Effortless Reading and Book Tracking.
Zen is your personal EPUB reader with AI-powered summaries, chapter recaps, and reading insights - all running privately on your device.
A beautiful EPUB reader built with your privacy in mind.
Track your progress, reading habits, and improvement over time.
Choose from a selection of carefully curated fonts and themes to suit your reading style. Can't find what you're looking for? Contact me and I'll add it!
Jump back into any book without missing context - Zen catches you up instantly.
Simplify complex passages with one tap using on-device AI - no internet required.
Download 75,000+ copyright-free books from Project Gutenberg with just a tap.
Your data never leaves your device. Even Zen AI runs right on your phone - only you can see your activity.