kotomoことばのおとも

AIで発音・会話力を伸ばす

Free · Designed for iPad. Not verified for macOS.

Is your Japanese being understood clearly? Kotomo is a pronunciation practice app for people learning Japanese. Through Pronunciation Assessment, Shadowing Practice, Repeat Practice, AI Tutor Chat, and Online Reading, you can listen to your own voice and work toward speaking Japanese more naturally and clearly. Review your recorded results and learning history to stay motivated, maintain a daily practice routine, and track your progress over time. Key Features ■ Pronunciation Assessment Record your voice while reading a reference text and review your pronunciation. Use your scores and feedback to identify areas for improvement and practice them repeatedly. ■ Shadowing Practice Listen to reference audio and practice speaking along with it. Play back your recordings and compare your intonation and rhythm with the original audio. ■ Repeat Practice Listen to a reference sentence and repeat it aloud. Check whether your speech matches the reference text while practicing your listening and speaking skills together. ■ Communication Assessment (AI Tutor Chat) Practice natural Japanese conversation with “Kotomo Sensei,” your AI tutor. Speak into the microphone and receive a text response from the AI tutor. You can also play the response as audio, allowing you to experience practical Japanese conversations. ■ Online Reading Join other learners in real-time voice sessions for group reading practice. Create a room or join a public room, then read the displayed reference text aloud together. You can turn your microphone on or off and switch audio output. Room hosts can also manage participants. Recommended For Learners who want to check and improve their pronunciation and intonation Learners who want to develop natural, clear Japanese by comparing their speech with reference audio Learners who want to build a daily Japanese speaking practice habit, a little at a time Make your voice and progress visible as you work toward speaking Japanese more naturally and clearly. Start practicing spoken Japanese with Kotomo today.

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[Vocabulary Practice Improvements] • Words containing kanji are now presented as "Select the correct reading" questions, while kana-only words are presented as "Select the correct kanji" questions. • Improved question loading speed.

Version 1.0.2

The developer, SPI株式会社, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Contact Info
    • User Content
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • SPI CO.,LTD.
Size
  • 61 MB
Category
  • Education
Compatibility
Requires iOS 16.6 or later.
  • iPhone
    Requires iOS 16.6 or later.
  • iPad
    Requires iPadOS 16.6 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
Copyright
  • Copyright © 2026 SPI株式会社
  • Developer Website
  • Privacy Policy

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