MaruReader vs LibreDict
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MaruReader
Learn Japanese by reading manga, eBooks, and web content with an integrated dictionary. Instantly look up words, create flashcards, and utilize OCR for text recognition. Supports custom dictionaries and Anki integration for efficient vocabulary building.
- Instant word lookup
- OCR text recognition for manga
- Anki flashcard creation
- Custom dictionary support
- EPUB and ZIP/CBZ import
- Web browsing with dictionary
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MaruReader helps you make Japanese books, manga, websites, and videos part of your daily study routine. Look up unfamiliar words as you read or watch, save vocabulary to Anki, and learn a little more every day. POWERFUL DICTIONARY • Look up words across the book reader, manga reader, web browser, YouTube transcripts, and photo scanner • Hear pronunciations from audio sources you add, and include them in Anki notes • Automatically convert inflected words to dictionary form • Look up words within definitions to explore related vocabulary • Add dictionaries in Yomitan/Yomichan format, including bilingual, monolingual, pitch accent, and frequency dictionaries • Get started with included dictionaries, audio source, and grammar guide, or add your own grammar dictionaries READ MANGA WITH TEXT RECOGNITION • Recognize text on manga pages with on-device OCR, no preparation needed • Tap an area of the page, then choose a recognized word to look it up • Import ZIP/CBZ files from your collection • Prefer to prepare text ahead of time? Attach a mokuro file and MaruReader uses its text instead • Extract titles and authors from filenames on devices with Apple Intelligence enabled JAPANESE EBOOK READER • Enjoy vertical Japanese text (tategaki) • Look up words in a compact popup without leaving your book • Read EPUB files from your Japanese ebook collection BROWSE THE WEB WITH A DICTIONARY • Look up selected text or use OCR on visible webpage content • Read edge to edge with a floating toolbar that stays out of the way • Reduce ads and distractions with the built-in content blocker • Read web articles, online manga, and more LEARN FROM YOUTUBE • Open a video's transcript next to the player and tap any word to look it up • The transcript follows along as the video plays; pause, skip, or tap a timestamp to jump without leaving it • Save words to Anki with the sentence, a frame from the video, and a link back to that moment Transcripts are provided by YouTube and are available for videos that have them. PHOTO SCANNER • Take or import a photo to look up words on signs • Look up text in screenshots of apps and games • Share text or images from compatible apps for quick dictionary lookups ANKI INTEGRATION • After setup, save words from the reader to Anki with one tap, including context, readings, and definitions • Review and edit a note before adding it: reorder or remove values, add text, or choose a different audio clip or dictionary • When duplicate detection would reject a word, add it anyway from the editor • Use the built-in field mapping for the Lapis note type, or configure fields for your preferred note types • Connect to AnkiMobile on your device or to desktop Anki with the Anki-Connect add-on • Notes created through the Share extension for AnkiMobile are kept as pending notes you can send from MaruReader Anki integration requires a separate Anki setup. Install your chosen note type in Anki before configuring the integration. WHY MARUREADER? • Free and open source • No analytics or tracking • All text recognition runs on your device • Bring your own books, manga, and videos, and choose the dictionaries that suit your learning SCREENSHOT CREDIT The manga shown in the screenshots is used under the author's terms. Title: Give My Regards to Black Jack Author: SHUHO SATO
LibreDict
This app provides a fast, offline dictionary with over 300,000 words across five languages. It prioritizes privacy with no ads or tracking, offering a clean interface and customizable search results.
- 100% Offline access
- Five built-in dictionaries
- Supports four app languages
- Smart Arabic search
- Color-coded results
- Customizable dictionary order
- Import custom dictionaries
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LibreDict is a lightweight, ultra-fast dictionary built for focus and privacy. With over 400,000 words across six built-in dictionaries, you can search and learn without ever needing an internet connection. Key features: - 100% Offline: Every dictionary lives on your device — perfect for travelers and students. - Six Dictionaries Included: English (WordNet), Russian–English, Spanish–English, English–Spanish, Arabic–English, and Greek–English (both directions). - Five App Languages: Use LibreDict in English, Russian, Spanish, Arabic, or Greek — with full right-to-left layout for Arabic. - Smart Search: Type Greek without accents or Arabic without diacritics and still find the right entries. - Color-Coded Results: Each dictionary has its own colored stripe, so you instantly see where a word comes from. - Your Order, Your Way: Sort by relevance or put your preferred dictionaries first, and drag to reorder them. - Expandable Library: Import your own custom dictionaries via .json or .sqlite files. - Privacy First: No ads, no tracking, no accounts, no data collection. - Minimalist Design: A clean, fast interface optimized for readability. - Manage Sources: See each dictionary's source, entry count, and license, and switch any language pair on or off. LibreDict stays out of your way — just you and the words.
Screenshots
Verdict
The clearest difference is rating: MaruReader at 5.0 against LibreDict's 4.0. MaruReader also leads on update cadence (weekly vs every 4 weeks). LibreDict's advantage is iOS requirement (17.0 vs 26.0). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MaruReader holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively.
MaruReader ships an update weekly, LibreDict every 4 weeks. Both last shipped on October 24, 2026.
| Parameter | MaruReader | LibreDict |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 4 |
| Update frequency | Weekly — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 132 MB |
| Age rating | 17+ | 4+ |
| Developer | SAMUEL ALLEN SMOKER | KIRILL YUKHIN |
Customer experience
MaruReader
LibreDict
In-app purchases
MaruReader
No in-app purchases
LibreDict
No in-app purchases









