About this app
I’m a Japanese teacher. This app collects sound effects that I always wished I had for class activities and conversation practice. With a wide variety of sounds, you can use it not only in lessons but also in many fun situations.
Latest release
What’s New
Bug fixes
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 17, 2026 · 6:55 PM Free