Pagetwin - The Ultimate Dual-Screen Study Reader
Pagetwin is the ultimate dual-screen study reader that lets you seamlessly combine and view different pages of the same PDF, two completely different PDFs, or even standard text files side by side.
Key Features
Dual Top-and-Bottom Display
Perfect for exam prep and study sessions. Display questions and answers, or source text and translations, side by side for effortless referencing.
Two-Page Spread View
View up to 4 pages simultaneously in spread mode, giving you a panoramic overview of massive amounts of information.
Full Vertical Text Support
Completely optimized for traditional Japanese vertical reading. Enjoy an immersive, top-tier reading experience.
Flexible Page Navigation
Navigate your way—use taps, swipes, buttons, or sliders depending on your current setup.
Instant Layout Switching
Toggle between dual-screen and single-screen modes in a flash. Switch to single-screen whenever you need to dive deep and focus.
Blazing-Fast Performance
Handles large, self-scanned (DIY) PDFs smoothly without slowing down. Built to be a powerful, full-featured document viewer.
Rich Organization & Annotation Tools
Includes nested folder bookshelves, cover thumbnails, bookmarks, highlighters, notes, and screenshot tools.
Answer-Hiding Mode
Turn on the Hide Button to mask either the top or bottom screen. Hide the answer while you solve the question, then reveal it when you're ready to check your work.
Built-in Entertainment & Tools
Great for reading manga or novels, or practicing math with the built-in scientific calculator. Refresh your mind while staying in your study flow!
Developer Note
Built with passion by a developer who holds over 20 Japanese national qualifications.
The possibilities are endless—pair a notebook with a workbook, or compare an English book side by side with a dictionary. Experience a brand-new way of comparative reading that feels as natural as physical paper books.
Perfect not only for studying, but also for organizing work documents and personal hobbies.
Read two pages side by side. A dual-pane PDF reader built for studying.