オトピア｜ボイトレとピアノコード練習

音程を見える化｜音域測定・発声・録音

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

See your pitch as you sing. Check your vocal range, match notes, practice long tones, record sessions, and explore piano chords in one focused practice app. Otopia brings focused vocal and piano practice together in one clear app. VOCAL PRACTICE ■ Real-Time Pitch Monitor See the note you are singing and whether your pitch is sharp or flat on a live graph. ■ Long-Tone Practice Use the waveform, note name, and timer to practice holding a steady voice. ■ Record and Review Record your singing, play it back immediately, rename takes, and search your recording list. ■ Vocal Range Check Measure your lowest and highest notes and see an estimated voice type. ■ Pitch Matching Listen to a reference note and practice holding the same pitch. ■ Scale Practice Sing through a scale one note at a time with reference tones. ■ Sing with a Track Choose an audio file from your device and practice while viewing your pitch and volume. PIANO PRACTICE Explore the main chords in each key with an on-screen keyboard and finger numbers. Play common progressions, including pop and Canon progressions, or build and save your own. PRACTICE HISTORY Review practice days, vocal range, and long-tone results over time. Core practice tools are free. Free recordings are limited to six minutes per take. Premium removes banner ads and unlocks recordings up to 30 minutes, progress charts, and recording export and sharing. Recordings, imported audio, and practice history stay on your device. Terms of Use: https://otopia.netlify.app/en/terms.html Apple Standard EULA: https://www.apple.com/legal/internet- services/itunes/dev/stdeula/ Privacy Policy: https://otopia.netlify.app/en/privacy.html

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The developer, Yamamoto Chihiro, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

  • Data Linked to You

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

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

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • 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
  • Yamamoto Chihiro
Size
  • 6.4 MB
Category
  • Music
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English and Japanese
Age Rating
4+
In-App Purchases
Yes
  • Premium LIfetime $39.99
  • Premium Yearly $24.99
  • Premium Monthly $2.99
  • Learn More
Copyright
  • © 2026 Yamamoto Chihiro
  • Developer Website
  • Privacy Policy