Chordy

🎹 Chordy, the fun of playing the piano

Still memorizing piano chords?
Chordy is a learning app that naturally teaches chords through quizzes.
No complicated theory books required, just 10 minutes a day is all you need.

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📚 Key Learning Features
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🎵 Key Name Matching
• Basic training to quickly connect notes (C, D, E...) to key names (do, re, mi...)
• Supports both note-to-note and note-to-note modes
• Builds basic stamina for reading the staff

🔑 Key Signature Mastery
• Master the key signatures of 12 major and minor keys with quizzes
• Naturally learn the rules of flats (♭) and sharps (♯) through repeated practice
• Accelerate your ability to identify keys

🎹 Triad Practice
• Major triads such as major, minor, augmented (aug), diminished (dim), sus2, and sus4
• Intuitively understand the notes of each chord with keyboard visualization
• Focus on learning only the key you want with root note filtering Possible

🎼 Master 4 Chords
• Complete mastery of 7th chords, including Major 7th, Minor 7th, Dominant 7th, Dim7, and M7♭5
• Systematically learn essential chords for jazz, practical music, and CCM
• Naturally expand upon 3rd chords after mastering them

🎸 Practical Sheet Music Playback
• Practice like a real piano with preset chord progressions (I-V-vi-IV, ii-V-I, etc.)
• Metronome Mode: Practice chord changes in time with the beat
• Chord Tone Mode: Practice while listening to actual chord sounds
• Free BPM adjustment (30-200)
• Upload a photo of your sheet music and the OCR feature automatically analyzes the chords.

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✨ What's Special About Chordy
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🎹 Play Keyboard Sounds
Tap the keys on the screen to hear real piano sounds. Press up to 7 notes simultaneously to hear the chord sounds directly.

📊 Learning Dashboard
Check your study streak, number of quizzes completed, and correct answer percentage at a glance on the home screen. Feel your progress every day.

🔥 Streak System
Study every day to accumulate study streaks. Build a consistent habit by achieving 3-day, 7-day, 14-day, and 30-day milestones.

🎯 Combo Counter
Getting consecutive correct answers will increase your combo! Feel a sense of accomplishment with a celebratory effect when you get it right.

❌ Incorrect Answer Review
Automatically collects only your incorrect answers. Focus on reviewing frequently missed chords to improve your weaknesses.

⏰ Study Reminders
Receive daily study reminders at your preferred time. Stay focused and study consistently.

🌙 Dark Mode
Supports dark mode for easy-on-the-eyes studying at night. You can sync with system settings or switch manually.

🌏 Multilingual Support
Supports four languages: Korean, English, Japanese, and Chinese. Languages ​​are automatically switched based on your device's language.

📱 Offline Learning
You can use all features without an internet connection. Learn anywhere, on the subway, on an airplane, anywhere.

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🎯 Recommended for:
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• Beginners who are just starting to learn piano
• Hobbyists who want to memorize chords faster
• Students who want to build a solid foundation in key signatures and harmony
• Those studying jazz and practical music chords
• Those preparing for music theory exams

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💡 In just 10 minutes a day, with a cup of coffee,
Piano chords become yours.

Chordy, the time to enjoy your piano