About this app
Solo Karaoke Key Memo helps you save the key setting that works best for each song. Keep a stable baseline key and separate singing logs by date, so one lucky performance does not replace your standard. Works fast offline and syncs with iCloud across iPhone and iPad.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 6:47 PM $1.99
Screenshots
