DeltaScroll

Delta Scroll is a fast, privacy-first EPUB reader built for focused, flexible reading.

Import your own EPUB files from your device, file manager, or share menu and keep reading offline. Build a personal library, organize books into shelves, mark favorites, and jump back into books in progress without losing your place.

Customize the reading experience to match your style with adjustable themes, font size, spacing, and page view options. Highlight passages, add notes, create bookmarks, and keep track of your progress as you read.

Delta Scroll also includes optional online features when you want them. Discover public-domain books through Project Gutenberg, use read-aloud with selectable voices, and back up your library to Google Drive.

Features:
• Import and read EPUB files
• Offline reading for saved books
• Highlights, notes, bookmarks, and progress tracking
• Custom themes, font size, spacing, and reading preferences
• Shelves, favorites, and library organization
• In-book search and quick text actions
• Project Gutenberg discovery and downloads
• Optional Google Drive backup

No account is required for the core reading experience. Delta Scroll is designed to help you read comfortably, stay organized, and keep your library close at hand.