Apps similar to Blisk include BrowserStack. It's paid, but Responsively and MultiGlancer are free. Other options are TestMu AI , Browserling, LT Browser and Polypane. You can choose from more than 10 Web Debuggers like Blisk for the web, Mac, Windows and Linux.
TestMu AI (Formerly LambdaTest) is a full-stack AI platform for automated testing across web, mobile, and enterprise apps with agent-driven analysis, real device and browser support, parallel execution, and CI/CD integration for scalable quality assurance and detailed analytics.
United States
BrowserStack is the world’s largest cloud platform for software testing, with 20,000+ real Android and iOS devices that allow developers to comprehensively test their websites and apps for functionality, performance, and visual appeal.
India
Develop responsive web apps 5x faster! A must-have DevTool for all Front-End developers that will make your job easier.
United States
MultiGlancer is a minimalist and open-source tool I've developed to streamline the web development process. It allows developers to view their site on multiple web sizes simultaneously on a single screen. Born out of necessity while perfecting my landing page for ArcanePad.
Browserling lets you quickly cross-browser test your websites in all the most popular browsers, such as Internet Explorer, Chrome, Safari, Opera and Firefox. We run the browsers in virtual machines and you get live access to them.
United States
Enables real-time debugging of websites on mobile and tablet views, supports 50+ device profiles, allows side-by-side testing, custom device setups, separate Dev Tools for each device, and screens for responsive design, all within a web-based platform.
United States
Polypane is a browser built from the ground up to create websites and apps. Polypane is the only browser that lets you develop a website for all viewports and devices at once, and gives you the best overview of them.
Netherlands
EU
A browser extension for displaying responsive web-pages in a side-by-side views to quickly test how it looks at different resolutions and devices.
Russia
BrowserPage.net - the most intuitive Responsive Design Checker online tool for your Website.
Solis is a Live Design Output that integrates seamlessly with your favourite code editor to deliver real time, multi viewport previewing of HTML, CSS, SASS and LESS as you write it.
United Kingdom
A Chrome extension that overlays real phone and tablet frames over any live website, so you see the desktop and mobile layout side by side at the same time.
MultiBrowser (or Multi-Browser Viewer) is a cross browser and functional web testing software tool, using REAL standalone browsers, an accurate mobile emulator and integrates seamlessly with Visual Studio and Selenium for automated testing.
