📈Last 7 days+14 installs — 36% slower than the week before (+22) · 3/day since Oct 9
🏆Among Music & Audio appstop 34% by installs gained this week (221 peers growing)
🛠Updatesactively updated · updated 26 days ago
Installs since launch
+85 installs
since Oct 9
Update history
0.8.1Oct 17, 2026 · seen Oct 23, 2026
minor upgrades
Only the current version so far — new entries appear as the app ships updates.
Four-part Harmony is a music & audio app by Vlastimil Knotek with 500+ downloads (about 764 estimated). +14 installs in the last 7 days. Released Nov 10, 2023. Install growth, rank history, SDKs and ad networks.
From the store listing: “Learn Four-part Harmony rules or check your chord progressions.”