Glossary Device Cloud

Many of our notions only sound like bird’s twittering?
Here’s where we explain them!


Appium is an extension of Selenium and a framework for testing mobile apps and websites on Android and iOS. It extends Selenium by providing control of the device via typical gestures (like scrolling and swiping), and provides tools for mobile testing.

Automated Testing

Process of automated execution of the determined test-cases on virtual or real devices, according to the test-cases, steps, and criteria determined within Test Automation.


A platform where developers can upload beta apps, create teams, and invite testers to test their beta apps.

Concurrent Slots

Number of manual and automated tests that can be run simultaneously, and can be combined as required. For example, you can use four concurrent slots for two automated and two manual tests simultaneously.


Emulators allow you to run devices, operating systems, browsers and other software in a virtual environment instead of on physical devices. Hence, you can test software in emulators on different systems during development, without having to copy it onto those systems. Emulators make it possible to develop and test software for systems other than the working space.


Frameworks contain predefined functionalities and best practices that support developers in solving complex problems easier and quicker. They provide tools and reusable components that have an impact on the application architecture.

Global Real Device Network (GRDN)

The Testbirds GRDN provides developer teams with a dynamic and flexible testing approach. It uses mobile devices of signed up testers and allows remote testing on a global scale. Testers connect their smartphones and tablets to our testing platform and enable remote access. Thus, customers can execute manual and automated tests using the unique local conditions of the devices.

Manual Testing

Remote access and direct control of real devices, virtual machines, and emulators. Through our Global Real Device Network (GRDN), we provide access to numerous combinations of devices, operating systems, and software from testers around the world.


Selenium is a framework used to automate tests of websites and mobile apps. It simulates user interactions and enables remote control of the browser.

Test Automation

Process of concepting and implementing desired tests and test-cases for the purpose of quality assurance of an application. Thereby, the customer determines the functionalities to be tested and how the test is supposed to be executed automatically.

Virtual Machine

Virtual Machines (VM) allow you to run devices, operating systems, browsers, and various software in a virtual environment instead of a physical computer. Errors can be reproduced and better understood to find the best solution for the occuring problem.

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