Best Functional Testing Tools

Compare the Top Functional Testing Tools as of April 2025

What are Functional Testing Tools?

Functional testing tools are software platforms designed to verify that a system or application performs as expected according to its functional requirements. These tools automate the process of testing individual features and functionalities of an application to ensure they work correctly. Functional testing tools typically support a variety of testing types, including unit testing, integration testing, and user acceptance testing (UAT). They allow testers to simulate user interactions with the application, execute test cases, and identify bugs or issues in the functional behavior of the software. By automating repetitive testing tasks and improving accuracy, functional testing tools help accelerate the software development lifecycle and ensure high-quality releases. Compare and read user reviews of the best Functional Testing tools currently available using the table below. This list is updated regularly.

  • 1
    Sahi Pro

    Sahi Pro

    Tyto Software Pvt Ltd

    Sahi Pro is a no-code test automation tool for web, desktop, mobile, and SAP applications. Sahi Pro empowers business testers and automation engineers to streamline their test automation processes. Sahi Pro reduces the time, effort, and complexity involved in test automation, making it an ideal choice for various domains including automobile, healthcare and BFSI. Features: 1. Non-flaky Test Execution - For reliable test results and reduced time wastage in analysis of false-positives or false-negatives. 2. Supports Multiple Technologies - Achieve end to end automation across technologies. 3. No-code Automation - Enable non-technical business testers to automate. 4. Integrations - Integrate and work with your existing ecosystem. Testers using Sahi Pro easily automate complex tests without writing code. With Sahi Pro, you can achieve faster release cycles, improved software quality, & reduced costs. Our customers love Sahi Pro for its speed, flexibility, and ease of use.
    Starting Price: $1499/year/user
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  • 2
    Testsigma

    Testsigma

    Testsigma

    Testsigma is a low-code end-to-end software testing platform that works out of the box. It's built to enable modern Product teams to collaboratively plan, develop, execute, analyze, debug, and report on their automated testing—for websites, native Android and iOS apps, and APIs. Testsigma test scripts are code-agnostic. While the platform itself is built with Java, you can write test scripts in simple English or use the Test Recorder to generate airtight test scripts for websites and native mobile apps. You can also use the test recorder on your own device farm/grid or on Testsigma's built-in device lab on the cloud. The platform has built-in visual testing, parametrized or data-driven testing, 2FA testing, and more advanced features for easy test automation. Our AI automatically fixes unstable elements and test steps, identifies and isolates regression-affected scripts, and provides suggestions to help you find and fix test failures.
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  • 3
    Parasoft

    Parasoft

    Parasoft

    Parasoft helps organizations continuously deliver high-quality software with its AI-powered software testing platform and automated test solutions. Supporting embedded and enterprise markets, Parasoft’s proven technologies reduce the time, effort, and cost of delivering secure, reliable, and compliant software by integrating everything from deep code analysis and unit testing to UI and API testing, plus service virtualization and complete code coverage, into the delivery pipeline. A powerful unified C and C++ test automation solution for static analysis, unit testing and structural code coverage, Parasoft C/C++test helps satisfy compliance with industry functional safety and security requirements for embedded software systems.
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    Starting Price: $125/user/mo
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  • 4
    Testim

    Testim

    Tricentis

    Testim is the fastest path to resilient end-to-end tests—codeless, coded or both. Testim lets you create amazingly stable codeless tests that leverage our AI, but also the flexibility to export tests as code. You can leverage Testim’s modern JavaScript API and your IDE to debug, customize or refactor tests. Store them in your version control system to keep them in sync with branches and run tests on every commit. Run parallel, cross-browser tests on our test cloud or Selenium-compatible grids while integrating with your CI and dev tools to run smoke tests on pull requests, end-to-end tests on release candidates, or full regression suites on a schedule. Customers like Microsoft, Salesforce, NetApp, Wix, and JFrog run millions of tests on Testim each month. Learn more on our website and sign up for your free account!
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    Starting Price: $20,000 a year
  • 5
    LambdaTest

    LambdaTest

    LambdaTest

    LambdaTest is a cloud-based testing platform that provides developers with tools to perform automated and manual cross-browser testing, mobile app testing, and visual regression testing. It supports over 3,000 browser versions and real devices, ensuring seamless performance across platforms. LambdaTest’s AI-driven features, such as test orchestration through HyperExecute and its native test intelligence, help teams reduce test execution time and enhance productivity. The platform also includes tools like Selenium, Cypress, and Appium integrations, enabling rapid and efficient test creation for both web and mobile applications.
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    Starting Price: $15.00/month
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    BrowserStack

    BrowserStack

    BrowserStack

    BrowserStack is the world’s largest cloud platform for software testing, with 19 global data centers & 20,000+ real Android and iOS devices that power nearly 1 Billion tests a year. BrowserStack's end-to-end unified testing platform is focused on supporting all genres of testing & operations, from functional testing to visual testing, accessibility testing, performance testing, test observability, API testing, and more. Over 50,000 customers, including Amazon, Paypal, Well Fargo Bank, Nvidia, MongoDB, Pfizer, GE, Discovery, React JS, Apache, JQuery and several others rely on BrowserStack to test their web & mobile apps.
    Starting Price: $29/month/user
  • 7
    TAST

    TAST

    SIPSA

    TAST, Test Automation System Tool is a comprehensive cloud test automation framework that enables businesses to maximize their test automation across the complete testing process from an End User´s perspective. It is easy to use and its graphical interface defines the automated test cases across technological platforms. TAST automates: *Cross Browser testing *Mobile testing *Desktop applications testing *DDBB testing: Oracle, PostgreSQL, MySQL, Db2. *File testing: txt, pdf, word, excel, csv, xml. *Mainframe testing: AS400, Host *APIs testing *Interface testing. *Remote Server testing. Types of tests you can automate with TAST: *Integration *Functional *System: Regressive, stress, load, parallel *Acceptance *A/B.
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    Selenium

    Selenium

    Software Freedom Conservancy

    Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily it is for automating web applications for testing purposes, but is certainly not limited to just that. Boring web-based administration tasks can (and should) also be automated as well. If you want to create robust, browser-based regression automation suites and tests, scale and distribute scripts across many environments, then you want to use Selenium WebDriver, a collection of language specific bindings to drive a browser - the way it is meant to be driven. If you want to create quick bug reproduction scripts, create scripts to aid in automation-aided exploratory testing, then you want to use Selenium IDE; a Chrome and Firefox add-on that will do simple record-and-playback of interactions with the browser. If you want to scale by distributing and running tests on several machines and manage multiple environments from a central point.
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    Sauce Labs

    Sauce Labs

    Sauce Labs

    Sauce Labs provides the world’s largest continuous testing cloud for web and mobile applications, giving development teams at the world's top digital brands access to a comprehensive and trusted solution they can use to deliver apps faster without compromising quality. Release better mobile apps to the market faster with extensive device and test coverage, streamlined beta app distribution, best-in-class error monitoring, and continuous feedback loops throughout your app development cycle. Ensure that your mobile apps work as they should in real-world scenarios, on any device, any browser, every time. Sauce Labs end-to-end mobile quality solutions enable organizations delivering mobile apps in the modern era of DevOps-driven development to achieve quality at speed throughout all stages of the app development journey - from development to production. No matter your testing needs,the application type you are developing, or your role in the mobile app SDLC, we've got you covered!
    Starting Price: $19 per user per month
  • 10
    TestingBot

    TestingBot

    TestingBot

    TestingBot provides automated, manual and visual testing of websites and mobile apps. It offers a remote grid of over 6000 browser and physical mobile device combinations. With TestingBot, you are able to run Selenium, Appium, Playwright, Puppeteer, Espresso, XCUITest and Cypress tests in the cloud. For each test that runs in the TestingBot cloud, you'll receive screenshots, a video and logs generated by the test. Some more features include: - Perform automated visual regression testing to detect visual bugs early on. - TestingBot provides geolocation testing from various countries around the world. - Live access to real browsers & devices, take control of a real device and test your iPhone or Android app. - Test Analytics to get an overview of your tests - Integrations with Slack, Jenkins, Github and more.
    Starting Price: $30/month
  • 11
    Ranorex Studio
    Empower everyone on the team to perform robust automated testing on desktop, web and mobile applications, regardless of their experience with functional test automation tools. Ranorex Studio is an all-in-one solution that includes tools for codeless automation as well as a full IDE. With our industry-leading object recognition and shareable object repository, Ranorex Studio makes it possible to automate GUI testing for even the most challenging interfaces, from legacy applications to the latest web and mobile technologies. Ranorex Studio supports cross-browser testing with built-in Selenium WebDriver integration. Perform effortless data-driven testing using CSV files, Excel spreadsheets or SQL database files as input. Ranorex Studio also supports keyword-driven testing: our tools for collaboration allow test automation engineers to build reusable code modules and share them with the team. Download our free 30-day trial for a risk-free start to test automation.
    Starting Price: $3,590 for single-user license
  • 12
    TestComplete

    TestComplete

    SmartBear

    Ensure the quality of your application without sacrificing speed or agility with an easy-to-use, GUI test automation tool. Our AI-powered object recognition engine and script or scriptless flexibility is unmatched, letting you test every desktop, web, and mobile application with ease. TestComplete comes with an intelligent object repository and support for over 500 controls, so you can ensure your GUI tests are scalable, robust, and easy to maintain. More automated quality means more overall quality. Automate UI testing across a wide range of desktop applications, including .Net, Java, WPF and Windows 10. Create reusable tests for all web applications including modern JavaScript frameworks like React and Angular on 2050+ browser and platform configurations. Create and automate functional UI tests on physical or virtual iOS and Android devices. No need to jailbreak your phone.
    Starting Price: $4,836
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    Perfecto

    Perfecto

    Perforce

    Perfecto Is the Leading Testing Platform for Web & Mobile Apps. We believe your apps should perform no matter what. With Perfecto’s cloud-based solution, you can boost test coverage for fewer escaped defects while accelerating testing. From creation to execution and analysis, Perfecto has a proven, unified solution for your web and mobile testing needs. Test in your CI instead of the end of the cycle, and identify real failures quickly with false-negative filtering. Align platform and scenario test coverage with your actual users. Test failure analysis provides real test failure reasons. Heatmaps, test reports, and CI dashboards give you fast feedback. Get the most comprehensive rich test artifacts on the market, like crash logs, screenshots, and HAR files. Get visual validation for a side-by-side comparison across platforms. Eliminate bug reproduction time. Fix defects from your IDE. Integrate fully with Jira for full test management.
    Starting Price: $99.00/month
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    Ranorex DesignWise
    Building high-quality, automated tests is a critical part of ensuring that software is well-optimized and polished before release. But it can also be time-consuming for programmers to build numerous tests to catch as many bugs as they can. Ranorex’s DesignWise software can refocus your test building to reduce test cycles, save money, and get your product out the door faster. DesignWise includes a collection of Intelligent Augmentation algorithms and a “control dial” that makes it easy for test developers to create the right number of tests for their project. Users can remove unnecessary variables and only focus on the parameters that they need. This enables team members to find and fill gaps in their test coverage and spot areas where tests are unnecessarily or overlapping and eliminate them.
  • 15
    BitBar

    BitBar

    SmartBear

    The most flexible cloud-based mobile app testing solution. Use any framework to run manual or automated tests on thousands of real devices. With unlimited users and unlimited concurrency, adapting seamlessly to your existing CI/CD processes and tools. The way we build, test and deliver software has fundamentally changed. Continuous Testing and Continuous Delivery are a challenge for most software developers. Today’s developer teams must be agile, flexible, and efficient to deliver better software experiences to customers as fast as possible. Use your existing processes, IDEs, CI/CD tools, and frameworks. Switch them whenever you want to any tool or framework in the market. Unlimited users and unlimited concurrency on thousands of real devices and browsers. Scale up or down as you need. Native support for any DevOps environment: Jenkins, Gradle, JIRA, Slack, TeamCity, Travis. Or use our powerful REST API to integrate with your favorite tools or services.
    Starting Price: $39 per month
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