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<p>Device farms are used to simulate the testing process of iOS and Android applications on multiple device platforms. Subsequently, you can cut labor costs and time required by using some of the best device farms for testing. Hence, it helps you achieve greater test coverage and eases your DevOps mobile pipeline.</p>



<p>In recent times, there has been a gradual increase in the range of mobile devices. We see devices with different features, OS, screen sizes, etc. Therefore, it&#8217;s natural that we need to put more effort into testing our applications on each of these devices. We want our applications to work flawlessly on every possible device the user might use.</p>



<p>With all these new versions of Android and iOS devices available, manual testing will take a toll on your budget and labor hours. Hence, there was a need for a platform that would allow you to perform simulated manual testing on a broad range of devices all in one place.</p>



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<div id="toc_container" class="no_bullets"><p class="toc_title">Table Of Contents</p><ul class="toc_list"><li><a href="#What_are_device_farms"><span class="toc_number toc_depth_1">1</span> What are device farms?</a></li><li><a href="#Benefits_of_mobile_app_testing_on_device_farms"><span class="toc_number toc_depth_1">2</span> Benefits of mobile app testing on device farms</a></li><li><a href="#Best_mobile_device_farms_for_testing"><span class="toc_number toc_depth_1">3</span> Best mobile device farms for testing</a><ul><li><a href="#Testsigma"><span class="toc_number toc_depth_2">3.1</span> Testsigma</a></li><li><a href="#AWS_Device_Farm"><span class="toc_number toc_depth_2">3.2</span> AWS Device Farm</a></li><li><a href="#Sauce_Labs"><span class="toc_number toc_depth_2">3.3</span> Sauce Labs</a></li><li><a href="#Firebase_Test_Lab"><span class="toc_number toc_depth_2">3.4</span> Firebase Test Lab</a></li><li><a href="#Samsung_Remote_Test_Lab"><span class="toc_number toc_depth_2">3.5</span> Samsung Remote Test Lab</a></li><li><a href="#Xamarin_Test_Cloud"><span class="toc_number toc_depth_2">3.6</span> Xamarin Test Cloud</a></li><li><a href="#Kobiton"><span class="toc_number toc_depth_2">3.7</span> Kobiton</a></li></ul></li><li><a href="#Conclusion"><span class="toc_number toc_depth_1">4</span> Conclusion</a></li></ul></div>
<h2 id="f6aan"><span id="What_are_device_farms">What are device farms?</span></h2>



<p>When the device fleet rose in earlier times, Nokia started an initiative to make the lives of testers somewhat easier. They would allow them to run their applications on rented devices in a remote-controlled mode. However, we could not scale it to the extent of mobile variations that we have now.</p>



<p>As a further development, now the OS itself could provide tools that would allow testers to simulate user actions on applications. Consequently, they can write scripts that can be executed on mobile phones running in developer modes. These scripts would easily imitate user actions on devices.</p>



<p>Subsequently, they built DevOps tools that automatically build and run these scripts on thousands of mobile devices. These devices would have the target applications on them and run in developer mode.</p>



<p>A fleet of such devices with different variations running on remote cloud labs is called a device farm.</p>



<h2 id="bm1j6"><span id="Benefits_of_mobile_app_testing_on_device_farms">Benefits of mobile app testing on device farms</span></h2>



<p>If you are working at scale, <a href="https://testsigma.com/mobile-testing" target="_blank" rel="noopener noreferrer">testing your mobile applications</a> on multiple devices becomes really expensive and time-consuming. On device farms, you have access to thousands of devices with different configurations.</p>



<p>You can leverage emulators and simulators to perform your testing. Cloud-based testing also allows you to capture performance issues. Here are some of the most important benefits of using device farms for mobile app testing.</p>



<ul><li>You have lots of devices with different OS platforms, screen orientations, display sizes, memory, network, etc. It reduces the overall maintenance and infrastructure cost.</li><li>You can perform parallel testing which will save you tons of time.</li><li>Cloud-based environments are usually secure and they can be accessed from anywhere.</li><li>You can get detailed reports in the form of graphs, video recordings, screenshots, etc.</li><li>With the help of all the reports, it becomes easier to spot bugs and fix them.</li><li>You can easily integrate them with your CI/CD pipeline, making collaboration easier.</li></ul>



<h2 id="b5a22"><span id="Best_mobile_device_farms_for_testing">Best mobile device farms for testing</span></h2>



<p>On a lower level, all the device farms use some kind of special script. This script is launched by the OS to simulate actions like gestures, button presses, touch, etc.</p>



<p>The main difference is the subsystems used by these device farms for executing these scripts. Some of the popular ones are &#8211; Espresso, Appium, Calabash, UI Automator, Robotium, XCTest, etc.</p>



<p>In this article, let’s discuss a mix of free and professional device farms and test labs.</p>



<h3 id="1e3u3"><span id="Testsigma"><a href="https://testsigma.com/" target="_blank" rel="noopener noreferrer">Testsigma</a></span></h3>



<figure class="wp-block-image"><img src="https://s3.amazonaws.com/static-docs.testsigma.com/new_images/projects/applications/dashboard.png" alt="Testsigma Dashboard showing all the sections"/></figure>



<p>Testsigma is not just a device farm but a cloud-based, no-code test automation platform. It allows you to perform parallel <a href="https://testsigma.com/automated-mobile-app-testing" target="_blank" rel="noopener noreferrer">automated tests on real devices</a> hosted in the cloud. It helps you to create test cases using plain English, and there is no need to set up any infrastructure.</p>



<p>Here are the features of Testsigma that make it sit right on top of the deck.</p>



<ul><li>Testsigma has zero learning curve, enabling everyone to test on the go with its simple English scripting feature</li><li>You can perform <a href="https://testsigma.com/automated-mobile-app-testing">automated mobile app test</a> scenarios on 3000+ iOS and Android devices remotely.</li><li>Parallel automated testing is supported, allowing for quick results.</li><li>Creating detailed test cases for UI/UX testing is easy with Testsigma.</li><li>Testsigma provides drill-down test reports with video recordings and screenshots.</li><li>Bug sharing, CI/CD integration, and other features make reporting results faster and easier.</li></ul>



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<p class="title">Testsigma can help you cut test maintenance by 50% across platforms with live mobile app testing on its device farm.</p>
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<h3 id="fqfak"><span id="AWS_Device_Farm">AWS Device Farm</span></h3>



<p>This is the most widely used and best mobile device farm for testing currently available. It lets you test concurrently on multiple devices to speed up the execution of your test suites. It also generates logs and videos for extensive debugging.</p>



<p>A large number of devices with options to choose memory, CPU usage, location, carriers, etc.</p>



<p>Videos and logs to reproduce the bugs faster. Fine-tune real-world environments by setting location, network, language, etc. Several plugins and APIs to integrate with your CI/CD, like Jenkins, Android Studio, etc.</p>



<p>Set up private device labs to avoid long waiting queues. For script executors, you can use Appium (iOS + Android), Espresso and Robotium for Android, and UIAutomation and XCTest for iOS.</p>



<h3 id="at6t2"><span id="Sauce_Labs">Sauce Labs</span></h3>



<p>Sauce Labs allow you to expedite live and automated mobile app testing on public and private device clouds. You can use Android emulators and iOS simulators that are highly reliable, cost-effective, scalable, and optimized for your CI/CD pipeline.</p>



<p>You can easily achieve beta, live, automated, and API testing using high volumes of real device tests with minimum error rates.You will have access to features such as unlimited screenshots and videos, single-use VMs, secure local tunneling, REST API access, tons of debugging tools, etc. </p>



<p>Similar to AWS device farms, Sauce Labs also allows you access to the best script executors including Appium, Espresso, and XCUITest.</p>



<h3 id="2hgl3"><span id="Firebase_Test_Lab">Firebase Test Lab</span></h3>



<p>This has been developed by Google and is specifically designed for testing Android applications, but you can also test iOS apps. It uses real production devices for app testing running in Google data centers.</p>



<p>They have customizable locale settings and updated APIs. You can easily road-test your app by configuring the hardware and software configurations. Some of its key capabilities are &#8211;</p>



<p>Firebase Test Lab is integrated with Android Studio, Firebase console, and gCloud CLI. You can even integrate it with your CI pipelines. To execute scripts, you can use Espresso, Robotium, UI Automator 2.0, and Robo tools.</p>



<p>It provides testing and cloud API quotas included in Blaze and Spark testing plans. The spark plan is free and can perform 15 daily test runs. The blaze plan determines the cost based on the time taken for test runs.</p>



<h3 id="avd6v"><span id="Samsung_Remote_Test_Lab">Samsung Remote Test Lab</span></h3>



<p>Needless to say, Samsung owns a big chunk of the world&#8217;s smartphone and Android market. Hence, it’s worth noting the remote testing lab provided by Samsung.</p>



<p>This device farm contains all the flagship Samsung smartphone devices. Additionally, testers will have access to innovations even before they have rolled them out to market. This will allow you to test the operations of your applications on devices that have not yet launched.</p>



<p>Not only this, you can even perform tests on Tizen-based devices like Galaxy smartwatches and Tizen mobiles.</p>



<p>There are more than 30 smartphone and tablet models to perform your tests on. It allows you to manually record all the events and steps you want to test in the same sequence. Besides, it enables you to perform remote debugging.</p>



<p>The Samsung device farms are completely free to use. However, the only constraint is that you can only test your application on Samsung smartphones.</p>



<h3 id="53i5u"><span id="Xamarin_Test_Cloud">Xamarin Test Cloud</span></h3>



<p>The Xamarin device farms are a part of Microsoft’s Visual Studio App Center. It allows you to run your tests on over 2500 mobile devices. You can upload your application and tests on the Xamarin Cloud using Visual Studio. This will automatically install the application on the environment and prepare your test runs.</p>



<p>Xamarin offers frameworks such as Appium, Calabash, Espresso, and Xamarin.UITest to execute your test scripts. When the test runs are completed, it will send out a notification with detailed test reports to all the registered users.</p>



<h3 id="3gj89"><span id="Kobiton">Kobiton</span></h3>



<p>With Kobiton, you can access hundreds of real devices in the cloud. Concerning performance, these devices mimic actual devices in hand. It has a slew of features without any complicated setup procedures.</p>



<p>Whether you run manual or automated tests, it captures detailed, rich test logs in formats like screenshots and videos, along with metrics like memory and battery performance. You can easily replay scenarios to perform root cause analysis.</p>



<p>You can perform parallel execution of all your test scripts. It allows you to integrate it into your CI/CD pipelines quickly. With the help of ADB debugging, you can easily get hold of cloud (or local) devices straight from your developer workstation. You can natively access mobile devices directly from your IDE.</p>



<p>You can <a href="https://www.vpnreactor.com/best-free-vpn/" target="_blank" rel="noreferrer noopener">use VPN</a> from your private Kobiton cloud to ensure flexibility but not at the cost of security. Kobiton supports open standard frameworks, which means that your scripts are protected. Some of these are Appium, Espresso, Selenium, XCUI, etc.</p>



<h2 id="73ec3"><span id="Conclusion">Conclusion</span></h2>



<p>In this article, we have reviewed some of the best device farms you can use to test your iOS and Android mobile applications. There’s no doubt that, when used at scale, the benefits of using cloud-based device farms are immense.</p>



<p>It helps testers get out of the hassles of multi-device UI/UX testing, saves a lot of time, and cuts labor costs. If you are a single developer looking to test your app on a few devices, you can try out a free solution like Firebase Test Lab, Samsung Remote Test Lab, etc.</p>



<p>If you are working on an app with a potentially large target audience, it&#8217;s always better to test the application thoroughly on as many device configurations as possible. In that case, you can try out platforms like AWS Device Farm, Kobiton, etc.</p>



<p>But if you are looking for a completely hassle-free and automated solution, you should definitely give a test-automation platform like <a href="https://testsigma.com/" target="_blank" rel="noopener noreferrer">Testsigma</a> a shot.</p>



<p>Stay Tuned!</p>


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