The app that makes sound visible
Course Fee
Pronunciation coaching at home.
Analyzed by technology.
Reviewed monthly by native instructors.
Enrollment Fee ¥5,000
Save 2 months
Annual Plan
¥10,000
/month
（tax included）
One-time payment
Get 2 months free
Master pronunciation in 1 year
Clear 1-year plan
Monthly AI + expert feedback
Boost vocab with wordbook
Phonemuzu Wordbook +¥1,000/month
Monthly Plan
¥12,000
/month
（tax included）
No commitment, start monthly
Start anytime, month by month
No contract required
Learn at your own pace
Full features with expert feedback
Review school vocab with wordbook
Additional Option
Phonemuzu Flashcard
1,600 junior high-level words
My List feature
¥1,000
（tax included）
※The wordbook can be used on its own, but we recommend using it with the course.
Phonemuzu Flashcard Features
1600 Words
Learn all core words with pronunciation.
Custom Review List
Focus on words you need to review.
Progress Analysis
See what you know and don’t.
School Ready
Aligned with classes and tests.
5 Services That Support Progress
Vowel Training
Separate Japanese and English sounds and build new English sounds.
Pronunciation Practice
Practice clear, native-friendly pronunciation on your own.
Phonemuzu Wordbook
1,600 junior high words with My List and weakness tracking.
Progress Tracking
Saved diagnostics, monthly trends, and a final improvement report.
Improvement Report
Native feedback on clarity, with specific improvement tips.
Course Duration
The course is designed to finish in 12 months. If you’d like to continue, you can switch to the monthly plan. After completion, you may use the wordbook on its own.
System Requirements
Browser-Based Web App
This service is a browser-based web application.
No installation is required.
Supported Devices
・Desktop / Laptop
・iPhone / Android smartphones
Supported Browsers
・Google Chrome
・Safari
Requirements for Use
・Google Gmail Account
Required for sign-in.
・Microphone access
Please enable access in your browser settings.
・Internet connection
Stable internet connection recommended.