Shadow Flow

Shadow Flow

About this app

Learn Languages with Videos
Turn videos into an interactive language learning experience.

Improve your listening, speaking, pronunciation, vocabulary, and shadowing with synchronized subtitles and instant speech feedback. Learn naturally from real conversations instead of traditional textbooks.
Whether you're learning English, Japanese, Chinese, Korean, Spanish, or many other languages, every video becomes a personalized lesson.

Key Features

🎬 Learn from Real Videos
Practice with authentic video content and perfectly synchronized subtitles.

💬 Interactive Subtitles
Follow subtitles in your preferred language and understand every sentence with ease.

🔁 Replay Any Sentence
Repeat difficult lines instantly to improve listening and pronunciation.

🤖 Instant Speech Feedback
Record your voice and receive instant feedback on your pronunciation, accuracy, and completeness. Compare your speech with the target subtitle and identify areas for improvement after every practice session.

📚 Save Useful Sentences
Bookmark vocabulary, expressions, and useful phrases for later review.

🎤 Build Your Personal Speaking Library
Save your recordings alongside your favorite sentences and review your speaking progress anytime.

⏯ Smart Playback Controls
Pause, replay, slow down, or jump between subtitles to learn at your own pace.

📈 Track Your Progress
Stay motivated with learning streaks, practice goals, and measurable improvements over time.

Privacy First
Your recordings stay on your device.
• Audio recordings are stored locally.
• No account is required for speaking practice.
• You control your own learning data.
• Practice with confidence knowing your recordings remain private.

Perfect For
• Learning English and other languages
• Pronunciation practice
• Listening comprehension
• Speaking fluency
• Vocabulary building
• Shadowing practice
• Everyday conversations

Why You'll Love It
• Learn from authentic videos
• Instant pronunciation and speech feedback
• Practice listening and speaking together
• Improve naturally through repetition
• Save and review useful sentences
• Supports multiple languages
• No account required

Start learning with videos today and turn every sentence into an opportunity to speak with confidence.

What’s new

What’s New

- Added a new speech scoring system to help you review recorded practice attempts.
- Improved YouTube search and saved-caption playback.
- Added dark mode support across the Android app.
- Refined the player layout, including cleaner controls and better subtitle list behavior.