MindHue Privacy Policy

Overview MindHue is a personal journaling and emotional wellness app. We are committed to protecting your privacy. This policy explains what data we collect, how we use it, and your rights.

Data We Collect

Data stored only on your device:

Journal entries and session content
Saved artworks and mind colors
Breathing and check-in preferences
App settings and onboarding state

This data never leaves your device unless you create an account.

Data stored if you create an account:

Email address — used only to deliver letters to your future self
Password — stored as a one-way hash (we never see your actual password)

We do not collect names, phone numbers, location, or any other personal information.

How We Use Your Data

To deliver scheduled "letters to your future self" by email
To sync your account if you sign in on another device

We do not sell, share, or use your data for advertising or analytics.

Third-Party Services

Supabase — used for account authentication and future-self letter delivery. Data is stored on Supabase's servers only when you create an account. See Supabase's privacy policy at supabase.com/privacy.
OpenAI — release session content is sent to OpenAI's API to generate artwork descriptions and session summaries. No personally identifiable information is included. See OpenAI's privacy policy at openai.com/privacy.