Archived App (Last seen on 4 Mar 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
该App结合音频分析仪用于耳机线音频指标的生产测试，可播放指定文件、录音、获取录音文件到PC端等功能。
What's New in LETTEST
1.32
August 16, 2022
fix some bug
