The app that makes sound visible
A structured one-year program to build a solid foundation in English pronunciation—from sound recognition to speaking, step by step.

Just 11 sounds for deeper understanding

Focus on one sound per month, lock it in.

Daily variety, easy to stick with
Visualize your pronunciation with data, improve
with AI analysis + native feedback
You’ll hear English sounds clearly, and pronunciation and listening come naturally.












Tap to hear the differences
*Phonemuzu uses 11 American English vowel sounds.
10-minute lessons: listen → fix → speak



Listening
Recognize English sounds separately from Japanese. 25 lessons a month, linked to characters for easy recall
Hear the differences
Learn visually
Stay engaged
Learn Vocabs



Speak
Train with single sounds and place them correctly. Visualize errors and self-correct.
See errors
Tongue Position
No teacher needed
Practice anytime
Scoring

Get instant feedback on your vowels and see weak sounds at a glance.
Find difficult words
See weak sounds
Words

Practice 1,600 junior high words and check pronunciation by sound.
Practice 1600 words
Learn correct sounds
Analysis
Your daily learning data is tracked and analyzed monthly, with native teachers evaluating your pronunciation. Beyond right or wrong, you can see your progress, clarity, and speaking patterns-so your habits become clear just by practicing.

See a sample monthly report
Analyzed by native teachers
See your pronunciation patterns
Monthly progress reports
Clear improvement points