Hinokoto Frequency Generator

Tones, Waves & Audio Sweeps

Free · Designed for iPad. Not verified for macOS.

Generate continuous tones and explore sound frequencies with a simple, customizable interface. Hinokoto Frequency Generator lets you create tones from 20 Hz to 20,000 Hz and adjust the frequency while sound is playing. Use it as a pitch reference, explore waveforms, check speakers and audio equipment, or experiment with binaural beats and noise. KEY FEATURES • Generate frequencies from 20 Hz to 20,000 Hz • Choose sine, square, triangle, and sawtooth waves • Play white, pink, and brown noise • Adjust frequency, volume, and left/right balance in real time • View the nearest musical note and customize the A4 reference pitch • Create binaural beats with Delta, Theta, Alpha, Beta, and Gamma presets • Run a full frequency sweep • Perform a simple audibility check across common frequencies • Save favorite frequency and waveform combinations • Quickly recall useful preset frequencies • Continue playback in the background • Set a sleep timer from 5 to 60 minutes • Customize which controls appear on screen • Keep your settings between sessions Whether you are exploring sound, checking the response of a speaker, finding a reference pitch, or relaxing with binaural beats and noise, the app gives you direct control over the sound you want to hear. Headphones are required to experience binaural beats properly. IMPORTANT This app is not a medical device. Its audibility check is intended for personal reference and entertainment only and must not be used to diagnose hearing conditions. Listening to loud sounds may damage your hearing. Start at a low volume and use the app responsibly.

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The developer, Hirohisa Fujita, 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:

    • Location
    • Identifiers
    • Usage Data

  • 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
  • Hirohisa Fujita
Size
  • 28.2 MB
Category
  • Utilities
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 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 and Japanese
Age Rating
4+
Copyright
  • © 2026 Hinokoto Studio
  • Developer Website
  • Privacy Policy

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