InkReader

InkReader is a distraction-free, modern EPUB reader built for phones, tablets, and Android-based E-Ink devices (BOOX, Bigme, Meebook). Designed for deep reading, it combines offline neural speech, soothing ambient audio, and an intelligent AI reading companion.

KEY FEATURES:

📖 Advanced Reading Experience
• Fast pagination and fluid EPUB rendering.
• Full typography control: font sizes, line spacing, margins, and custom .ttf/.otf fonts.
• Bionic reading mode for faster text comprehension.
• Reading statistics, streaks, and reading speed tracking.

🎙️ Offline Neural Text-to-Speech (TTS)
• High-fidelity neural voice synthesis running 100% on-device (Supertonic, Kokoro, Piper).
• No internet connection required during playback.
• Real-time sentence highlighting as text is read aloud.
• Instant page transitions with intelligent background pre-buffering.

🎧 Ambient Soundscapes & Sleep Timer
• Built-in calming sounds: gentle rain, cozy fireplace, brown noise, forest breeze, ocean waves.
• Background audio mixing with independent volume controls.
• Configurable sleep timer (15, 30, 45, 60 minutes) with gentle fade-out.

🤖 Spoiler-Free AI Companion
• "Catch Me Up": Returns a concise narrative summary of events up to your current chapter when returning to a book after a break.
• Contextual explanations and character lore queries based on your exact reading position.
• Compatible with Google Gemini, Groq, and OpenAI (bring your own API key).

⚡ E-Ink & Battery Optimized
• Pure black and white contrast modes for daylight readability and minimal battery drain.
• Full-screen refresh trigger to eliminate e-paper ghosting.
• Zero bloatware, zero background tracking.

☁️ Catalogs & Synchronization
• Built-in OPDS client for browsing Calibre Content Server, Standard Ebooks, and public domain libraries.
• Progress and bookmark synchronization via BookOrbit and KoSync.