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Review basis

Research-based review: the AppDuo Editorial Team compiled it from official pages, documentation, app stores, press and user feedback, without hands-on testing. Every claim links to a source with the date it was checked.

22 reference sources

Information updated Nov 10, 2026

How we review
Corodomo logo

Corodomo Review

Video-based language learning with 1:1 AI shadowing coaching and speaking practice

Editorial Team8.5/10Write the first review

By Official AppDuo editorial team · Updated

  • Web
  • iOS
  • Android
Freemium · ₫179,000/mo
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Our verdict

Corodomo stands out for its connected video-learning workflow: bilingual subtitles, pronunciation guides, sentence-level practice and detailed AI pronunciation feedback, with tools spanning listening, speaking, reading and writing. Its 1:1 AI shadowing coach, CoroAI conversations and topic-based curated library give practice more direction; frequent AI users should choose a plan with enough allowance.

Best for: Learners who want guided 1:1 shadowing: listen, understand, overlap-read, record, review feedback and retry at their level

Skip it if: Learners seeking a human teacher to review every submission; AI Coaching provides AI feedback

Pros

  • Bilingual subtitles, furigana/pronunciation guides and sentence-level practice connect listening, reading, vocabulary lookup and model-speaker imitation
  • AI scores sentences and words, highlights mispronunciations or omissions and gives accuracy, fluency and completeness feedback for targeted retries
  • 1:1 AI shadowing coaching covers goals, level selection, listening, comprehension, overlap reading, shadowing, submission, correction and progress tracking

Cons

  • Speaking, detailed pronunciation scoring and subtitle generation share an AI allowance; frequent users should review the metering rules when choosing Free, Plus or Pro
  • Self-imported videos may need subtitle review or correction; automatic transcription quality should be distinguished from curated library material
All pros and cons · Who is it for?

Pros

  • CoroAI offers situational conversation, including Japanese kaiwa and AI speaking; dictation, translation, flashcards, quizzes and exam practice extend coverage across all four skills
  • A topic- and level-based curated library covers everyday life, business, IT and news; the Corodomo team says its library videos are reviewed and include an IT Passport course

Best for

  • Japanese learners practising kaiwa and workplace or specialist language through video, alongside AI speaking practice
  • Learners combining listening, speaking, reading and writing on the same material through subtitles, lookup, dictation, translation, quizzes and flashcards

Skip it if

  • Learners who need unlimited AI speaking or subtitle generation on a free plan

Problems it solves

Experience & key features

Video learning, subtitles and pronunciation guides

Corodomo centres learning on video: bilingual subtitles, Japanese furigana and English IPA connect audio to spelling and meaning. Replay or slow individual sentences, look up words in context, complete dictation, translation and quizzes. These activities connect listening, speaking, reading and writing within a lesson; flashcards support revision, while AI-graded HSK tasks add writing practice. This is not a complete essay-writing curriculum.

The library is organised by topic and level. In information supplied on 10 November 2026, the Corodomo team describes selected, reviewed everyday, business, IT and news content and an IT Passport course. You can also import your own videos, but automatic transcripts need checking; the library review process should not be assumed to cover every import.

1:1 AI Coaching: a guided shadowing cycle

AI Coaching organises shadowing into a guided practice cycle. Set your language, level, goal and schedule to receive a suitable short task, then listen to the model, read the script and translation, overlap-read and shadow without text. Adjust the speed as needed before recording and submitting the full task.

AI returns word and sentence feedback, flags mispronunciations or omissions and explains corrections. Compare your recording with the model, retry weaker sentences and review previous submissions; the coach uses practice history to guide next steps. The value lies in feedback followed by targeted retries. Coaching is provided by AI, not a human teacher.

Japanese kaiwa, AI speaking and contextual revision

Beyond model-speaker imitation, CoroAI offers conversations based on situations and video content, such as ordering food, workplace communication, interviews and presentations. Japanese learners can practise kaiwa, while English learners use AI speaking practice on relevant material.

Flashcards, quizzes, summaries, mindmaps and questions reinforce vocabulary and grammar from the lesson. Together, these modes connect comprehension to active language use rather than passive video viewing. JLPT, HSK and TOEIC practice adds exam-oriented options.

Screenshots

Study-mode menu for a video: Shadowing, Pronunciation, Dictation and AI Summary
Study-mode menu for a video: Shadowing, Pronunciation, Dictation and AI Summary
Japanese–Vietnamese bilingual subtitles with furigana, synced sentence by sentence
Japanese–Vietnamese bilingual subtitles with furigana, synced sentence by sentence
Pronunciation practice: read each sentence aloud, record it and get AI scoring
Pronunciation practice: read each sentence aloud, record it and get AI scoring
Web app: paste a YouTube link to create a lesson, plus a video library filtered by topic and level
Web app: paste a YouTube link to create a lesson, plus a video library filtered by topic and level

Plans & pricing

Prices last verified Nov 10, 2026

Free (Cơ bản)

Personal

Free

Limited number of viewable videos, up to 3 uploaded videos, 1 hour of AI quota per month, standard AI speed.

Plus

Personal

₫179,000/mo

₫116,000/mo billed yearly

30 AI hours/month, full video library, add any video, AI pronunciation practice, CoroAI speaking, AI Coaching, videos up to 2 hours, no ads, 4 devices. Yearly plan billed at 1,392,000 ₫; or a one-time 2,990,000 ₫ lifetime payment.

Pro

Personal

₫399,000/mo

₫263,000/mo billed yearly

Everything in Plus, plus 100 AI hours/month, videos up to 4 hours, bulk video import, advanced AI models, improved subtitles and translations, early access to new features. Yearly plan billed at 3,156,000 ₫; or a one-time 5,999,000 ₫ lifetime payment.

Free plan limits
The current pricing page lists limited video access, up to 3 imports and 1 monthly AI quota hour. The quota guide lists existing subtitled videos, lookup, dictation, translation, quizzes, summaries, mindmaps and flashcards as unmetered; subtitle generation, detailed pronunciation scoring and speaking share the allowance.
Free trial
No free trial
Cancellation & refunds

Under the refund policy (effective 11 Oct 2026), web purchases are final except for duplicate charges, charges after cancellation, plans not activated within 7 days, a core paid feature down for more than 7 consecutive days through Corodomo's fault, or unauthorized transactions; requests must be made within 30 days. No refunds for forgetting to cancel, changing your mind or used AI time. App Store/Google Play purchases are refunded by Apple/Google under their own rules.

Privacy

The policy identifies Soniox, OpenAI, Google Gemini and Anthropic Claude and describes the data each receives. Corodomo describes in-app consent before AI processing, restrictions on training use and email-based access, correction, deletion and export requests. It states it does not download or store YouTube videos. More explicit retention periods and legal contact details would improve transparency; this describes published policy rather than a security audit.

Official pricing page

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Frequently asked questions

Is Corodomo free?

The current pricing page lists limited video access, up to 3 imports and 1 monthly AI quota hour. The quota guide lists existing subtitled videos, lookup, dictation, translation, quizzes, summaries, mindmaps and flashcards as unmetered; subtitle generation, detailed pronunciation scoring and speaking share the allowance.

How does 1:1 AI Coaching differ from ordinary shadowing?

Beyond repeating individual sentences, the coach selects tasks for your goals and level and guides listening, comprehension, overlap reading and shadowing before scoring a recording sentence by sentence and word by word. You review corrections, retry weaker sentences and track progress. Feedback comes from AI, not a human teacher.

Does Corodomo offer Japanese kaiwa and AI speaking practice?

Yes. CoroAI supports situational and video-context conversations for Japanese kaiwa and English speaking practice. Conversation practice adds spontaneous responses alongside shadowing and pronunciation feedback.

How does Corodomo cover all four skills?

Listening uses replay and dictation; speaking uses shadowing, AI Coaching and CoroAI; reading uses subtitles, lookup, quizzes and reading tests; writing uses dictation, translation and AI-graded HSK writing. These activities complement one another rather than promising to replace every type of language course.

How does the curated library differ from imported videos?

The library is organised by topic and level. The Corodomo team describes selected, reviewed content including an IT Passport course and business, IT and news videos. Imports let you choose your own material, but AI subtitles may need checking; the library’s review process should not be assumed to cover every import.

Review evidence & sources22

Scores

Ease of use
8.7
Why this score

Subtitles, reading aids, lookup and sentence practice sit within the same lesson. AI Coaching guides goal selection, comprehension, recording and weak-sentence retries, reducing the need to assemble separate tools. AI metering still requires reading the guide.

Features
9.2
Why this score

A deep toolkit combines bilingual subtitles and reading aids, sentence shadowing, word-level scoring, progress-aware 1:1 AI Coaching, CoroAI conversation, dictation, translation, quizzes, flashcards and exam practice. It connects all four skills around authentic material; this score reflects feature scope and workflow depth, not a measured AI accuracy result.

Value for money
8.6
Why this score

Value comes from combining video learning, personalised shadowing coaching, conversation and revision in one plan. The official quota guide lists existing subtitled content, lookup, dictation, translation, quizzes, summaries and flashcards as unmetered. Plus and Pro serve heavier AI use; purchase-channel prices and refund conditions still matter.

Performance
8.2
Why this score

Product pages document sentence-level practice and integrated pronunciation feedback. Independent benchmarks for latency, subtitle accuracy and pronunciation-score validity are unavailable, so product descriptions are not treated as proof of exceptional performance; feedback about self-imported videos remains relevant.

Support
8.0
Why this score

Email, user documentation, an AI quota guide, Facebook communities and Discord cover product questions and study discussion. No guaranteed response time or round-the-clock human support was found.

Privacy & security
8.3
Why this score

The policy identifies AI processors and data types, describes in-app consent and restrictions on training use. These are useful transparency measures; concrete retention periods and fuller legal contact details remain gaps. This is a published-policy assessment, not a security audit.

What users say

Sources

Specs & compatibility
Developer
Corodomo
Headquarters
Vietnam
Launched
2024
Category
Education

Capabilities

  • AI features
  • Mobile app

Platforms

  • Web
  • iOS
  • Android

Interface languages

  • Vietnamese
  • English
  • Japanese
  • Chinese
  • Korean
  • Indonesian
  • Spanish
  • French
  • German
  • Russian
  • Portuguese

Integrations

  • YouTube

Support

  • Email
  • Community forum
  • Help center

Change history

  1. Feature.iOS version 1.1.15 adds AI Coaching — daily shadowing tasks with word-level scoring; version 1.1.14 (3 Nov) had introduced Studio.
  2. Price.A standalone refund policy takes effect; the Terms and Privacy Policy are updated the same day.
  3. Feature.iOS version 1.0.33 introduces CoroAI speaking practice and in-sentence phrase lookup.
Full change history (10)
  1. Launch.Android app released on Google Play.
  2. Update.Launched on Unikorn.vn, ranking #2 of the day and #6 of the week.
  3. Launch.iOS app "Corodomo: Learn Languages" released on the App Store.
  4. Feature.Homepage adds video-based language learning (AI subtitles, shadowing, dictation) alongside the focus timer.
  5. Feature.Homepage repositioned as "Focus & Productivity tools" with Pomodoro and Focus Timer.
  6. Update.Terms of Use and Privacy Policy take effect.
  7. Launch.corodomo.com is live as "Study Motivation Hacker", a self-study community with to-do lists and mood journaling (earliest Wayback capture, 23 May 2024).
About the author

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