
Privacy Policy
Last updated: May 2, 2026
This policy explains how in prose handles your data during this early testing phase.
1. What data we collect
We store the information you provide, including:
- Account information (email, display name)
- Books you add to your library
- Status, ratings, reviews
- Activity (e.g., started/finished/reviewed)
- Friends list connections
- Timestamps of interactions
2. Where your data is stored
All data is stored securely in Supabase Postgres, hosted by Supabase. Supabase also manages authentication and session tokens.
3. Third-party services
in prose uses the following third-party services to provide its features:
- Supabase — database, authentication, and file storage. Hosts your account, library, social activity, and uploaded avatars.
- ISBNdb — book metadata lookup. ISBNs and search terms are sent to retrieve book information; no account or personal data is shared.
- Sentry — crash and error monitoring. Receives anonymised error reports (stack traces, device model, OS version) to help diagnose bugs. We do not send PII or content to Sentry.
- Apple Push Notification service (APNs) — delivers push notifications to your device when enabled.
We do not sell or share your personal information with advertisers or data brokers.
5. Why we store this data
We store this data to provide the app's core features:
- Tracking your reading
- Syncing your library
- Showing your activity feed
- Social features (friends & shared books)
6. Who can access your data
- Only you
- Users you explicitly connect with (for specific features)
- The developer (for debugging, app maintenance, and deletion requests)
7. How long we keep data
We retain your data until:
- You request deletion, or
- The beta ends and the app is shut down
8. Your rights
You may request:
- A copy of your data
- Correction of incorrect data
- Complete deletion of your account & all stored information
To make a request, email liam.inprose+ddrequest@gmail.com.
9. Security
Supabase provides encryption, row-level security, and authenticated access. While every effort is made to secure your data, no system is 100% secure.