Support
Have a question, found a bug, or have a feature request? Get in touch — we're happy to help.
When reporting a problem, please include your iPhone model and iOS version so we can help faster.
Frequently Asked Questions
How do I add a book?
Tap “+” and scan the ISBN barcode on the back of the book — title, author, cover, and description are loaded automatically. You can also add books manually.
A cover or detail is missing — what can I do?
Not every book is listed in all databases. You can edit the cover, title, description, and every other field yourself at any time in the detail view.
Is my data backed up?
Your library is stored on your device and is included in your iPhone backup (iCloud backup or Finder/iTunes). With iCloud enabled, BookSafe additionally keeps your library in sync across your devices via your private iCloud. Via “Settings → Data Export” you can additionally export your books as CSV or PDF.
How does sync between iPhone and iPad work?
BookSafe uses your private iCloud (Apple CloudKit): if you’re signed in with the same Apple ID on both devices and iCloud is enabled for BookSafe, your devices stay in sync automatically — no sign-up needed. You can see the status in the app’s settings; to turn sync off, use the iOS Settings (Apple ID → iCloud → BookSafe).
Privacy Policy
Last updated: July 2026
BookSafe is built so that your data belongs to you. There is no user account, no sign-up, no advertising, and no tracking.
What data does the app process?
- Your library (books, ratings, notes, reading progress, reading sessions) is stored on your device and — if iCloud is enabled — synced via your private iCloud (see “iCloud sync”). We have no access to it.
- Camera: During an ISBN scan, the camera is used only to detect the barcode. No images are stored or transmitted.
- Photos: If you choose a cover from your photo library, only that single image is imported into the app.
- Notifications: Release reminders are scheduled locally on your device.
iCloud sync
To keep your devices in sync, BookSafe uses the private iCloud database of your Apple account (Apple CloudKit). Your library is processed by Apple as part of your iCloud storage; Apple’s privacy policy applies. There is no BookSafe account and there are no BookSafe servers — we have no access to the contents of your private iCloud. You can disable sync for BookSafe at any time in the iOS Settings (Apple ID → iCloud); the app also works without iCloud and offline.
Network connections
When you scan an ISBN or search for a book, the app fetches publicly available book metadata (title, author, cover, description) from third-party providers. Only the relevant ISBN or your search term is transmitted — no personal data. Services used: the German National Library, K10plus (GBV/SWB), lobid (hbz), the Library of Congress, Open Library, Apple iTunes, Wikidata, and cover image servers (e.g. Amazon CDN). Their respective privacy policies apply to their data processing.
What we do NOT do
- No analytics or tracking services
- No sharing or selling of data
- No advertising networks
- No user accounts
Children
The app collects no personal data and is suitable for all ages.
Controller
Controller for data processing: Fabian Grill (Sisofa), kontakt@sisofa.de
Contact
Privacy questions? kontakt@sisofa.de
Contact
BookSafe is developed by a family in southern Germany, appearing publicly as Sisofa.
Sisofa
Fabian Grill
Email: kontakt@sisofa.de
BookSafe is not a company: no team, no investors, no ad revenue. The app is distributed exclusively through Apple's App Store.