About this app
Simple Xylophone for babies! + Multitone support. + Glissando support (continuously drag to play the keys). + No ads. + High volume + Colorful for kids. + Europe notation.
Latest release
What’s New
Small graphical fixes and improvements for the latest iOS versions.
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 Sep 2, 2026 · 10:04 PM Free
Screenshots
