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The app generates calibrated sound frequencies — 165 Hz for water, 200 Hz for dust, and a full sweep from 20 Hz to 20 kHz for deep cleaning. These vibrations push moisture and particles out of the speaker grille. It's the same principle Apple Watch uses to eject water after swimming.

No. The frequencies and amplitudes are calibrated to be safe for standard iPhone speakers under normal conditions. However, we strongly recommend removing AirPods or any in-ear devices before running a cleaning cycle through them — sustained tones at high volume can be uncomfortable or damaging to your hearing.

The cleaning vibrations only work effectively at high volume — the speaker membrane needs significant amplitude to dislodge water and dust. The app shows a volume slider before each cleaning and asks you to raise it manually. You're always in control.

Most water situations clear up in 30 seconds. Dust may take 1–2 cycles. For older or stubborn issues, you can enable Auto-cycles in Settings to run multiple sessions back-to-back with short pauses.

It plays distinct tones through the top (earpiece) and bottom (main) speakers separately, so you can hear if one channel is quieter or muffled. If so — run a cleaning targeted at that speaker.

Manual lets you dial in any frequency from 20 Hz to 20 kHz with a logarithmic slider, plus quick presets (Water, Dust, A4, 1 kHz, etc). Use it to experiment or target a specific resonant frequency for your situation.

No. The app does not access your photos, contacts, microphone, location, or any other personal content. All sound generation runs locally on your device with AVAudioEngine. We only collect anonymous, aggregated analytics via Apple's App Analytics and subscription receipts via RevenueCat — see our Privacy Policy for details.

Open Settings → your Apple ID → Subscriptions → Speaker Cleaner, and tap Cancel. Your access stays active until the period ends. We never charge after cancellation.

No. Lifetime is a one-time purchase. Open the app, and Premium is active. If you reinstall later or switch devices, use Restore Purchases in Settings → Subscription to bring it back via your Apple ID.

Yes. The cleaning sounds are generated entirely on-device. An internet connection is only needed to validate subscriptions with the App Store and sync state with our subscription provider on first launch.

Speaker Cleaner is designed for iPhone speakers. It can run on iPad in iPhone-compatibility mode, but iPad speakers are designed differently. For AirPods cleaning, use higher-frequency settings in Manual mode (6 kHz – 9 kHz range) and never wear them in your ears during a cycle.

If multiple cleaning sessions don't help, the issue may be more serious — debris stuck deep in the mesh, water damage to the speaker driver itself, or a faulty component. We recommend visiting an Apple Store or authorised service provider. Speaker Cleaner is a maintenance tool, not a substitute for professional repair.