use.

We do not ask for or retain your email, phone number or any other account. Using the app requires no registration or login.

You can directly search and browse app content without any authentication or tracking.

Personal information
We do not collect users’ personal information such as name, date of birth, address, phone number, email.

We also do not ask for ID number, bank account or any other confidential private information.

Using our app does not require filling in or setting up any personal profile.

Location information
We absolutely do not collect or access users’ geographic location, GPS coordinates or mobile trajectories.

None of the app functions require the use of location information.

We also do not infer approximate user location via IP address. Users’ location information is kept fully confidential.

Search history
We do not store or record any searched keywords or browsing history.

Search and browsing data are not saved on our servers, nor used for user profiling.

Each search session is completely independent, and not associated or used to build user interest profiles by us.

You can feel free to search anything without being tracked. Search history only resides on your device.

Device information
We only collect basic device information such as OS version, CPU model for app adaptation.

We do not collect unique device identifiers like IMEI, Android ID to identify users.

We also do not access any private data on the device such as contacts, photos, files.

We do not receive or store any sensitive permission data such as camera, microphone, contacts.

Data use
We pledge to never sell or share user data. Data is only used for the app’s own purposes.

We will never use user data for ads or other commercial purposes.

User data is subject to strict access control, and only accessible to the minimum necessary personnel.

If we stop service, user data will be deleted as legally required, and will not be transferred or made public.

Third party services
We do not use any third-party analytics services, ad SDKs or other third-party services that could leak data.

We do not share data with any third parties, nor use third-party cloud services to store or process data.

We anonymize and encrypt data before uploading to any third-party services.

Security measures

We conduct regular security audits, vulnerability scanning to improve system security and close loopholes.

We follow industry standards of access control and least privilege to prevent unauthorized data access.

If any security events occur, we will notify users in a timely manner and take measures to protect user rights.

We hope the above detailed explanation can assure you to use our product. If you have any other questions, please feel free to contact us any time. Protecting user privacy is our important responsibility. We will continue to strive to be a trusted brand!

Commitment to Privacy Policy

We will openly and transparently explain to users the privacy practices of the app, with no hidden agendas, deceit or ambiguity.

Our privacy policy will use easy-to-understand language to ensure every user can clearly know how we handle data.

If any changes are made to the privacy policy, we will notify users in a timely manner and allow users to opt out.

Our privacy policy will not contain any content that violates public order, morals or laws.

We will strictly abide by the commitments made in the privacy policy, and nothing that violates user privacy expectations will happen.

Data Authorization and Licensing

We will not acquire any user data beyond what is necessary to provide app services.

We will not build complex user profiles or conduct any privacy-invasive data analytics.

Apart from the app’s own functions, we will not make additional decisions based on user data.

Users can view and withdraw data authorization at any time. We will provide corresponding functions for users to control their own data.

Data Processing and Storage

We will not aggregate user data with third-party data, nor merge or sanitize data.

We only process necessary data dynamically when users use the app, and do not store excessive data.

We will use encryption, anonymization and other technologies to minimize data risks during storage and processing.

Once data use is completed, we will delete it immediately and not exceed the time required for the data processing purpose.

Information Disclosure and Transparency

We will comply with government and legal requirements for data disclosure, but strive to limit disclosure to the minimum scope.

Except for legal requirements, we will not share user data with any third parties, including payment institutions, operators, etc.

We will report user data management status openly and transparently, including data flows, security incidents, etc.

Users can query all their data and download copies. We provide the relevant tools to accomplish this.

Security Precautions and Handling

We will implement necessary network segregation, access control, encrypted transmission and other security technology measures.

We will monitor and audit systems and employees as necessary to detect and record anomalous access.

Once any security vulnerabilities or incidents are discovered, we will notify users at the first time and take remedial measures.

We will conduct regular security assessments and engage third-parties to penetration test in order to improve security.

web:Who we are


Our website address is:


When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection.

An anonymized string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar service privacy policy is available here: After approval of your comment, your profile picture is visible to the public in the context of your comment.


If you upload images to the website, you should avoid uploading images with embedded location data (EXIF GPS) included. Visitors to the website can download and extract any location data from images on the website.


If you leave a comment on our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.

If you visit our login page, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.

When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select “Remember Me”, your login will persist for two weeks. If you log out of your account, the login cookies will be removed.

If you edit or publish an article, an additional cookie will be saved in your browser. This cookie includes no personal data and simply indicates the post ID of the article you just edited. It expires after 1 day.

Embedded content from other websites

Articles on this site may include embedded content (e.g. videos, images, articles, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.

These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracking your interaction with the embedded content if you have an account and are logged in to that website.

Who we share your data with

If you request a password reset, your IP address will be included in the reset email.

How long we retain your data

If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue.

For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.

What rights you have over your data

If you have an account on this site, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.

Where your data is sent

Visitor comments may be checked through an automated spam detection service.