Jonio

Music

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Jonio brings together the essential tools every musician needs in a single app. • Simple and accurate metronome • Chromatic tuner • Reference tone generator • Fully offline Jonio is designed to provide a fast, clean, and distraction-free experience. No annoying ads, no mandatory subscriptions, and no unnecessary features. If Jonio becomes part of your practice routine, you can support its development by buying me a coffee directly in the app. This contribution is completely optional and helps keep the app free and continuously improving. Thank you for being part of this journey.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

• More precise and stable metronome timing. • Improved tuner note-detection accuracy. • The screen now stays on while the metronome is running. • Performance improvements and bug fixes.

Version 2

The developer, Kleiton Filhinho, 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 Not Collected

    The developer does not collect any data from this app.

    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
    • Kleiton Filhinho
    Size
    • 50.5 MB
    Category
    • Music
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 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
    • © 2026 Kleiton Filhinho. Todos os direitos reservados.
  • Developer Website
  • Privacy Policy