
Description: Guitar Tuna is a popular guitar tuning app for iOS and Android. It uses the device's microphone to detect the notes played on a guitar and displays the relative tuning with a chromatic tuner interface. The app can tune 6- and 7-string guitars and includes alternate tunings.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Pro Guitar Tuner is a guitar and bass tuning app for Android and iOS. It uses advanced algorithms for accurate tuning and features a simple, clean interface, multiple tuning modes and calibration, and pitch visualizations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API