Privacy Policy
Last updated: April 2025
1. What We Collect
We collect your email address when you sign up. We collect conversation data (your messages and AI responses) to provide the service. We collect basic usage analytics to improve the product.
2. How We Use Your Data
Your email is used for authentication only. Conversation data is used to provide continuity across sessions. We do not sell your data to third parties.
3. Third-Party Services We Use
Mindspar uses a number of trusted third-party services to operate. Below is a full list of providers we share data with, what data is shared, and why.
Anthropic
We send your conversation messages to Anthropic's Claude API to generate philosopher responses. This is the core function of the app. Your conversation content is processed by Anthropic in accordance with their API data usage policy. We recommend not including sensitive personal information in your conversations. Anthropic privacy policy: anthropic.com/privacy
Supabase
Our database and authentication provider. All your account data, conversation history, and settings are stored on Supabase servers located in the European Union. Supabase privacy policy: supabase.com/privacy
We use Google OAuth for account sign-in. When you sign in with Google, Google shares your name, email address, and profile picture with us. Google privacy policy: policies.google.com/privacy
Resend
We use Resend to send authentication emails including magic sign-in links to your email address. Resend privacy policy: resend.com/legal/privacy-policy
Vercel
Mindspar is hosted on Vercel's infrastructure. Vercel processes web requests and may log IP addresses and request metadata as part of normal hosting operations. Vercel privacy policy: vercel.com/legal/privacy-policy
We do not sell your data to any third party. We do not share your data with advertisers.
4. Data Retention
Active conversation data is retained for the duration of your account. Archived conversations inactive for 7 or more days are retained in read-only form. You may request deletion of your data by contacting us.
5. Cookies
We use essential cookies for authentication only. We do not use advertising or tracking cookies.
6. Your Rights
Under UK GDPR you have the right to access, correct, or delete your personal data. Contact hello@mindspar.app to exercise these rights.
7. Security
We use industry-standard security measures including encrypted connections and row-level database security.
8. Contact
Privacy questions: hello@mindspar.app