FAQ

The human ear typically hears roughly 20Hz to 20,000Hz. The app can generate tones across and beyond that range for testing and experimentation.

Sine, square, triangle, and sawtooth.

1. Go to the report page.
2. Fill in the form and send it.
3. I will respond via email.

• Ads are only shown to non-Pro users.
• To disable ads, purchase a subscription or a one-time Pro upgrade if the app offers one.

On iOS/iPadOS/macOS:

• Settings → your name → Subscriptions, then select the subscription to cancel.
• Or go directly to Apple Subscriptions.

On Android:

• Play Store → your profile → Payments & subscriptions → Subscriptions.
• Or go directly to Play Store Subscriptions.

On iOS/iPadOS/macOS:

1. Hold the app icon on your home screen and tap the delete icon.
2. Or go to Settings → General → iPhone Storage, select the app, and tap Delete App.

On Android:

1. Hold the app icon and drag it to the uninstall icon.
2. Or go to Settings → Apps, select the app, and tap Uninstall.

Disclaimer: if your data isn't saved to the cloud, it will be lost — data is stored locally on your device.

Some basic troubleshooting steps:

Restart the device (no data lost):

• Hold the power button and slide to power off.
• Wait 10 seconds, then turn it back on.

Clear cache or reinstall (data will be lost — back it up first):

• On Android: Settings → Apps → select the app → Clear cache / Clear data.
• On iOS/iPadOS/macOS: delete the app and reinstall it from the App Store.

1. Open the app and go to Settings.
2. Tap Restore Purchases.

1. Open the App Store or Play Store.
2. Go to the updates section.
3. Find the app and tap "Update".

1. Open the app and go to Settings.
2. Select "Language".
3. Choose your preferred language from the list.

1. Open the app and go to Settings.
2. Select "Notifications".
3. Toggle the switch to enable them.

Not at this moment.

Roughly every 2-3 weeks, depending on the app.