For singers: Learn vocal melodies note for note, transpose into any key that suits your own voice and easily play chord progressions to practice with.

For songwriters: Sketch chord progressions in any key, experiment with the major and minor scales to compose vocal melodies. Learn an easy way of notating your songs.

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'Remove ads and Unlock all features' monthly subscription:

* You can subscribe for unlimited access to all 1024 chord samples offered within Scale Numbers Piano and enjoy an ad-free experience.
* Subscriptions are billed monthly.
* Payment will be charged to iTunes Account at confirmation of purchase
* Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.
* The account will be charged for renewal within 24-hours before the end of the current period, and identify the cost of the renewal.
* Subscriptions may be managed by the user and auto-renewal may be turned off by going to 'settings' within the app or the user's Account Settings after purchase.
* No cancellation of the current subscription is allowed during an active subscription period.
* Privacy Policy & Terms Of Use -

What’s New

Version 7.4.055

Loop player bug fixed

Ratings and Reviews

3.5 out of 5
6 Ratings

6 Ratings

Archie7474 ,

I can’t restore my purchase?

Hi I can’t restore my purchase please help me tnx

Hello again sorry for long respond ; I don’t have paypal Acaunt; I only have MasterCard< also my previous purchase was made by the credit card ; just now I’ve tried to make another purchase but the payment didn’t go through < I really love your app and I need one with open chords <I can’t restore nether purchase new one < pls fix this issue so I can have the app on my I pad please and thank you again ;

Pweeeease ,

Just feels right....

It’s truly such a beautifully simplistic approach to writing music. Love it.

PesterTV ,

Paid for app at launch, now they want subscription fee

Purchased this app on another device to block adds and unlock all features. Now, the developer wants me to pay a monthly subscription to use the app I already paid full price for. What a joke. Avoid this developer.

Edit: dishonest developer lies about offering refunds. He has never offered me a refund. However, the premise that I should have to switch to a subscription model AFTER I ALREADY PAID FULL PRICE FOR THE APP IS RIDICULOUS, DISHONEST, AND UTTER GARBAGE! Developer needs to be banned from the App Store.

Developer Response ,

As I have said before, send me an email at with your details and I will refund you your $3.20 immediately. If you don't want to use the app on a subscription model then uninstall it.

App Privacy

The developer, Scale Degrees LTD, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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