Best Functional Testing Tools25Functional Testing Tools suppport continuous, automated, thorough testing of applications, transactional procedures, and user interfaces (UI / GUI) across multiple web, desktop, and mobile platforms.Appvance1https://media.trustradius.com/product-logos/wE/PB/CH3MC1G4WABE.pngSilk Test (formerly Borland Silk Test)2https://media.trustradius.com/vendor-logos/Zm/IY/D5DAJSH3LPPI-180x180.GIFTestingBot3https://media.trustradius.com/vendor-logos/1j/OV/2JENELLFI5RS-180x180.PNGTOSCA Orchestrated Service Virtualization4https://media.trustradius.com/vendor-logos/HL/h4/HWB1K44QS8WN-180x180.JPEGLegiTest5https://media.trustradius.com/product-logos/Pn/8v/ZC1LNSLAOWCV.PNGParasoft Development Testing Platform6https://media.trustradius.com/product-logos/A2/nS/41Z2MUGZ43IJ.pngCrossBrowserTesting7https://media.trustradius.com/product-logos/b1/OS/IK7VVTMO7C9S.PNGLEAPWORK Test automation and RPA8https://media.trustradius.com/product-logos/0Z/5e/X1D56LZ57HOK.PNGQARA Test9https://media.trustradius.com/product-logos/SG/M9/ICTZTJ2VVWFD.JPEGScreenster10https://media.trustradius.com/product-logos/Vt/jN/W7FNMAA30G0Z.JPEGHeadSpin11https://media.trustradius.com/product-logos/Ee/js/U4EBAK5IATD5.JPEGAgreeYa BeatBlip12https://media.trustradius.com/vendor-logos/mq/aO/G2Q7AV2SJN2J-180x180.JPEGQualiDI13https://media.trustradius.com/vendor-logos/uo/sZ/4EIO9FBOK63L-180x180.JPEGGxQuality14https://media.trustradius.com/vendor-logos/3B/Rx/0U4L16ZLR8MR-180x180.JPEGopenSUSE openQA15https://media.trustradius.com/product-logos/H5/2h/UD31SWJNAU7Z.JPEGXavient CAE - Comparative Analysis Engine16https://media.trustradius.com/vendor-logos/Ba/mH/G7OPIHD31T6W-180x180.JPEGIxia IxLoad VE17https://media.trustradius.com/product-logos/FJ/U2/Q20XJCOSHAF3.JPEGIxia IxNetwork VE18https://media.trustradius.com/product-logos/FJ/U2/VDCT8G3H9FG2.JPEGClicQA19https://media.trustradius.com/product-logos/xV/Kb/TOPHI0HVR0HS.JPEGHCL OneTest20https://media.trustradius.com/vendor-logos/z0/so/OW6ZG3V2HUG9-180x180.JPEGGhost Inspector21https://media.trustradius.com/vendor-logos/eh/KA/TUACXCK90T4N-180x180.JPEGmabl22https://media.trustradius.com/vendor-logos/bE/gJ/29JEH47KBCIN-180x180.JPEGpCloudy23https://media.trustradius.com/product-logos/Ws/Z1/2TUO0BUCM3MW.JPEGAutomaton24https://media.trustradius.com/vendor-logos/oM/XZ/HIGRH06HOPT6-180x180.PNGCompuware Topaz for Total Test25https://media.trustradius.com/vendor-logos/8k/u4/TRTQ5C22FMIQ-180x180.JPEG

Functional Testing Tools

Best Functional Testing Tools

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Functional Testing Software Overview

What is Functional Testing Software?

Functional testing is a step in product development where software is tested to ensure it conforms to requirements. These functional requirements are generally concerned that a product’s components (e.g. a UI element or similar) simply do what they are meant to when used normally as intended. While relatively limited (by design), functional testing tools are optimal for QA purposes.


With functional testing software, input simulating user behavior can be fed into an application. Its response, the output, can be evaluated against a predetermined requirement. The test result is simply an observation of the output compared to a requirement. The results of a functional test can usually be expressed as a simple “pass” or “fail.” But besides input/output testing, functional testing tools may also support testing overall usability of a system of components against a requirement. A unified functional testing framework provides means of testing individual components, sub-systems, or an entire chain of anticipated user actions and related processes. Functional testing tools may be triggered manually, but to provide quality assurance at speed, advanced functional testing tools provide automated testing.

Types of Functional Testing

Various kinds of functional tests provided or supported by functional testing tools are:


  • Unit testing of a small unit of code, or a single task within the software code. Unit tests are often automated.

  • Smoke testing, or alternately sanity testing. This is a preliminary test to uncover severe failures that might make more detailed or advanced process testing impossible.

  • Interface testing, or the process of testing a product’s graphical user interface to ensure it meets specifications, or that navigation works as designed.

  • System testing, or testing components working in concert within an integrated system to ensure together they behave in compliance with requirements.

  • Regression testing, which is designed to uncover new bugs after patches or configuration changes have been made to a system.


Functional testing is distinguished from non-functional testing by its purpose, and by a typical test result. Non-functional testing includes measuring how an application scales or performs under various scenarios (e.g. performance testing), or simply measuring how the app handles realistic or high usage volume (e.g. load testing). Rather than signaling whether or not a functional requirements of a system or sub-system has “passed” or “failed” for QA or compliance purposes, non-functional tests produce results supporting more detailed analyses and comparisons. But while these tests differ, it is not uncommon that test software vendors support all types of software testing within a single test automation tool suite purchased via single license.

Pricing Information

Many functional testing tools are available free and open source. These tools are usually purpose built and specific to certain kinds of projects or apps (e.g. for Android apps, etc.). Open source tools may present the best option for small projects and independent developers. Also inexpensive live testing tools are available, some for $20 monthly. But functional test tools providing automation or complex multi-purpose testing are generally priced $250 monthly for short-term subscriptions, or $2000 to $3000 annually per licensed user with volume pricing available. Such high end suites support testing applications across browsers, mobile platforms, APIs, as well as ERP applications, and legacy systems. They also include load and performance testing capabilities, as well as live support. The intended users of advanced test automation suites are larger enterprises.


Functional Testing Products

Listings (26-50 of 50)

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San Jose-based company Appvance offers testing services, including functional, load, application security, and performance testing.

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TestingBot is a cross-browser functional testing tool for websites from a Belgian developer.

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LegiTest is a comprehensive data testing solution that aims to ensure 100% data accuracy between databases, applications, and web services. According to the vendor, key capabilities include: Unit Test Data Ability to unit test SQL Databases, SSIS Packages, SSRS Reports, SSAS Cubes, Web Services ...

CrossBrowserTesting is a complete browser testing platform from SmartBear that allows users to interactively test and debug over 1500 real desktop and mobile browsers. The vendor says, with today's fragmented mobile first world, developers and testers need to test their websites and web applicati...

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Test automation and RPA Automate work processes in minutes to reap efficiency gains in your company. The LEAPWORK Automation Platform for test automation and RPA empowers your workforce to implement fast, efficient, and robust test automation and process automation across systems and technologies...

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The Digital Group's Quality Assurance with Rapid Automation (QARA) is an integrated platform that supports declarative, zero coding functional test automation design, management, planning, and execution along with built-in reporting capabilities. The vendor says QARA is tailor-made for organizat...

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Screenster is a low-code solution for web UI testing automation. Along with the full support of Selenium and JavaScript, this tool features rich functionality for codeless test authoring and editing. Screenster enables robust automation of visual UI testing with self-healing locators, DOM and con...

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HeadSpin aims to serve all the mobile performance and user experience needs of its users. The vendor says that through its Mobile Performance Platform (MPP), HeadSpin provides mobile application developers, carrier networks, device OEMs, and CDN providers detailed visibility into user experience...

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AgreeYa Solutions offers BeatBlip, a continuous test automation tool supporting web application functional and regression testing, support for mobile or hybrid web applications, unattended or scheduled parallel testing, custom plugins and extensions, and many integrations with popular development...

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Bitwise headquartered in Schaumberg offers QualiDI, a functional testing tool which centralizes EDL testing and integrates with the Bitwise Test Data Management (TDM) suite and business rules engine.

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GalaxE.Solutions headquartered in Somerset offers GxQuality, a QA application designed to build, automate, and manage functional testing, regression tests, or other approaches to quality control.

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THe openSUSE openQA is a test automation tool for testing the installation process for an operating system. openSUSE is the open source project supported by the German company SUSE.

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Keysight Technologies company Ixia offers IxLoad VE for the functional and performance testing of virtualized servers and converged network adapters (CNAs) for cloud computing.

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Keysight Technologies, via the company's Ixia division, offers IxNetwork VE, a functional and performance testing tool providing a framework for testing physical and virtual devices, and provide benchmarking for virtual servers in a network.

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ClicQA is an Independent Software Testing company, providing comprehensive Software Testing services. The vendor has developed a cloud-based software testing tool ‘ClicTest’ and test execution platform “TestPace” to empower their software testing offerings. With a presence in India, United Kingd...

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HCL Technologies headquartered in India offers OneTest, a testing suite capable of functional and performance testing and a service virtualization solution which is capable of providing missing elements of a web service during development and testing processes.

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Ghost Inspector is a browser test automation and recording tool for testing website and web app functionality, from the company of the same name headquartered in Seattle.

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mabl is a regression test automation tool with test output visualization and performance regression for tracking the perceived speed of web apps and sites, from the company of the same name in Boston.

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pCloudy is a mobile app testing platform for performing manual as well as automated testing on more than 5,000 device-browser combinations hosted on the cloud. It provides hosts of other services like bot testing and in-field user experience testing. pCloudy provides On-Premise, Private and Publi...

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AutomatonTM is a test automation tool. AutomatonTM uses a visual flow chart-based design interface. It enables end to end continuous test automation of all components in application development - Web, APIs, Logs and Database Processes/Operations. With no-code interface, users without any coding ...

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Compuware's Topaz for Total Test provides automated functional, regression, and unint testing, increasing the effectiveness and coverage of software testing, leading to fewer bottlenecks in the software delivery pipeline, lower failure rates and higher quality software.