
Description: oTuner is a free, cross-platform auto-tuning application for musical instruments like guitar, bass, violin, and more. It listens to the sound played and gives visual feedback to help tune instruments quickly and accurately.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: AP Tuner is a Windows application that helps optimize your computer's settings for improved performance and stability when running audio production software like music recording programs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API