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 7.3.5

Subscription automatically carries over to second devices
Songbook sorts alphabetically
Keyboard layout in iPad slightly straightened up

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.

DakotaCBrown ,


I paid $3.20 for this app when it first came out in order to remove ads and get the unlock pack. Then it updated and I don’t have those things anymore and have to pay .99 a month to remove ads. Horrible.

Developer Response ,

I can refund your 3 dollars dude, send me an email at


Scale Degrees LTD
118.1 MB

Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
In-App Purchases
  1. Unlock all features $0.99


  • Family Sharing

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

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