Appium is an open-source automation framework that facilitates testing native, hybrid, and mobile web applications on iOS, Android, and Windows platforms. It allows testers to write tests using multiple programming languages such as Java, Python, Ruby, and JavaScript. Appium leverages the WebDriver protocol, enabling seamless cross-platform testing without modifying the app’s code. A unified API supports multiple devices and operating systems, making it a versatile tool for testing mobile apps. Appium Training in Chennai offered by FITA Academy provides thorough courses to assist you in becoming an expert in mobile app automation if you're trying to master this product.