Last updated: June 5, 2026

1. Introduction

Welcome to Marginalia. This Privacy Policy explains how we collect, use, and protect your personal information when you use our app.

By using Marginalia, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

We collect the following types of information:

• Account information: email address, username, display name, and profile photo when you register.
• Content you create: books you add to your library, quotes you share, ratings and descriptions.
• Usage data: interactions such as likes, follows, saves, and notifications.
• Authentication data: if you sign in with Google, we receive your name and email from Google.

3. How We Use Your Information

We use the information we collect to:

• Create and manage your account.
• Display your library, quotes, and profile to other users.
• Send notifications about activity related to your content.
• Improve and maintain the app.

4. Data Sharing

We do not sell, trade, or rent your personal information to third parties.

Your public profile, books, and quotes are visible to other Marginalia users. You can delete your account and all associated data at any time from the Settings screen.

5. Data Storage