Privacy Policy

Last updated: March 2026

What We Collect

Helium collects only what's needed to provide the service:

  • Email address (for account creation)
  • Cards, prompts, conversations, and context you save (your content)
  • Sync metadata (timestamps, device identifiers for multi-device sync)

What We Don't Collect

  • No analytics PII or behavioral tracking
  • No fingerprinting
  • No advertising data
  • No cross-app tracking
  • No selling of any user data

How Your Data Is Stored

Your data is stored locally on your device using SQLite. If you create an account, your data is also synced to Supabase (hosted on AWS) with row-level security — only you can access your data.

Screenshots are stored in Supabase Storage with per-user path isolation. No other user can access your files.

AI Features

When you use AI features (auto-crop, Ask Your Library, context management), your content is sent to Claude (Anthropic) via server-side edge functions. Your data is never used to train AI models. Anthropic's API has a zero-retention policy for API inputs.

The Claude API key is stored server-side and never exposed to the client.

Prompt Sharing

When you share a prompt publicly, only the prompt title, description, tags, variable names, and a text preview are visible. Your identity, email, and other account information are never shown on the public share page.

Account Deletion

You can delete your account at any time in Settings. This permanently removes all your data: cards, prompts, conversations, screenshots, embeddings, projects, and your auth account. Shared prompts are revoked. This action is irreversible.

Cookies

The web app uses HttpOnly, Secure, SameSite=Strict cookies for authentication only. No tracking cookies, no third-party cookies.

Contact

Questions about privacy? Email us at privacy@helium.app