Jinshu Reader
EN/ZH/JA/KO Smart Annotations
Free · In-App Purchases
2.1: iCloud sync rebuilt — no more dropped highlights. Plus EPUB publisher styling, footnote popups, redesigned highlights, and TTS that plays nicely with music.
Stop looking up words. Start reading.
Jinshu is the only reading app that automatically annotates vocabulary in your language — for English, Chinese, Japanese, and Korean documents. Import any document, set your proficiency level, and read with instant translations right where you need them.
VOCABULARY ANNOTATIONS FOR EVERY LANGUAGE
English documents:
• 30,000-word dictionary with CEFR levels (A1–C2)
• Translations in 中文, 한국어, and 日本語
• IPA pronunciation for every word
Chinese documents:
• HSK 1–6 proficiency filtering
• Translations in English, Japanese, or Korean
• Pinyin readings available
Japanese documents:
• JLPT N5–N1 proficiency filtering
• Translations in English, Chinese, or Korean
• Furigana readings
Korean documents:
• TOPIK 1–6 proficiency filtering
• Translations in English, Chinese, or Japanese
THREE WAYS TO SEE ANNOTATIONS
• Above: translations appear above each word (like furigana)
• Inline: translations in parentheses after each word
• Tap: clean reading — tap any word to see its meaning
• All three modes work for every language
TAP ANY WORD TO LEARN IT
• Hear the word pronounced aloud
• See pronunciation, translation, and proficiency level
• Save words to your vocabulary list with sentence context
• Review with scientifically-spaced flashcards (FSRS algorithm)
• Export to Anki for cross-platform review
LISTEN TO DOCUMENTS READ ALOUD
• Neural TTS — natural, human-like voices running entirely on-device
• 8 English voice options (Kokoro 82M-parameter AI)
• Sentence-by-sentence highlighting as you listen
• Adjustable speed, sleep timer, background playback, lock screen controls
• Coexists with background music — your podcast or playlist keeps playing
• Completely offline — no streaming, no internet needed
A READER YOU'LL ACTUALLY ENJOY
• Preserves publisher styling: custom fonts, drop caps, chapter formatting
• Footnote popups: tap any reference to read it inline
• 5 reading themes: Light, Sepia, Dark, Calm, Slate
• Premium typography: Charter, New York, Palatino, Athelas, Iowan Old Style
• Upload your own .ttf/.otf fonts
• Fine-tune font size, line spacing, margins, alignment, indent, bold text
• Smart line-height adjusts automatically per display mode
• All settings apply instantly
IMPORT FROM ANYWHERE
• EPUB, PDF, Markdown files, or any web URL
• Share directly from Files, Safari, or any app via "Open with Jinshu"
• 5 classic English texts included free
• Duplicate detection prevents re-importing
HIGHLIGHTS, NOTES & SHARING
• Highlight text in 3 colors with continuous underline rendering
• Add notes to any highlight
• Copy quoted text with annotations preserved
• Share quotes as beautiful image cards
• Favorites and full-text search
SYNC EVERYWHERE
• iCloud — progress, favorites, highlights, vocabulary across devices
• Rebuilt sync engine in 2.1 — reliable conflict resolution, no dropped data
• LAN Transfer — send documents between devices over Wi-Fi (secured with session tokens)
• No account required to start
PRIVACY FIRST
• No account required. No ads. No tracking.
• Fully offline — dictionary, TTS, flashcards, everything.
• Your documents stay on your device (or your iCloud).
FREE VS PREMIUM
Free: 8 EPUB imports, A1–A2 / HSK 1–2 / JLPT N5–N4 / TOPIK 1–2 annotations, 50 saved words, 2 themes, system TTS
Premium: Unlimited imports (EPUB/PDF/MD/URL), all proficiency levels, unlimited vocabulary, Anki export, 5 themes, neural TTS, custom fonts, iCloud sync, LAN transfer
Plans: Monthly / Yearly / Lifetime
Terms of Use: https://jinshu.built4.fun/terms
Privacy Policy: https://jinshu.built4.fun/privacy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Jinshu 2.1 — More reliable, more polished.
iCloud SYNC, REBUILT
• Fixed 8 sync bugs that could drop highlights, vocabulary, or progress
• Conflicts now resolved by intent, not last-write timestamp
• No more sync ping-pong between devices
EPUB PUBLISHER STYLING
• Custom fonts, drop caps, and chapter formatting from EPUBs are now preserved
• Footnote popups: tap any footnote reference to read it inline
• EPUB3 navigation documents are skipped from the spine — cleaner table of contents
HIGHLIGHTS, REDESIGNED
• Continuous underline style — no more broken segments across line wraps
• Opaque, accessible highlight colors with cleaner contrast
• Redesigned highlight cards in the highlights drawer
• Copy text now includes annotations
TTS PLAYS NICELY WITH MUSIC
• Reading aloud no longer stops your music or podcast
• Background audio fades naturally around speech
CJK ANNOTATIONS, MORE ACCURATE
• Cross-CJK pipeline: Chinese ↔ Japanese ↔ Korean from a unified bridge dictionary
• Per-language annotation settings — set HSK and JLPT levels independently
• Frozen language detection — annotations stop changing language mid-document
• Critical CSS embedded in HTML — fixes CJK font-size flicker on first paint
• Old span-format annotations auto-upgrade to ruby format
POLISH & FIXES
• Immersive status bar restored in the reader
• iPad safe-area handling for top and bottom chrome
• Line-spacing changes survive re-opening a document
• Soft-deleted documents can be re-imported without conflict
• LAN Transfer secured with session token authentication
• Reader no longer shows garbled text on certain EPUBs
The developer, 建锋 林, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 建锋 林
- Size
- 176.4 MB
- Category
- Reference
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later.
- iPhone
- Languages
- English
- Age Classification
4+
- 4+
- In-App Purchases
Yes
- Jinshu Premium Yearly $29.99
- Jinshu Premium Lifetime $49.99
- Jinshu Premium Monthly $4.99
- Copyright
- © 2026 Sofish
