Hertz Pro – Frequency Generator & Sound Analyzer
🎧 Discover the power of sound with Hertz Pro!
Whether you’re testing speakers, tuning instruments, meditating, or experimenting with pure frequencies, Hertz Pro is your complete frequency generator and sound analyzer — simple, accurate, and completely free.
🔊 Accurate Frequency Generator
Generate clean sine, square, triangle, and sawtooth waves from 1Hz to 22,000Hz. Perfect for sound tests, tone experiments, and hearing checks.
🎛️ Easy Controls
Control the volume effortlessly and explore a wide range of tones in real-time.
🌈 Animated Sound Waves
Experience sound visually! Hertz Pro includes dynamic waveform animations that move with your frequency — a great way to see the tone you hear.
💾 Save Custom Presets
Save your favorite frequencies and sound wave combinations for quick access anytime. No sign-in or subscription required — everything stays local on your device.
🎵 Play in the Background
Keep tones playing even when you switch apps. Ideal for continuous testing or meditation sessions.
⚡ Optimized Performance
Enjoy low-latency sound generation with responsive controls. Choose between linear or logarithmic slider scales and set precise step values for full customization.
🧠 Use Hertz Pro for:
• Speaker and headphone testing (bass, treble, response)
• Instrument tuning and audio calibration
• Hearing range testing
• Sound therapy and meditation
• Removing water or dust from speakers
• Finding tinnitus frequency
⚙️ All features are 100% free.
No upgrades, no subscriptions — just pure sound generation and analysis.
Hertz Pro – Simple. Accurate. Powerful.