Last updated: May 7, 2026

Overview

Gibberfish is committed to protecting your privacy. This policy explains what data we collect, how we use it, and your rights.

Data We Collect

Account Information

When you create an account, we collect your email address and a securely hashed password. This is used solely to authenticate you and sync your progress across devices.

Vocabulary and Progress Data

Words you save, stories you read, and your review history are stored to provide the core features of the app.

AI Tutor and Story Content

When you use the AI tutor or read AI-generated stories, your input is sent to Anthropic's API to generate a response. We do not store these conversations. Anthropic's privacy policy applies to data processed by their API: anthropic.com/privacy

Purchase Information

If you subscribe to Gibberfish Pro, your purchase is processed through Apple and managed by RevenueCat. We receive your subscription status but never your payment details. RevenueCat's privacy policy applies: revenuecat.com/privacy

How We Use Your Data

• To create and manage your account
• To sync your vocabulary and progress
• To provide AI-powered features
• To manage your subscription