Analyze grammar, vocabulary, and sentence structure easily! Ask follow-up questions to understand every details of any foreign sentence.
Morpho is an AI-powered grammar analysis assistant for language learners, with deep support for Japanese and English.
Enter any Japanese or English sentence and Morpho helps break down grammar, sentence structure, and context. Use it with textbook examples, reading passages, screenshots, or your own writing to understand every layer clearly.
Key features:
- English sentence analysis
Review parts of speech, syntactic relationships, and structural breakdowns. AI chat now fully supports English for freeform questions and study, complete with natural voice readout. (Switch anytime in Settings > Language)
- Japanese sentence analysis
Review parts of speech, semantic structure, grammar relationships, and contextual explanations.
- Multilingual Japanese dictionary
Look up meanings, readings, parts of speech, and usage, and understand each word in context. Dictionary definitions are available in multiple languages, including French.
- Japanese JLPT grammar example collection
Download curated Japanese JLPT N1 and N2 grammar examples, listen to pronunciation offline, and view translations, sentence breakdowns, and AI analysis.
- Free AI chat
Ask follow-up questions about grammar, nuance, natural phrasing, and usage, powered by leading models including GPT-6.
- Multiple analysis modes
Choose the depth and style that fits your study needs.
- Natural voice readout
Listen with natural TTS audio, supporting authentic Japanese and English voices with adjustable speed and speaker options.
- AI voice recognition
Turn speech into text for faster, more convenient input.
- Sentence favorites
Save useful sentences and revisit their analysis, translation, and audio later.
- Image text recognition
Extract Japanese and English text from books, handouts, screenshots, or photos, then analyze it or ask questions.
- Optimized landscape mode
Supports iPhone landscape mode with refined safe area layouts, offering a wider view for reading long sentences and typing.
- Share & Action Extension parsing
Select text in Safari or other apps and use the system Share or Action Extension to view instant AI analysis in a floating sheet without switching apps.
- Local study history and iCloud sync
Keep conversations and study records on your device for easy review, and sync conversations, messages, and favorites across your devices with iCloud.
Morpho is designed for learners studying Japanese or English, reading foreign texts, preparing for exams, or anyone who wants clearer insight into language expression.
Start with one sentence and see language more clearly.
Terms of Use: https://www.jyuuroku.com/morpho/terms
Privacy Policy: https://www.jyuuroku.com/morpho/privacy
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- New ebook reader: Import books and translate or analyze sentences as you read to deepen your understanding.
- Background replies & completion alerts: Keep receiving replies after switching apps, within the system’s background time limit. Enable completion alerts in Settings to be notified when a reply is ready.
- Sentence Player UI & Read-Along Highlighting: Refined audio player controls across sentence details and conversations for a lighter, cleaner interface; newly generated speech now tracks words in real time for effortless shadowing.
- Enhanced Text Recognition (OCR) Accuracy: Greatly improved image OCR recognition and language model matching for higher Japanese and mixed-text accuracy; redesigned oriented polygon selection boxes and auto-centered list scrolling for seamless tapping and text selection.
- GPT-6 Support: Now powered by the latest GPT-6 model in AI model selection, delivering faster and sharper responses for deeper grammar explanations and natural conversations.
- Enhanced Table Design & Gestures: Refined conversation tables with a modern minimalist aesthetic, and polished horizontal dragging gestures for smoother, natural navigation.
- Message Send Animation: Added smooth and natural transition animations when sending messages, making conversations feel more lively and seamless.
- Easier listening in example collections: Lesson shortcuts help you find the lesson you want, even in a long collection. In immersive playback, selecting a lesson starts from its first sentence.
Thank you for using Morpho! If Morpho has been helpful to you, we would really appreciate your support. Your 5-star rating means a lot to us. If you run into any issues, you can contact us in the app through Settings > Support.
Version 1.2026.015
The developer, 志颖 吴, 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 Linked to You
The following data may be collected but it is not linked to your identity:
User Content
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
志颖 吴
Size
57 MB
Category
Reference
Compatibility
Requires iOS 17.0 or later.
iPhone Requires iOS 17.0 or later.
iPad Requires iPadOS 17.0 or later.
Mac Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
Apple Vision Requires visionOS 1.0 or later.
Languages
English and 5 more
English, French, Japanese, Korean, Simplified Chinese, Traditional Chinese