Freq'n Awesome Tone Generator

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.