OCAT Blog
Language learning philosophy from OCAT
These official OCAT articles explain why we focus on sentence-first learning, Japanese furigana accuracy, orthographic vs morphological furigana, listening practice, shadowing, and sustainable review.
All Articles
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OCAT feature highlights and learning flow
A practical overview of OCAT 9.0 features
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Accumulate ready-made sentences
No need to memorize verb forms
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About Memory
Forgetting is part of memory
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About Speaking and Listening
Let's train our ears together
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About Japanese furigana accuracy
OCAT provides a highly professional furigana system
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Why your Japanese furigana app does not look like a Japanese book
Morphological vs orthographic / kanji-unit driven: two routes for Japanese furigana
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Is shadowing really useful?
What matters most for improving foreign-language speaking ability
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Where is OCAT's Shadow feature, and how do I use it?
A practical guide to starting Shadow from Collections, recording your voice, and tracking progress
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Review system rationale
View our detailed algorithm simulation
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Why OCAT conversation mode leaves room to think
So “I do not know how to say it” can become a sentence you can use
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Practical Japanese for Travel: 120 Essential Phrases
120 practical phrases for convenience stores, transport, dining, accommodation, shopping, and sightseeing, designed for N4–N3 learners preparing for Japan
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JLPT N1 Grammar: 60 Memorable Original Example Sentences
Reviewed furigana, English translations, formation notes, and nuance guidance; the complete collection covers 96 grammar points in 343 original examples
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Business Japanese: 60 High-Frequency Workplace Phrases
Workplace introductions, task confirmation, and clarification with reviewed furigana, English translations, and usage notes; the complete collection contains 400 phrases
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Kyoto Dialect: 72 Modern Phrases and Traditional Kyō-kotoba
Modern endings, Kyoto street directions, and traditional Kyō-kotoba with reviewed furigana, standard Japanese, usage tiers, and a research bibliography headed by 京ことばの辞典―どうどす
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Natural Japanese Conversation: 60 Real-Life Expressions
Listener responses, requests for repetition, and checks for understanding with reviewed furigana, English translations, and tone notes; the complete collection contains 400 phrases
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Japanese for Life in Japan: 60 Real-World Phrases
Housing, utilities, mobile service, and municipal procedures with reviewed furigana, English translations, and practical notes; the complete collection contains 400 phrases
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JLPT N5 Grammar: 60 Essential Example Sentences
Noun sentences, particles, location, time, and basic verb forms with reviewed furigana, English translations, and grammar notes; the complete collection contains 200 examples
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JLPT N4 Grammar: 60 Essential Example Sentences
Plain forms, quotation, embedded questions, explanation, experience, and intentions with reviewed furigana, English translations, and notes; the complete collection contains 300 examples
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Spoken Japanese Contractions and Listening: 60 Real-Life Sentences
Practice てる, てた, てない, and とく／どく with full-form mappings and register notes; the complete listening collection contains 300 sentences
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From Daily Shadowing to Speaking Naturally 30 Days Later: How We Know When Practice Is “Enough”
Weighted progress from daily shadowing to natural recall 30 days later