Let Every Reading
Leave a Trace
Capture reading, excerpts and new words on your phone.Organize your books and write notes on your computer.
Read a paper book. Keep your phone nearby.
Start when you open a book. Capture ideas as they arrive.
- Time your reading and track each session
- Capture excerpts and jot down notes
- Scan unfamiliar words and save discoveries
- Add past sessions to your reading trace
Back at your desk, give your ideas room.
Organize your collection and turn scattered thoughts into full notes.
- Batch-organize books, categories and tags
- Write and edit notes on a spacious screen
- Find books and notes with keyboard shortcuts
- Import and export your reading data
One account keeps your books, reading sessions and notes together on mobile and web.
A Digital Study Built for Book Lovers
From collecting and timing to looking back — every stage of reading paper books
Books & Smart Shelves
Scan or add manually, organize with shelves and categories; save filters as smart shelves and batch-manage in bulk
Reading Timer & Trace
Tap once to start timing, pause and resume anytime; each day's reading lights up a green heatmap
Notes & Photo Excerpts
Rich text + Markdown notes; snap a book page, frame a passage, and text recognition inserts it into your notes
Vocabulary & Scan Lookup
Scan an unfamiliar character to look it up, save it to your vocabulary linked to the source book
Reading Insights
Reading-trace heatmap plus multi-dimensional analytics — preferences, spending, categories and favorite authors
Daily Echo & Milestone Seals
Past excerpts and words come back to you each day; the big moments on your reading path become vermilion seals
Every Feature, Crafted for a Better Reading Experience
Meticulously refined details that make reading quiet, and leave a trace
Time Every Session, See Your Streak Grow
The app opens straight to what you're reading: pick up a book, tap Start, and the timer counts every second as you read — pause and resume anytime, tap Finish and it's logged automatically. Each day's reading time lights up a green heatmap, so your reading streak is always in sight.
- One tap to start / pause / finish — time logged automatically
- A global timer bar stays put, even when you jump to notes or vocab
- Reading-trace heatmap tiered by duration, with per-day details
- Backfill past sessions and share a "What I'm Reading" poster
Your Personal Library, Perfectly Organized
Whether you own dozens or thousands of books, scan or add manually for quick entry. Organize with shelves and categories, save your go-to filters as smart shelves for one-tap access, and select multiple books to move, re-categorize or update in bulk.
- Scan / search / manual entry, with duplicate-ISBN alerts
- Custom shelves and categories, drag to reorder
- Smart shelves: save a filter view, return in one tap
- Batch move / categorize / change status / delete
Every Reading Moment Worth Capturing
Built-in rich text editor with Markdown support for capturing your insights anytime. Found a great passage? Snap the page, frame the text, and text recognition inserts it after a quick check — no more retyping. Turn notes into beautiful posters to share.
- Rich text + Markdown editor
- Notes automatically linked to books
- Photo excerpts: frame a passage, OCR inserts it into your note
- Generate beautiful poster images for sharing
See an Unfamiliar Character? Just Scan It
Stumbled upon an unfamiliar character or word? Point your camera and snap — text recognition identifies it, and the dictionary shows pronunciation, definitions, and common phrases. Save it to your vocabulary, linked to the book it came from.
- Scan a character to look it up
- Dictionary: pronunciation, definitions, phrases
- Save characters & words with one tap, linked to source books
- Browse by character / word, export anytime
Discover Yourself Through Data
The activity heatmap lights up every day you keep going; from reading counts and spending trends to category preferences and favorite authors, multi-dimensional data paints a complete portrait of your reading life.
- Activity heatmap with day streaks, tap any day for details
- Reading trends with monthly/yearly statistics
- Book spending trends and category analysis
- Category preferences and favorite-author rankings
- Home screen widgets keep your heatmap in sight
Quiet and Restrained, at Its Best
An ink-and-green Chinese aesthetic — every screen invites you to linger
Dushuji — Made for You
Whether you're a collector, note-taker, learner, or data enthusiast, Dushuji has you covered
Book Collectors
Have a large collection of physical books? Organize and search them effortlessly, say goodbye to chaos
Note-Taking Readers
Love capturing reading insights? Link notes to books and create beautiful sharing posters
Learning Readers
Love looking up words while reading? Keep every character and phrase in your vocabulary notebook for review anytime
Reading Data Enthusiasts
Curious about your reading habits and spending? Discover your true reading patterns through data
Choose Your Plan
Core features are free — upgrade to unlock the full experience
Free
Free forever, start now
- Book cataloging & smart shelves
- Status tracking & batch management
- Reading timer & reading-trace heatmap
- Reading notes & photo excerpts
- Scan to look up & vocabulary notebook
- Daily Echo & milestone seals
- Cloud sync and multi-device sign-in
Premium
Unlock all advanced features
- All free features included
- Unlimited books, notes & vocabulary
- Past-year reading statistics and annual book lists
- More study companions, objects and ambient sounds
- Premium skins: share covers / echo cards / seals
- Data export (books / notes / vocabulary)
Start Your Reading Journey
Download Dushuji — a quiet companion that turns every page you read into a lasting trace.