--- title: "Circle o Fifths: Music Theory - Bewertungen, Einnahmen und Downloads in Australien | Apple App Store" description: "Grab your instrument and hear, learn, and write music with the circle of fifths! This handy music practice and theory tool can be a game changer for learning songs, writing your own, and understanding" --- # Circle o Fifths: Music Theory — Australien > Chord progressions and theory ![Circle o Fifths App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/a5/28/f5/a528f5f1-7782-fa80-a76d-8b9d61da11e6/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png) **Developer:** [Sleep Laugh Studios](https://apptail.io/de/developer/sleep-laugh-studios-glub) **Category:** Music **Rating:** 4.5/5 (64 ratings) **Price:** Free **Bundle ID:** com.sleeplaugh.circleofifths **Store:** Apple App Store **Country:** Australien **Version:** 2.2.4 (released 2026-09-22) **Original Release:** 2020-02-19 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/au/app/app/id1499417636) **AppTail Page:** [https://apptail.io/de/app/circle-o-fifths-guitarpiano-Muu/australia](https://apptail.io/de/app/circle-o-fifths-guitarpiano-Muu/australia) ## Circle o Fifths Description Grab your instrument and hear, learn, and write music with the circle of fifths! This handy music practice and theory tool can be a game changer for learning songs, writing your own, and understanding how chords fit together. NEW in 2.1: 21 color themes — tap the palette to redress the entire app; a few are suspiciously reminiscent of your favorite films, albums, and bands. NEW in 2.0: Piano mode and a chord progression builder. Switch between guitar and piano on the fly — chord diagrams, sounds, and strumming all swap to match. Jump to the Progressions tab to build your own chord progressions, pick a tempo, and hear them played back with realistic strumming patterns. And now, tap the palette to recolor the entire app — wheel, badges, and chord charts — with 21 handpicked themes. Features: • 3 full rings with support for all major and minor keys • 36 interactive notes/chords on the circle • NEW! 21 color themes — personalize the wheel, badges, and chord charts (just tap the palette icon) • NEW! Key badge in the center of the wheel — your current major and relative-minor key, plus its key signature, at a glance • Toggle between guitar and piano modes — affects both sounds and diagrams • Synthesized piano with rich, multi-voice triads • 36 real guitar audio recordings of every chord on the circle • 36 guitar chord charts — now drawn right in the app and themed to match; just tap and hold to learn • Piano chord diagrams with highlighted notes on a keyboard • Color coding to help you reference and learn the note/chord you're playing • Chords tab to see all chords in each key, with major/minor relationships • Progressions tab — build your own progressions and hear them play back - Pick any major or minor key (24 total) - Tap I, ii, iii, IV, V, vi, vii° to add chords to your track - Tempo control and loop for practice - Strum patterns: Whole, Quarter, Eighth, Folk, Rock - Built-in metronome The outside ring of the circle has all the major keys. Tap any of them to hear and change the key. The color coding tells you which number each chord is. The middle ring has all the minor keys, and the inner ring has the diminished chords. Tap any chord to hear it, or tap and hold to see how to play it on guitar or piano! If you're playing in a major key, use the color coding up top to understand the chord relationships. If you're playing in a minor key, use the color coding on the bottom. Use the Chords tab to play songs in any key, transpose on the fly, and see major/minor key relationships. Use the Progressions tab to compose, practice over a loop, or hear common progressions like I-IV-V or ii-V-I in any key. ## Circle o Fifths Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/59/f5/bd/59f5bd88-137d-f24c-2b18-02d2c134dfd3/1.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b5/b9/0a/b5b90a3d-2ba8-ddc6-bde1-1ab1318d24d4/2.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/63/47/01/634701b1-e249-ad40-9b35-525f9cca1c16/3.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/89/95/4c/89954c91-e66f-5ad5-c565-298840f62a1b/4.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d1/67/b0/d167b0db-6bcb-2134-7447-83ccb335827b/5.png/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e1/6a/6d/e16a6d0a-4a3d-4d82-38a0-ed2f3eacfcb8/6.png/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/fa/78/b9/fa78b9b4-d017-fd61-6549-9da5385a91f7/7.png/1242x2688.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7e/d0/20/7ed020b7-cb73-e796-119a-df8be6993c0f/8.png/1242x2688.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/5a/d8/7c/5ad87c2c-843c-1562-48e9-c963c95f8220/9.png/1242x2688.png) - [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3a/96/ee/3a96eedc-b9e9-78d7-f534-b9a0e3ee3701/10.png/1242x2688.png) ## Circle o Fifths Rating Breakdown in Australien - 5 stars: 49 (77%) - 4 stars: 5 (8%) - 3 stars: 6 (9%) - 2 stars: 1 (2%) - 1 stars: 3 (5%) ## Circle o Fifths Reviews in Australien ### ***** "WOW Buy this APP it’s brilliant 👍🏻" I absolutely love this APP it’s incredible. For $1.49 you never need a book of paper to check the Key or Chord progression you want. Not only is it simple but you can listen before you even play your guitar to see if you like the progression. Thank you -- ijugfrd, 2023-03-13 ### ****- "Great, but some fixes needed." Love the layout, nice sounding guitar chords. B major chord sounds as Emajor, little fix needed. Perhaps some sort of switch so that it doesn’t switch keys when primary chords are played could be added. -- madrossco, 2021-07-10 [View all Circle o Fifths reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews) ## Circle o Fifths Store Rankings | Chart | Country | Category | Rank | |-------|---------|----------|------| | Top Bezahlt | Türkei | Music | #18 | | Top Bezahlt | Australien | Music | #20 | | Top Bezahlt | Aserbaidschan | Music | #114 | | Top Bezahlt | Vietnam | Music | #128 | | Top Bezahlt | Kanada | Music | #134 | | Top Bezahlt | Kasachstan | Music | #158 | | Top Bezahlt | Australien | Overall | #164 | | Top Bezahlt | Ukraine | Music | #183 | | Top Bezahlt | Türkei | Overall | #189 | | Top Bezahlt | Vereinigte Arabische Emirate | Music | #205 | | Top Bezahlt | Ecuador | Music | #231 | | Top Bezahlt | Dänemark | Music | #234 | | Top Bezahlt | Philippinen | Music | #244 | ## Circle o Fifths Discovered Keywords - music theory ## Apps Similar to Circle o Fifths - 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