About this app
Inspired by Harman International's How to Listen, Sound Trainer presents the "Identify Band" task to develop crucial listening skills. In the "Identify Band" task, users alternate between listening to the original audio source and the equalized audio source to determine which frequency band has been equalized.
Latest release
What’s New
- Support iPad ( all orientations ) - Bug fix and improvement
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 16, 2026 · 1:52 PM Free