
Description: Clean Master is an Android app that helps clean up storage space and memory to optimize device performance. It removes residual and cache files, uninstalls unused apps, clears browser history, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: System Ninja is a system optimization and privacy tool for Windows. It cleans up unnecessary files, fixes registry issues, manages startup programs, and includes other utilities to speed up your PC and enhance privacy.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API