Cypress vs K6

Side-by-side comparison of features, reviews, pricing and more

Cypress

Category: Automation Software Tools
Industries: Marketing, Financial, Technology, Business

Pricing

Free

Team - $75 per month

Business - $300 per month

K6

Category: Automation Software Tools
Industries: Marketing, Financial, Technology, Business

Pricing

Developer - $99 per month

Team - $499 per month

Pro - $1499 per month

20M+ Downloads
5/5

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Cypress reviews

I am working with Cypress for over 3 years. This framework is reliable, fast, and user-friendly. Failed tests debugging is enjoyable with a detailed open mode console. The amount of functionalities is amazing and its usage usually is just as simple as entering one or two methods. Each test is recorded/screenshotted if failed. Adaptation to users' needs is vast - multiple configs if needed, different types of tests (frontend, API), a huge amount of open-source plugins ready to work within two terminal commands, and much more. Documentation, as well as customer support, help greatly with all problems and questions. In 95%, if you have a bug, somewhere there is a solution. However, Cypress has some downsides, like a lack of native parallelization support (which needs an external cloud). Some functionalities (because of the framework architecture) are not supported (iframes) or resolved in a strange way (real mouse hover). Also, the structure of the tests (cy.get...) may be confusing at the start, especially since it is completely different from Selenium syntax. To sum up this review, Cypress is an amazing piece of code, that helped me greatly through the years. It has some specific problems and a unique structure, but when understood and used correctly it is extremally powerful and can be widely implemented to handle apps testing.

- Piotr P.

A really revolutional tool for web testing. We have integrated cypress tests with our application deployment pipeline. We couldn't do it before with our Selenium tests because of their flakiness.

- Igor S.

They are active in the Atlanta development community which I really appreciate. They have made a great product and they continue to listen to what users want.

- Ryan R.

K6 reviews

"Developer-Friendly Performance Testing Tool & Infrastructure" What do you like best about k6? -Excellent documentation and supportive blogs (and video content like the Office Hours series) content simplifies getting started with k6 -Developer-friendly -- Easy to install and get going in the CLI. Makes performance testing more accessible to not just a few, but all of those on an engineering team. This is so important as performance testing is no longer just an expectation of a single niche quality team because of limitations of licensing or knowledge of an antiquated tool. -k6 cloud -- So far, ensuring the ability to scale our tests beyond the resource of our machines has been reassuring. The analyses and comparison features between test executions is helpful so far. Looking forward to the continued work against this infrastructure platform. Review collected by and hosted on G2.com. What do you dislike about k6? -The user experience of using k6 with npm modules is not consistent with what you expect from typical development -xk6 extensions conceptually are great as a community is helping to build out a need. Just be cautious of utilization as they may not be supported long-term, though these extensions are featured in k6 documentation. Review collected by and hosted on G2.com. What problems is k6 solving and how is that benefiting you? k6 has made performance testing an accessible practice for engineering teams. It's a rather low barrier to entry (getting started with k6) , yet you can get as advanced as you with, customizing your scripts as you need to get the insights required. Because of this tool, I'm seeing engineering teams starting to take on the responsibility of knowing and testing the limitations of their APIs and tiers.

- Lindsay H.

"K6-Game changer for API Load and Performance test" What do you like best about k6? It is developer friendly and easy to write load tests and has excellent documentation. Most importantly it is a straightforward K6 report that can tell where the performance issues are. We did a thorough analysis where we compared several tools/frameworks and we can tell with full confidence that K6 is much superior compared to other tools. These are some of the benefits: It is easy to install and start writing the first L&P test, code review It is great community support and excellent documentation Excellent Report and Integrates with NewRelic, CloudWatch if we decide to retire later it is easy to do because we can still run locally without being locked to one tool. I would call the K6 a modern L&P framework that can beneficial for any company. Review collected by and hosted on G2.com. What do you dislike about k6? I wish it had better support for HTTP protocols. It is awesome with API test but not so great with UI load test. Review collected by and hosted on G2.com. What problems is k6 solving and how is that benefiting you? Ensuring that API we develop performance well at Production. It is not a guessing game anymore. It is a data-driven decision.

- Talgatbek K.

What do you like best about k6? It's ease of use, readability and its fantastic set of constantly evolving features, paired with a vibrant community - which together with its good performance makes, to me, the best option for performance testing. And its extensibility as well... Tests are code, as they should. And readable code! Review collected by and hosted on G2.com. What do you dislike about k6? There is an extensibility /plug-in system but some integrations are still not covered… To complain about something, its only issue is that apart from the excellent readability of the tests, they still need to be written, so you need to know what you are doing- thank god- I still have a job. But give it time… (summary: tests needs to be written, haha) And the fact that you have to write in JavaScript - it would be fantastic to write in your own language such as C# as in my case :) Review collected by and hosted on G2.com. Recommendations to others considering k6: Check other options, make your own decisions. My criteria might not match yours. My decision points were the performance vs. features, mainly its code readability, how easy it is to define a real test, its open model, and extensibility. Review collected by and hosted on G2.com. What problems is k6 solving and how is that benefiting you? excellent, readable performance tests that evolve with the application, as code. One test source code fits all, so its simplicity is key.

- Jose Luis L.

Pros & cons

Cypress

Pros
Life before using it seems like the stone age
We are consistently pumping out better code and a better experience for our users because of Cypress all while having to manually test less
My overall experience with Cypress was positive
I used the product both for open-source and commercial projects and got satisfying results
Overall, I am very pleased
I got more results in the same time than with other automation frameworks."

Cons
I've had trouble making it work in my corporate environment through the proxy
Not much support for this common use case
Currently limited to testing using Canary, Chrome, Chromium, and Electron
M not sure if I've used cypress enough to have encountered pain points."

K6

Pros
It's ease of use, readability and its fantastic set of constantly evolving features, paired with a vibrant community - which together with its good performance makes, to me, the best option for performance testing.And its extensibility as well...Tests are code, as they should
And readable code!

Cons
There is an extensibility /plug-in system but some integrations are still not covered… To complain about something, its only issue is that apart from the excellent readability of the tests, they still need to be written, so you need to know what you are doing- thank god- I still have a job
But give it time… (summary: tests needs to be written, haha)And the fact that you have to write in JavaScript - it would be fantastic to write in your own language such as C# as in my case :)

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