Leaf & Spine: Reader & Tracker

Transform your reading. Build your sanctuary.

Leaf & Spine is a premium, distraction-free reading app designed to help you focus, build daily reading habits, and unwind. With a stunning 3D bookshelf, powerful annotation tools, and comprehensive reading stats, it’s the ultimate home for your PDFs, EPUBs, Audiobooks, and Comics.

Whether you are annotating university PDFs, diving into a CBZ manga, or tracking your daily reading streak, Leaf & Spine adapts to your style. Read normally for free, or upgrade to Premium for deep analytics, immersive focus sessions, audiobook support and cloud backups.

POWERFUL READING & STUDY TOOLS

• Format Mastery: Seamlessly import and read PDF, EPUB, CBR, and CBZ files, or listen to Audiobooks. Perfect for novels, documents, comics, and manga.
• Smart EPUB Reading: Highlight text, add custom notes, use the built-in dictionary/translator, and even draw directly on your pages.
• Text-to-Speech (TTS): Rest your eyes and listen to your EPUBs on the go.
• Custom Themes: Personalize your reading interface with beautifully designed light and dark themes (2 free themes included).

HABIT TRACKING & DEEP STATS (Premium)
Turn reading into a daily habit with our comprehensive analytics dashboard.

• Set Your Goals: Track your daily reading streak and hit your weekly goals.
• Monitor Your Progress: View total books read, audiobooks listened to, pages turned, and chapters completed.
• Time Analytics: Track your total time read, time listened, and time spent in ambient focus environments.
• Study Metrics: Keep a log of your highlights, notes taken, drawings done, and total words looked up in the dictionary.

FOCUS SESSIONS & AMBIENT ENVIRONMENTS (Premium)
Step into the right headspace with dedicated, time-based Reading Sessions.

• Time-Based Focus: Set a timer, block out distractions, and enter deep reading mode.
• Contextual Atmospheres: Focus Sessions unlock immersive 3D reading environments. Escape to a Cozy Fireplace, a Peaceful Beach, a Waterfall, or a Rainy Window.
• Noise Masking Audio: Each environment features high-quality ambient soundscapes designed to mask external noise and enhance your concentration.

CUSTOMIZE YOUR 3D LIBRARY

• Stunning Bookshelf: Organize your entire collection on a beautifully rendered 3D shelf.
• Spine Customization: Personalize every book in your library. Change spine colors, add patterns, and flip books to see custom front and back covers.
• More Themes: Unlock additional premium reading themes to perfectly match your aesthetic.

PRIVATE & SECURE

• No personal data or forced logins required to start reading.
• Google Drive Backup (Premium): Securely sync your library, stats, and custom bookshelf to the cloud so you never lose your progress.
• Anonymous authentication with secure, server-side validation.

PERFECT FOR:

1. Students & Researchers who need to highlight, draw, annotate, and track study time.
2. Fiction Lovers looking for a beautiful EPUB and Audiobook reader with built-in habit tracking.
3. Comic & Manga Fans needing clean CBR and CBZ support.
4. Aesthetic Enthusiasts who want to customize a gorgeous digital bookshelf.

Download Leaf & Spine today to track your stats, build your reading habit, and create the perfect atmosphere for your digital library.

CONTENT NOTICE:
Leaf & Spine does not provide, host, or distribute books. Users import and read their own legally obtained files.

Recent changes:
A big update for a better reading experience.

• Natural Voices, Made on Your Phone
• Better Page Turns
• Five More Languages
• Four New Typefaces
• Reading Presets
• Delete Your Annotations
• Settings That Stay Put
• Premium Works Offline
• Reading Fixes
• More Improvements and bugfixes