NeuroLang

Privacy Policy

Last updated: March 2025

1. Overview

NeuroLang ("we", "our", "us") operates the website neurolang.app. This Privacy Policy explains what data we collect, how we use it, and your rights regarding your information.

2. Data We Collect

Account data

When you sign in with Google, we receive your name, email address, and profile picture from Google. We store this in our database (Supabase) to identify your account and deliver the service.

Usage data

We track the number of AI requests you make in order to manage your credit balance. We do not store the content of your AI queries beyond what is needed to deliver the response.

App state

Your learning progress, language preferences, and session state are saved to your account so you can resume learning across devices.

Payment data

Payments are processed by Stripe. We never store your card details. We only receive a Stripe customer ID and payment status confirmation.

3. How We Use Your Data

  • To authenticate you and manage your account
  • To track and display your credit balance
  • To save your learning progress across sessions
  • To process payments via Stripe
  • To improve the service

4. Third-Party Services

  • Google OAuth — for authentication
  • Supabase — for database and authentication backend
  • OpenAI — for AI-generated content (vocabulary, stories, translations)
  • Stripe — for payment processing

Each of these services has their own privacy policy. We do not sell your data to any third party.

5. Data Retention

Your data is retained as long as your account is active. You may request deletion of your account and all associated data by contacting us at [email protected].

6. Cookies

We use session cookies for authentication only. We do not use tracking or advertising cookies.

7. Your Rights

You have the right to access, correct, or delete your personal data. To exercise these rights, contact us at [email protected].

8. Contact

For privacy-related questions: [email protected]