Privacy Policy — PenguiLearn

1. Introduction

PenguiLearn ("we", "us", or "our") is an AI-powered educational platform that helps students and parents create personalized study curricula and interactive learning exercises. This Privacy Policy explains what personal data we collect, why we collect it, how we use it, and what rights you have over it.

By using PenguiLearn, you agree to the practices described in this policy. If you do not agree, please discontinue use of the application.

2. Who We Are

PenguiLearn is owned and operated by:

3. Who This Policy Applies To

PenguiLearn is designed for:

• Students who use the platform to study independently.
• Parents who register to help their children learn and track progress.

4. Data We Collect

4.1 Registration Data

When you create an account, we collect your email address and password (salts/hashes are fully managed via Supabase Auth). Google and Apple OAuth logins yield basic profile metadata.

4.2 Onboarding & Study Content

We store onboarding survey selections, created curriculum titles, pasted study texts, uploaded PDF summaries, generated quizzes/matching games, and learning completion statistics.

4.3 Payments & Analytics

Payments are handled securely by Stripe and Apple. We do not store raw card credentials. We collect coarse, privacy-friendly usage metrics using Vercel Analytics.

5. OpenAI API Processing

Text and images submitted to generate educational curricula are processed securely through the OpenAI developer API (GPT-4o). Under OpenAI's developer agreements, data sent through this API is never used to train or retrain AI models, ensuring your study materials remain fully private.