Privacy policy
Last updated: May 28, 2026.
This policy is in interim form pending review by counsel. It will be updated before public launch.
Casebound is built by Pixel Master Technologies LLC ("we," "us," "our"). This policy explains what information we collect, how we use it, and the choices you have. We've tried to write it in plain language. If anything's unclear, email us at support@pixel-master.com.
What we collect
Account information. When you create a Casebound account, we collect your email address and a hashed password. If you sign in with Apple or Google, we receive the email associated with that account and an opaque identifier — we never see your Apple or Google password.
Books in your library. The books you add, their reading status, your ownership and format records, your reading sessions, your notes, your lists. This is the data that makes Casebound work for you.
Book metadata. When you scan an ISBN or search for a book, we look up its metadata (title, author, page count, cover image) from public sources (Open Library, Google Books, Hardcover). If you correct a wrong record, the correction improves the shared metadata cache for all users.
Technical information. Device type, OS version, app version, and basic crash diagnostics, collected via Sentry. When and if we add product analytics (planned via PostHog), it will be limited to aggregate usage patterns — never personal content. We will update this policy before adding analytics.
Payment information. If you subscribe to Pro, your payment is processed by Apple, Google, or RevenueCat. We never see or store your credit card or bank information. We only receive your subscription status and a transaction identifier.
How we use it
- To provide Casebound — your library, your stats, your lists.
- To improve book metadata for all users (your corrections, anonymized).
- To diagnose crashes and bugs.
- To process subscription payments.
- To send essential service emails (account verification, password reset, billing receipts). No marketing emails by default; opt-in only if added later.
We do not sell your data. We do not share it with advertisers. We do not build a profile of you for any purpose other than running the service.
Third-party services
- Supabase — hosts our database, authentication, and file storage. US-based.
- Sentry — collects crash reports. US-based.
- PostHog — will collect aggregate analytics if and when we add it. We will update this policy first.
- RevenueCat — handles subscription state. US-based.
- Open Library, Google Books, Hardcover — public metadata sources we query.
Your rights
You can:
- Access your data — everything Casebound has about you is visible in the app.
- Correct your data — edit any record, anytime.
- Export your data — Pro users can export to CSV or JSON.
- Delete your account — Settings → Account → Delete account. This permanently removes your account and personal data within 30 days. Anonymized metadata corrections may remain in the shared cache.
EU/EEA, UK, and California users have additional rights under GDPR / CCPA — to request access, correction, deletion, and to object to processing. Email support@pixel-master.com for any rights request.
Children
Casebound is not directed to children under 13. We do not knowingly collect data from anyone under 13. If a minor under 13 has created an account, please email support@pixel-master.com and we will delete it promptly.
International transfers
Casebound is operated from the United States. By using the service, you consent to having your data transferred to and processed in the US.
Changes
We'll update this policy as the service evolves. Material changes will be announced in-app and via email if you have notifications enabled. Continued use after a change constitutes acceptance.
Contact
Pixel Master Technologies LLC
[Address — placeholder, confirm before public launch]