PureWave: Sound & Speaker Test

Start with a 7-day free trial. Test speakers, eject trapped water, check your hearing and generate clean tones — a private audio toolkit, no account.

PureWave is a precision audio toolkit for iPhone.

PureWave is free to download. Unlocking and using the audio tools below requires PureWave Pro — available as an auto-renewable subscription or a one-time lifetime purchase. Pricing is shown in the app before you buy.

Test your speakers, eject trapped water, check your hearing range, generate clean tones, analyze live sound, and export audio files. Everything runs on your device, with no accounts and no tracking.

Whether you want to find speaker rattles, play a clean test tone, remove water from your iPhone speaker grille, or check the highest frequency you can still hear, PureWave gives you practical audio tools in one clean app.

Audio tools inside PureWave

Speaker Test Run a full frequency sweep from 20 Hz to 20 kHz, plus pink noise, to help reveal buzzes, rattles, distortion, and missing frequencies.

Water Eject Play a sub-bass tone designed for iPhone speaker grilles. A simple 30-second tool for helping eject trapped water with audible feedback.

Hearing Range Test Sweep from 20 Hz to 20 kHz and see the highest frequency you can still hear. This test is educational and not medical.

Tone Generator Generate sine, square, triangle, and sawtooth waves from 20 Hz to 20 kHz with smooth slider control.

Spectrum Analyzer View a live 48-band FFT from your microphone with peak hold for quick sound analysis.

Headphone Test Check stereo channels, balance, and phase inversion for headphones and earbuds.

Burn-in Run multi-hour pink noise and mid-frequency sweeps with Now Playing lock-screen controls.

Tone Export Render tones to WAV or M4A and share them from your iPhone.

Test Plan Schedule recurring speaker checks with local notifications.

PureWave Pro Unlock every tool with PureWave Pro. Choose a subscription or a one-time lifetime purchase. Pricing is shown in the app before purchase.

Private by default PureWave runs on your iPhone. Microphone audio is processed live and never recorded. Your test history stays on your device. There are no accounts and no tracking.

Important note The Hearing Range Test is informational only. It is not a medical hearing test. For clinical concerns, consult a licensed audiologist.

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