Tianji Privacy Policy

Last updated September 20, 2026

This privacy notice for app.tianji.dev ("we," "us," or "our") explains how and why we collect, store, use, and/or share ("process") your personal information when you use our services ("Services"). This includes actions like:

• Visiting our website at tianji.dev, or any other website of ours that links to this privacy notice.
• Interacting with us in other related ways, such as during sales, marketing activities, or events.

If you have any questions or concerns about our privacy practices, reading this privacy notice will help you understand your rights and choices. If you disagree with our policies and practices, please refrain from using our services. For any further questions or concerns, contact us at [email protected].

Personal Data We Collect​

Information You Provide​

We collect the personal data you voluntarily provide when you register for our Services, express interest in obtaining information about us or our products and Services, participate in activities on the Services, or contact us directly.

The personal data we collect may include, but is not limited to:

• Email addresses
• Usernames
• Passwords

We encrypt sensitive information, such as passwords, to protect your data even if our database is compromised.

Personal Data We Obtain From Third Parties​

Single Sign-On​

If you sign up for our website app.tianji.dev through Google, you authorize us to collect authentication information, including your username, encrypted access credentials, and any other personal data available through your third-party application account.

How We Use Your Personal Data​

We use your personal data to:

• Provide, Improve, and Develop the Platform: We process your data primarily to ensure the proper functioning of our website. We may also use your data to improve our website and offer you the best possible experience. Specifically, we:
  • Operate and maintain your app.tianji.dev account, allowing you to access and use the Platform. Your email address and password are used to identify you when you log in.
• Maintain a Safe and Secure Environment: We process your data to enhance the security of our Platform, ensuring a safe experience for all users.

How We Share Your Personal Data​

We do not sell your personal data to external parties.

• Through Your Profile: Any personal data you choose to disclose in your public profile on app.tianji.dev will be visible to other users. They may view your profile information and interact with any public prompts you share.

• Compliance with Laws: We may disclose your personal data to courts, law enforcement agencies, or government authorities if required to:

  • Comply with legal obligations or processes.
  • Respond to claims against app.tianji.dev.
  • Address verified requests related to criminal investigations or alleged illegal activities.
  • Enforce our Terms of Use and other agreements.
  • Protect the rights, property, or personal safety of app.tianji.dev, its employees, and the public.

Data Storage and Location​

Tianji Cloud (app.tianji.dev) is hosted in Frankfurt, Germany. Customer data, including account information, analytics events, monitoring results and survey responses, is stored in a data center located in Frankfurt, within the European Union.

If you self-host Tianji, your data is stored wherever you deploy it.

Information Security​

app.tianji.dev implements technical, administrative, and physical safeguards designed to prevent unauthorized access, use, or disclosure of the personal data we collect or store. These measures are intended to ensure a level of security appropriate to the risk involved. We regularly monitor our systems for vulnerabilities and potential attacks. However, no internet transmission is completely secure, so you provide personal data at your own discretion and risk.

Contact Information​

For questions or complaints about this Privacy Policy or our practices, please contact us by email at [email protected].