Terms of Use

Clefstep: Music Theory & Ear Training (iOS and Android) · Effective 13 November 2026

1. The app

Clefstep ("the app") is a music theory and ear training app provided by AppKadag ("we"). By using the app you agree to these terms.

2. Practice tool, not an exam

Clefstep helps you practice. Mock tests and the readiness meter are estimates. We do not promise any exam result. Clefstep is not an official exam and is not connected to any exam board.

3. Free version and ads

The app is free to download and use. The free version shows ads and has daily limits on mock tests and Practice my mistakes sessions.

4. Clefstep Pro

Clefstep Pro removes ads and the daily limits. It is offered as a monthly subscription, a yearly subscription and a one-time lifetime purchase. Prices are shown in the app and the store in your local currency.

• Subscriptions renew automatically. Payment is charged to your Apple ID or Google Play account at confirmation of purchase. A subscription renews for the same period unless you turn off auto-renewal at least 24 hours before the end of the current period.
• Free trial. The yearly plan can include a 7 day free trial for eligible new subscribers. If you do not cancel at least 24 hours before the trial ends, the subscription starts and you are charged. Unused trial time ends when you buy a subscription.
• Cancel. Manage or cancel in your App Store (Apple ID, Subscriptions) or Google Play (Payments and subscriptions) settings. Deleting the app does not cancel a subscription.
• Lifetime. A one-time payment with no renewal. It unlocks Pro on the store account used to buy it.
• Refunds are handled by Apple or Google under their policies. You can restore purchases in the app on the same store account.

5. No guarantee

The app is provided "as is". Content may contain mistakes. Your progress is stored on your device and can be lost if the device is reset or the app is removed. See the privacy policy.

6. Use of the app

You may use the app for personal learning. You may not copy, resell or reverse engineer the app, or use it in a way that breaks the law or the rules of the app stores.

7. Liability

We are liable without limitation for intent and gross negligence and for injury to life, body or health. For slight negligence we are liable only for breach of essential obligations and limited to the typical, foreseeable damage. Mandatory consumer rights remain unaffected.

8. Changes

We may update these terms when the app changes. The date at the top shows the current version.

9. Law and contact

German law applies, without prejudice to mandatory consumer protection rules of your country of residence. Contact: appkadag@gmail.com.

On iOS, Apple's standard End User License Agreement also applies: apple.com/legal/internet-services/itunes/dev/stdeula.