People don't always understand me
Is your Japanese
really gettingthrough?
AI and characters gently support your pronunciation.
Just record to check pronunciation, rhythm, and fluency,
AI-powered Japanese pronunciation improvement app Is your Japanese
Is your Japanese
really gettingthrough?
AI and characters gently support your pronunciation. Just record to check pronunciation, rhythm, and fluency, and get closer to natural, clear speech.
Do any of these sound familiar?
I don't know what to fix
I can't keep up practicing alone
I'm not confident when speaking
With Kotomo, AI and characters gently support your daily practice.
✦ FEATURES ✦
5 features of Kotomo
AI analyzes pronunciation in real time. Improve your Japanese pronunciation enjoyably and effectively.
1
AI Pronunciation Check
AI analyzes your speech in real time. Instant feedback on mora, rhythm, and fluency.
2
Gentle Feedback
Characters explain specific improvement points clearly. Encouraging words that keep you going.
3
Step-by-step Practice
From mora to sentences, practice at your level for natural progress.
4
Visible Learning Progress
Track growth with pronunciation scores, practice days, and progress graphs.
5
Kotomo Friends
5 unique characters as your practice partners. A learning experience you'll want to return to every day.
Meet the Kotomo Friends
Each character has their own personality to gently support your pronunciation practice.
Nico
Pronunciation TeacherThe main character who teaches pronunciation cheerfully and carefully.
Piko
Rhythm MasterSpecializes in supporting tempo and rhythm.
Momo
EncouragerAlways cheering you on with kind words.
Lala
Fluency CoachShares tips for getting closer to natural speech.
Kuro
Challenge LeaderMakes even difficult pronunciation fun to tackle.
Simple! Just 3 steps
01
Listen to the model
A character demonstrates the pronunciation. Listen first and pick up the key points.
02
Record and practice
Press the mic button and try pronouncing. Record as many times as you like.
03
Check your feedback
AI analyzes your pronunciation. Receive a score and specific improvement advice.
User Voices
"Seeing my score go up keeps me motivated to continue. The graph feature is the best!"
Joko Y.
Learning Japanese
"The characters are so cute and practice is fun. I can now confidently say the 'ra' row I struggled with."
Zen S.
Improving Pronunciation
"The AI feedback is so specific and helpful. I can see at a glance what to fix."
Amgal J.
Targeting JLPT N1
Everyone's Growth Data (Average)
Avg Score
86 pts
Study Days
28 days
Streak
12 days
Retention
94 %
※ Data are averages of active users (as of April 2026)
Avg Score
86 pts
Study Days
28 days
Streak
12 days
Retention
94 %
※ Data are averages of active users (as of April 2026)
StartKotomofun pronunciation practice with
today!
Try pronunciation check free → Download on the App Store
