
BrowserStack
Sauce Labs
TestMu AI (Formerly LambdaTest)
browserling
Browsershots
Litmus
MultiBrowser
Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.

Kie.ai
ToAPIs
Crun.ai
APIPASS API Market
RunwayML
OpenRouter
Veo 3 Video Generator
Affordable AI API gateway - cheap access to OpenAI, Anthropic, Google models through unified interface. Low cost alternative to direct API integration

Which is more popular?
Based on our record, CrossBrowserTesting seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | crossbrowsertesting.com | defapi.org |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CrossBrowserTesting yet.
Defapi is a premier API aggregation platform for AI models, giving developers a single point of access to world-class models from across the globe. Using Defapi, you can quickly plug into the newest capabilities from OpenAI, Anthropic, Google and other top vendors. Defapi streamlines AI adoption...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
This service is highly recommended for software development teams, QA engineers, and web developers who need to ensure compatibility and functionality of their web applications across multiple browsers and devices. It is particularly useful for organizations with a focus on maintaining high-quality user experiences across various platforms.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Cross Browser Testing Tool Comparison – LambdaTest vs. CrossBrowserTesting
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CrossBrowserTesting and Defapi.org. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Yeah I moved on pretty quick from browserstack, but it seems to be the most popular. I've tried crossbrowsertesting.com but at the moment I really like app.lambdatest.com. Source: about 4 years ago
Https://geizhals.de/ - this is a german site but the UI is nice and you can find a lot of stuff. Https://www.gsmarena.com/search.php3? - a phone search site. When I was at https://crossbrowsertesting.com we used this site a... - Source: dev.to / over 4 years ago
Fortunately we don’t need to install, nor configure, any other tools, unless maybe some fancy reporters, but for now we can get everything we need in terms of end-to-end automated testing out of Nightwatch. Besides Chrome, Nightwatch has... - Source: dev.to / over 4 years ago
Tracking Defapi.org since Dec 2025.
When comparing CrossBrowserTesting and Defapi.org, you can also consider the following products.

BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.
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Affordable DeepSeek R1 API with powerful reasoning and robust security.
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Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Compare Sauce Labs to CrossBrowserTesting or Defapi.org:

Enterprise AI API Gateway supporting GPT-5, Claude Sonnet 4.5, Gemini 2.5 and 50+ models. OpenAI compatible, 5-min migration, 99.9% SLA.
Compare ToAPIs to CrossBrowserTesting or Defapi.org:

World’s first full-stack Agentic AI Quality Engineering platform.
Compare TestMu AI (Formerly LambdaTest) to CrossBrowserTesting or Defapi.org:

One API to access all top AI models—video, image, audio, and text. Fast integration, 30–70% cost savings, high-performance, and developer-friendly.
Compare Crun.ai to CrossBrowserTesting or Defapi.org: