📈Last 7 days+9 installs — 50% slower than the week before (+18) · 1/day since Oct 7
🏆Among Books & Reference appstop 40% by installs gained this week (344 peers growing)
⭐Rating steady at ★ 3.86 since Oct 7
🛠Updatesquiet · updated 54 days ago
Installs since launch
+27 installs
· 0 ratings
since Oct 7
Update history
1.5.700-PSSep 17, 2026 · seen Oct 21, 2026
Major update with Kotlin and Android SDK 36! All libraries updated. Improved performance, stability and security. Interactive Circle of Fifths — rotate to explore all keys. Chord Circle shows chord relationships visually. Chord formula chart, semitone and tone maps for music theory. Capodaster transpose calculator. Greensleeves chord chart. Zoom and pan on all charts. Optimized for all screen size
Only the current version so far — new entries appear as the app ships updates.
Circle of fifths + is a books & reference app by Maikstrings with 5,000+ downloads (about 7.7K estimated). +9 installs in the last 7 days. Rated 3.9 from 16 ratings. Released May 15, 2017. Install growth, rank history, SDKs and ad networks.
From the store listing: “Circle of fifths to work with your musicnotes. Fifths and chords for your sound.”
