iPad Screenshots


Callus Logic allows you to:

-Play notes with the touch (or swipe) of your fingers. Any notes visible on the fretboard can be played. Just be sure your iPad's volume is on.

-Strum chords via the strum button.

- instantly load scales and chords in any key.

-See the intervals above the root for all scales and chords.

-Easily view all basic beginner chords.

-View common chord fingerings for all chords:
I = Index
M = Middle
R = Ring
P = Pinky
O = Play the note on an open string

-Create and save collections of fretboards. For example, you can save all the chords and scales used for a given song, then save the collection as "Your New Song Title."

-Customize a fretboard by adding or removing notes from any scale or chord. On a customizable fretboard, the color of each note can be set individually.

-Lock any fretboard to prevent changing the scale, chord, key, or color. Note: a locked fretboard can be deleted with the user's approval.

-Play a song in the Music App, then go into Callus Logic to play along with any scale or chord. This is great for figuring out what key a song is in.

What’s New

Version 1.1.2

Improves Stability

Ratings and Reviews

3.0 out of 5
2 Ratings

2 Ratings

tonalmaster666 ,

Wish list

If this had the option to add / subtract frets=up to 24

Also: if you had the option to build scales by touching the screen from scratch that is...

Well that is it for now.....

....I think.

App Privacy

The developer, Ben Gire, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer's privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


Ben Gire
17.1 MB

Requires iOS 11.0 or later. Compatible with iPad.



Age Rating
In-App Purchases
  1. Callus Logic Pro $0.99


  • Family Sharing

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

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