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Not another Japanese course. MemoCrow does one thing well: vocabulary. Capture any word you meet in one tap from a 200,000-entry dictionary or with the OCR scanner, then let FSRS, the most advanced spaced repetition algorithm, make sure it sticks for good.
Hi Product Hunt! 👋
'm Clément, a solo developer, and I've spent the past two years building MemoCrow.
First, what MemoCrow is not: it's not another Duolingo-style app that walks you through its own curriculum. Those are fine for day one, but if you're seriously learning Japanese (classes, textbooks, anime, manga, living in Japan), your real bottleneck is different: the thousands of words you encounter every day, and actually retaining them.
Every tool I tried for that had the same flaw: adding words was so tedious that I stopped doing it. So I built the one I needed.
In MemoCrow, you type a word (or scan a page with OCR) and everything reading, kanji, meaning is pulled from a 200,000-entry dictionary and scheduled for review instantly. The scheduling uses FSRS, a modern spaced repetition algorithm that adapts to your actual memory instead of fixed intervals like classic Anki.
What's inside:
• One-tap word capture + OCR scanner
• 70 curated lists (JLPT levels, counters, keigo, onomatopoeia…)
• Daily 5-minute workouts mixing flashcards, quizzes and sentence practice
• Stroke-by-stroke writing practice for hiragana, katakana and kanji
• Streaks, stats and a review forecast
MemoCrow doesn't replace your teacher, your textbook or your immersion — it makes sure the vocabulary you meet there actually sticks.
The free tier has no time limit. For the PH community, the promo code PRODUCTHUNT unlocks 1 week of MemoCrow Plus — I'd love your feedback, especially from fellow Japanese learners.
Ask me anything, I'll be here all day!
the one-tap capture from the OCR scanner is a really smart touch, feels like they actually thought about the friction of pulling words out of anything you're reading instead of making you retype them.
Love how focused this is on vocab and the FSRS integration sounds great. One idea though: it would be really helpful to have example sentences or short audio pronunciations pulled in automatically with each new word, so I can hear and see how it's actually used instead of just memorizing the meaning in isolation.
About MemoCrow on Product Hunt
“Japanese vocabulary that sticks, powered by FSRS”
MemoCrow was submitted on Product Hunt and earned 0 upvotes and 5 comments, placing #25 on the daily leaderboard. Not another Japanese course. MemoCrow does one thing well: vocabulary. Capture any word you meet in one tap from a 200,000-entry dictionary or with the OCR scanner, then let FSRS, the most advanced spaced repetition algorithm, make sure it sticks for good.
MemoCrow was featured in Android (57.4k followers), Education (78.8k followers) and Languages (14.4k followers) on Product Hunt. Together, these topics include over 78.8k products, making this a competitive space to launch in.
Who hunted MemoCrow?
MemoCrow was hunted by clement tatangelo. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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clement tatangelo