Hinokoto Frequency Generator

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Everyone
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Everyone
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About this app

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.
Generate precise tones, noise, binaural beats, and frequency sweeps.
Updated on
Sep 7, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity, and Device or other IDs
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Committed to follow the Play Families Policy

What’s new

Initial release.

- Generate tones from 20 Hz to 20,000 Hz
- Choose from sine, square, triangle, sawtooth, and three noise types
- Fine-tune frequencies and save favorites
- Includes binaural beats, frequency sweep, timer, and background playback
- Customize the controls and waveform display