Freq'n Awesome Tone Generator

Speaker & Audio Test Tones

Free · In‑App Purchases · Designed for iPad

Whether you're refoaming speakers, testing subwoofers, or fine-tuning audio systems, our professional-grade tone generator delivers precise audio signals from 1Hz to 22kHz with crystal clarity. Perfect for Speaker Repair & Testing: Test woofers, tweeters, and midrange drivers Verify frequency response across your entire system Diagnose rattles, buzzes, and resonance issues Perform controlled frequency sweeps to break in new speakers Key Features: Generate sine, square, and sawtooth waves with adjustable volume Customizable frequency range (1Hz-22kHz) with user-adjustable limits Logarithmic, Exponential, or Linear slider Real-time visual waveform display Bass-specific sweep (30Hz-100Hz) for subwoofer testing Custom preset creation plus convenient built-in presets (30hz, 40hz, 50Hz, 60Hz, 80Hz, etc.) Clean, intuitive interface with dark mode support Professional Mode Features: Dual-tone generation with independent controls Record and Save your tones as WAV files Create pulsed tones with controllable pulse rates and duty cycles Phase inversion for acoustic testing Musical note generation with adjustable octaves Perfect for instrument tuning and acoustic studies From DIY speaker repairs to professional audio work, this app provides the reliable test tones you need. No internet connection required - works completely offline for field testing. Free version includes essential testing features, with Pro Mode available as a one-time purchase for advanced users.

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Support URL and screenshot changes

Version 1.1

The developer, Jonathon Darrel Eman, 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

  • Data Not Linked to You

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

    • Location
    • 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
    • Jonathon Darrel Eman
  • Size
    • 6.9 MB
  • Category
    • Utilities
  • Compatibility
    Requires iOS 18.1 or later.
    • iPhone
      Requires iOS 18.1 or later.
    • iPad
      Requires iPadOS 18.1 or later.
    • Mac
      Requires macOS 15.1 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.1 or later.
  • Languages
    • English
  • Age Rating
    4+
  • In-App Purchases
    Yes
  • Copyright
    • © 2025 Jon Eman
  • Developer Website
  • Privacy Policy

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