
Responsively
Sizzy
browserling
BrowserStack
LT Browser by TestMu AI
TestMu AI (Formerly LambdaTest)
Browsershots
The browser for ambitious web developers that want to 5× their quality and efficiency.

Sauce Labs
CrossBrowserTesting
browserling
Browsershots
BrowserStack
Litmus
MultiBrowser
Automated and Manual Browser and Device testing.
Which is more popular?
Based on our record, Polypane should be more popular than TestingBot. It has been mentioned 40 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | polypane.app | testingbot.com |
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| Platforms | ||
| Company | 2019 | 2012 |
| Listed in |
In their own words, as submitted to SaaSHub.


Developing and designing just got easier. The most powerful browser for web developers. Available on all platforms. Polypane shows your site in multiple viewports at once and keeps them all in sync while you work. Develop responsive websites and apps twice as fast and get better results, because...
TestingBot provides a real device cloud as well as a Selenium browser grid. Customers can create and run test scripts on these browsers and devices on TestingBot. They will receive test results, a video of the test, screenshots and logs. Make sure your apps and websites work flawlessly on all...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Polypane is particularly recommended for web developers, front-end developers, UX/UI designers, and accessibility specialists who require an integrated environment for testing different screen sizes, resolutions, and accessibility features in a cohesive manner.
No analysis of TestingBot yet.
Walkthroughs and reviews on video.
Polypane Demo
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Polypane and TestingBot.
TestingBot's answer:
TestingBot's answer:
TestingBot's answer:
TestingBot guarantees single-use browsers. Each test runs on a brand new machine, and is destroyed after the test. This guarantees a pristine test environment.
All devices and browsers are located in Europe, providing minimal latency to QA and developers located in Europe.
TestingBot's answer:
While TestingBot is a smaller company compared to other competitors, the main advantages that TestingBot provides is: - better, one-to-one customer support - easy UI - extensive, easy-to-follow documentation
Share your experience with using Polypane and TestingBot. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


The point isn't showing what they look like, it's that the result is randomized. Screenshots aren't, so that kind of defeats the purpose. The article starts with instructions on how to actually see and interact with the demos (the... - Source: Hacker News / 4 months ago
We also need to talk about Source Order vs. Tab Order—they’re more different than you’d expect 👀. Source Order is the sequence of nxodes inside their parent in the DOM. Tab Order is the sequence of focusable nodes navigated using the Tab... - Source: dev.to / over 1 year ago
URL: https://polypane.app What it does: A browser tailored for developers, enabling real-time testing and previewing of responsive designs. Why it's great: Test your site on multiple screen sizes simultaneously for smoother... - Source: dev.to / almost 2 years ago
8. TestingBot TestingBot offers a cloud-based platform for automated cross-browser testing. With support for Selenium and Appium, it enables teams to perform tests on real devices and browsers efficiently. The platform provides... - Source: dev.to / almost 2 years ago
TestingBot offers cloud-based automated and manual testing services for web and mobile applications. It simplifies the testing process across many browsers and devices, focusing on ensuring compatibility and optimal performance. - Source: dev.to / over 2 years ago
We use it at https://testingbot.com to provide a realtime video stream of remote desktops and mobile device screens. Mostly with Pion (Go). - Source: Hacker News / over 4 years ago
When comparing Polypane and TestingBot, you can also consider the following products.


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Live interactive cross-browser testing from your browser.
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BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.
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