Corodomo
Turn any video into a language lesson with AI
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Corodomo turns YouTube videos, anime and podcasts into interactive lessons for Japanese, English, Chinese and Korean: shadowing with syllable-level AI pronunciation scoring, dictation that highlights exactly what you misheard, clickable subtitles with one-tap flashcards, AI quizzes, and CoroAI speaking roleplay. Web, iOS, iPad, Mac and Android. Start learning without signing up.
PH · launched Nov 5, 2026 · 2 upvotes (top 19%) · 0 views
Niche: language learning apps · 511 launches, 50 in the last 7 days ▼ -6% · Explore this niche →
Category and tags
- Education
- Content generation
- B2C
- AI-native
- Commercial product
- Android
- Education
- Languages
- Artificial Intelligence
Visit website ↗ Source listing ↗
More like this: all 511 launches in language learning apps →
Could you build this?
Partial Video-to-lesson UI, subtitles, flashcards, and quizzes are vibe-codeable. Syllable-level pronunciation scoring needs speech models or assessment APIs tuned for each language, which is harder to get reliably right.
What it would actually take: The core stack is a web app with YouTube/transcript ingestion, spaced-repetition flashcards, and LLM-generated quizzes. The hard part is accurate phoneme- or syllable-level pronunciation scoring, which typically means a forced-alignment model (e.g., Montreal Forced Aligner or a commercial pronunciation-assessment API) plus per-language tuning and labeled speech data. That needs speech/ML expertise and a validation set.
Competitors
Other products that read as similar to this one : 1059 launches clear the similarity bar, closest 8 shown.
Attention rank: #131 of 1060 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 364 days after the earliest competitor.
- Chorus: AI Listening Lab · ph · 2026-11-09 · 1 upvotes · similarity 0.56
- EchoPod · ph · 2026-10-05 · 1 upvotes · similarity 0.55
- EarDub · ph · 2026-10-13 · 1 upvotes · similarity 0.54
- Easyimate · ph · 2026-10-22 · 2 upvotes · similarity 0.52
- EchoPod · ph · 2026-11-12 · 1 upvotes · similarity 0.51
- Maho Japanese · ph · 2026-10-08 · 1 upvotes · similarity 0.51
- AI Recognizer · ph · 2026-09-30 · 1 upvotes · similarity 0.51
- VoiceBoo · ph · 2026-09-17 · 1 upvotes · similarity 0.50
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