Circle Theory1.4.6 - App Store

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Publisher Description

Circle Theory is a Circle Of Fifths (sometimes known as a Circle Of Fourths). The Circle Of Fifths is a tool for musicians to assist them in seeing the relationship between notes, provide key signatures for both major and minor scales, assists in transposing between keys, and it also has a helpful guide to figure out note intervals per musical mode. An iPad VGA adapter can be used to view the circle on an external screen or projector.

Shortcuts:

Tap or drag on the outer ring to change the tonic note / key signature

Double-tap the outer ring to cycle through the inner ring displays

Double-tap the center of the circle to cycle through the clefs

When the inner ring is displaying a musical mode, drag the inner ring to select a new mode

When the inner ring is displaying the transposition assistant, drag the inner ring to select a new starting key / note

Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.



About Circle Theory

Circle Theory is a paid app for iOS published in the Audio File Players list of apps, part of Audio & Multimedia.

The company that develops Circle Theory is Josef Wankerl. The latest version released by its developer is 1.4.6.

To install Circle Theory on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2008-08-30 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Circle Theory as malware if the download link is broken.

How to install Circle Theory on your iOS device:

  • Click on the Continue To App button on our website. This will redirect you to the App Store.
  • Once the Circle Theory is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
  • If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
  • After Circle Theory is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
  • Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.

Program Details


General

Publisher
Released Date
2008-08-30
Languages
English

Category

Category
Subcategory

System requirements

Operating systems
iOS

Download information

File size
6.0 MB
Total downloads
0

Pricing

License model
Paid
Price

Version History


Here you can find the changelog of Circle Theory since it was posted on our website on 2016-10-01. The latest version is 1.4.6 and it was updated on Apps112 on 13 October, 2026. See below the changes in each version:

version 1.4.6

posted on 2008-08-30

Disclaimer


Official App Store Link


We do not host Circle Theory on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.

The App Store link for Circle Theory is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.

If you have questions regarding this particular app contact the publisher directly. For questions about the functionalities of apps112.com contact us.





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Users Rating:
  0.0/5     0
Downloads: 0
Updated At: 2026-10-13
Publisher: Josef Wankerl
Operating System: iOS
License Type: Paid

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