Appium is one of the most popular testing tools among developers. Its popularity among native and hybrid mobile app developers stems primarily from its adaptability and large open-source community.
Appium is a gateway to a treasure trove of advice and support, built and backed by Sauce Labs: if you run into any issues during testing, its vast open-source community will point you in the right direction.
It is also among the most user-friendly iOS app automation testing tools available. There is no need to install an SDK in your program, and there is no need to recompile the application because it uses a standard API.
The fourth significant advantage is adaptability, which is a must for any mobile automation testing team. Appium is compatible with any testing framework and programming languages like Java, JavaScript, Python, and PHP. You may also use Java to customize it to work with various devices.
Calabash
Calabash is an open-source endeavor for automated mobile testing, similar to Appium. Its simplicity. defines it, just like Appium does. Although less comprehensive than Appium, it nevertheless has certain unique benefits.