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FAQ
IReader is an open-source eBook and document reader for Android devices. It allows you to read content from various sources, both online and offline, with a highly customizable reading experience.
Yes, IReader is completely free and open-source. There are no ads, in-app purchases, or premium features that require payment.
You can download IReader from the GitHub Releases page, F-Droid, or other trusted repositories. It is not available on Google Play Store.
No, IReader does not collect any personal data or reading habits. All your reading data stays on your device unless you explicitly create and share a backup.
Extensions are add-ons for IReader that provide access to different content sources. Each extension connects to a specific website or service to browse and download books.
Extensions are separate from the main app for several reasons:
- It keeps the main app lightweight
- It allows you to install only the sources you need
- It makes it easier to update individual sources
- It provides more flexibility for adding new sources
Extensions from the official repository are safe to install. They are reviewed before being added to the repository. You may see a security warning when installing, but this is because they're not signed with a Google Play certificate, not because they're harmful.
Go to the Extensions section and look for extensions with an update badge. Tap the update button next to each extension or use "Update All" if available.
There's no hard limit on the number of books you can add, but performance may decrease with extremely large libraries (thousands of books). Consider using categories to organize your collection.
Yes, you can import local eBook files. Go to the Browse tab, select Local Source, and navigate to the folder containing your eBooks.
Yes, you can create categories to organize your books. See the Categories guide for detailed instructions.
Long-press on the book, then select "Remove from library" or tap the trash icon.
Yes, IReader supports both paged mode (left-to-right or right-to-left swiping) and continuous scrolling mode.
Yes, you can customize font, size, weight, spacing, margins, colors, and more. See the Reading Books guide for details.
Yes, IReader includes text-to-speech functionality if your device supports it.
Bionic Reading Mode highlights the first part of each word to help your brain read faster by recognizing word shapes more quickly. This can improve reading speed and reduce eye strain for some users.
Yes, once you've downloaded chapters, you can read them without an internet connection.
Go to Settings > Backup and Restore > Create backup. You can choose what data to include in the backup. See the Backup and Restore guide for details.
Yes, create a backup on your current device, transfer the backup file to your new device, then restore from that backup on the new device.
Uninstalling IReader will remove all app data, including your library, reading progress, and settings. Make sure to create a backup before uninstalling.
IReader needs storage permission to:
- Save downloaded books and chapters
- Create and restore backups
- Access local book files
- Save reading preferences and settings
You can:
- Clear the cache in Settings > Advanced > Clear cache
- Delete downloaded chapters for books you're not currently reading
- Remove books you no longer need from your library
You can report bugs or request features through the GitHub Issues page. Please search existing issues first to avoid duplicates.
Sources can stop working for several reasons:
- The website changed its structure
- The source is region-blocked
- Your internet connection is having issues
- The extension needs to be updated
Try updating the extension or using a different source for the same content.
Source speed depends on:
- The server's response time
- Your internet connection
- How the source is implemented
- Whether the source has anti-scraping measures
Yes, you can request new sources through the GitHub Issues page. However, not all requests can be fulfilled due to technical limitations or legal considerations.
Try these steps:
- Update to the latest version of the app
- Clear the app cache
- Restart your device
- If the problem persists, check the Troubleshooting guide
See the "Extensions Not Installing" section in the Troubleshooting guide.
Make sure you're not filtering by category. Tap the category dropdown and select "All" or "Default". If books still don't appear, try refreshing the library by pulling down on the screen.