apps / 1499417636
Circle o Fifths: Guitar+Piano
Chords, Scales & Songwriting
Tim Mueller · Music · $4.99 · US storefront
- rating
- 4.8 ★
- ratings
- 1.1K
- updated
- Oct 13, 2026
- released
- Feb 19, 2020
v2.2.6
visible word pool · 8 words
title 29/30 chars · subtitle 28/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Circle o Fifths: Guitar+Piano's pool that are public — the keyword field is not exposed by any API.
from the listing
Turn music theory into something you can actually play — on guitar or piano. Circle o Fifths is the fastest way to find the chords in any key, learn the scales to solo over them, and write your own songs. A handy practice tool that's a game changer for learning songs, writing your own, and finally understanding how chords fit together. NEW in 2.2: A Scales tab — see any scale on the guitar fretboard or piano keyboard, color-coded by degree, with the five CAGED shapes,…
latest US reviews
★★★★★
Super Helpful!
This app has been extremely helpful and insightful. Such good information. I have been able to use it so much when I need a quick chord progression. Highly recommend!!
— #savlovesmusic
★★★★★
Nice Updates But,,,,
In the progressions tab an Emaj chord as it sounds on the app is played as a G# chord in standard tuning on guitar and a Bmaj chord as it sounds on the app is played as a D# chord on guitar in standard tuning. Other chords may also be set to higher pitches. However, The piano…
— GSP 2026
★★★★★
Works great, nice reference and tool!
Like another review, there was no sound initially, but it started working after I tapped something or it need a little time connect the audio driver, but it started working. My request is to add PARTS (A,B,C,etc.) to the Progressions tab, with loop counters, so we can construct…
— Tekrytor
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