eBook Library — Privacy Policy

CJW Apps · Last updated 17 October 2026

eBook Library is an ebook reader and library for Android and Windows. This policy explains what the app does with your information. In short: we don’t collect anything. There is no account with us, no analytics, no advertising and no server of ours that your data goes to.

What stays on your device

Everything the app keeps is stored only on your phone or PC:

• your books, their covers and details, and your library;
• reading positions, bookmarks and their notes, and your settings;
• sign-in tokens for OneDrive and Google Drive, and passwords for any OPDS catalogues you add, in your system’s secure storage;
• a small diagnostic log, which never contains sign-in tokens or passwords. It stays on the device.

Uninstalling the app removes all of this.

Your cloud storage (OneDrive, Google Drive)

If you connect OneDrive or Google Drive, you sign in on Microsoft’s or Google’s own page; the app never sees your password. The app then:

• reads the files and folders you choose, to add those books to your library;
• writes to your files only when you ask it to: with Update original file you can choose to save a book’s details and cover back into its file.

Your files go straight between your device and Microsoft or Google; they never pass through a server of ours. Microsoft’s and Google’s own privacy policies apply to your storage with them. You can disconnect an account in the app at any time, and remove the app’s access in your Microsoft or Google account settings.

eBook Library’s use of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

Services the app contacts

To do what you ask, the app makes ordinary web requests to these services. They receive what any website receives (such as your IP address) and the search words or book you asked about. They receive no account or personal information from the app.

Service	When
Microsoft (OneDrive) and Google (Google Drive)	When you connect them and add or update books there
Project Gutenberg and Gutendex, Wikisource, the Internet Archive	When you browse, search or download free books
OPDS catalogues you add yourself	When you open them; your user name and password go only to that catalogue
Apple Books search, Open Library	When you use Find details online
Archive of Our Own	Opened in your web browser when you choose it

Purchases

eBook Library Pro is a one-off purchase made through Google Play or the Microsoft Store. The store handles the payment; we never see your payment details. The app only learns whether Pro is unlocked.

Children

The app is not directed at children and collects no information from anyone.

Changes

If this policy changes, the new version will be posted here with a new date.

Contact

CJW Apps — CJW-Apps@outlook.com