Bookil vs Breu

Open any PDF the way you'd read a book. Bookil is a PDF reader for iPhone and iPad built around comfortable reading. Import from Files, Safari, or any share sheet to get started. Reading Pages render cleanly in single or two-page spread. Sepia and night modes, plus contrast and film grain adjustments, let you dial in exactly how it looks. Choose from page curl, slide, crossfade, or continuous scroll for page turns. Flip your device and Bookil switches layouts automatically. Covers and chapter-end pages stay centered, just like a physical book. Zoom Double-tap to zoom in on the exact spot you tapped. Pinch to adjust from there. Double-tap again to reset. Library Group PDFs into named collections. Lock private ones with Face ID or Touch ID. Bookil tracks what you've read, what you haven't, and where you left off—per book. Search, sort, filter, or select multiple books for bulk actions. Reading direction Switch between left-bound and right-bound for manga, technical books, or anything else. Export Export your full library as JSON and import it on any device. Runs on iPhone and iPad.

Read 2-3x faster while maintaining 100% comprehension. Breu uses scientifically-validated RSVP (Rapid Serial Visual Presentation) technology backed by 50+ years of cognitive research. WHY BREU WORKS Traditional reading wastes 40-50% of your time on eye movements. Breu eliminates inefficient saccades by presenting words at the Optimal Recognition Point (ORP)—exactly where your brain recognizes them fastest. INTELLIGENT FEATURES Adaptive Word Timing: Difficult words display longer, common words flash faster Smart Punctuation Pauses: Natural breaks at periods, commas, and paragraphs based on cognitive research ORP Centering: Each word positioned at the scientifically-proven recognition point (35% into the word) Progress Auto-Save: Pick up exactly where you left off Three Reading Themes: Light, Sepia, and Dark modes for comfortable reading Adjustable Speed: 100-1000 WPM range—find your perfect pace Share Extension: Import articles directly from Safari and any browser Multi-Article Library: Save and manage multiple articles with reading progress Swipe Gestures: Skip forward/back or pause without touching the controls PERFECT FOR Students tackling heavy reading loads, professionals with endless reports, researchers processing papers, book lovers optimizing their time, or anyone wanting to read more in less time. PRIVACY FIRST Everything stays on your device. We don't collect, store, or transmit any of your reading material. No analytics, no tracking, no servers. Your reading is completely private. SCIENTIFICALLY PROVEN Every feature is grounded in peer-reviewed research from leading cognitive scientists. Based on studies from Rayner, Potter, Just & Carpenter, and other pioneers in reading science. HOW TO USE 1. Paste text from clipboard, or share any article from Safari 2. Adjust your reading speed 3. Tap play and watch your productivity soar Start at 250-300 WPM and gradually increase as you get comfortable. Most users find their sweet spot between 400-600 WPM. No subscriptions. No ads. Just pure, scientifically-optimized speed reading. Transform your reading today with Breu.