Appium is a mobile application testing tool that allows you to test iOS and Android applications on physical devices simulators and emulators. Appium supports a wide range of features including automation of native web and hybrid applications. You can use Appium to test any mobile application including those that are developed using the Native SDKs web technologies such as HTML5 or hybrid technologies such as Cordova and Ionic.

Appium is a free and open-source tool used for automating mobile app testing. It can be used for testing apps on both Android and iOS platforms. Appium supports native hybrid and web apps. It uses the WebDriver protocol to communicate with iOS and Android apps.

Appium has a number of advantages over other mobile app testing tools:

It is free and open-source

It can be used for testing apps on both Android and iOS platforms

It supports native hybrid and web apps

It uses the WebDriver protocol to communicate with iOS and Android apps

It has good community support

Appium is an open-source test automation framework for use with native hybrid and mobile web apps. It supports Android and iOS platforms using the Selenium WebDriver API. Appium is a "cross-platform" tool which means it can be used for testing Android and iOS apps on both emulators (simulators) and real devices. In order to use Appium, you need to have either Android or iOS SDK installed on your computer.