Privacy & Data

How Theostack handles your data

Theostack is designed with a clear separation between the curated theological library and your personal data. Your conversations, files, and account information are stored securely and are never used to train AI models.

What is sent to AI providers

When you ask a question, Theostack sends the following to AI providers (OpenAI for text and voice, Google Gemini for document processing):

• Your question and recent conversation context
• Retrieved library passages relevant to your question
• Your uploaded file content (only when using a Project with files)

What is not sent:

• Your email address or personal identifiers
• Your billing or payment information
• Other users' data or conversations
• The full theological library (only relevant passages are sent per query)

Conversation storage

Your conversations are stored in Theostack's database (Supabase). They persist across sessions so you can revisit previous research. You can delete individual conversations from the History tab.

Project file storage

Files uploaded to Projects are stored securely in Theostack's cloud storage. They are:

• Encrypted at rest
• Accessible only to you (or to organization members for shared Projects)
• Never mixed with the curated theological library
• Deleted permanently when you delete the Project

The library/user-content firewall

Your uploaded files and the curated theological library are completely separate systems. Your files are never added to the shared library, and library content is never stored in your personal file space. This separation is enforced at the infrastructure level.

Your rights

• You can delete your conversations at any time.
• You can delete your Projects and files at any time.
• You can request account deletion by contacting hello@theostack.com.

For the complete legal details, read our Privacy Policy and Terms of Service.