
HackerRank
Codility
LeetCode
HackerEarth
Coderbyte
DevSkiller
iMocha
CodeSignal is the leading assessment platform for technical hiring.

UserTesting.com
UserZoom
Hotjar
Lookback
Validately
Userlytics
PlaybookUX
A powerful tool which enables user testing on prototypes, wireframes and websites.

Which is more popular?
Based on our record, CodeSignal seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codesignal.dev | loop11.com |
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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
Overall verdict
Why this product is good
Recommended for
Loop11 is recommended for UX designers, researchers, product managers, and digital marketers who need to conduct comprehensive usability testing. It’s suitable for teams that require both qualitative and quantitative data to enhance user experiences across web and mobile platforms. Companies and individuals seeking to improve their product design and usability through consistent user feedback will find Loop11 especially beneficial.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CodeSignal and Loop11. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


CodeSignal is a technical interview and assessment solution that helps organizations identify quality candidates quickly. Our platform allows recruiters and hiring managers to design consistent and well-researched...
What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
CodeSignal is renowned for its standardized coding assessments and a robust IDE. It's an excellent platform for interview preparation and improving coding skills through timed challenges.
Loop11 does not provide a pool of participants, therefore you’ll have to issue invites to your own users to receive results for your study. UserZoom has a user base of more than 120 million testers.
Recommendations tracked on public social media and blogs since March 2021.


Mention tools like Slack, Zoom, GitHub Highlight remote work experience or team collaboration Link to your portfolio and GitHub Prepare for video interviews and live coding sessions (HackerRank, CodeSignal, etc.). - Source: dev.to / about 1 year ago
When I started, I programmed many different things in different languages. Then, I found a job as a Junior Java Developer and solved tasks on CodeSignal every day. - Source: dev.to / over 1 year ago
Platforms like HackerRank and CodeSignal host challenges that not only hone your skills but also can put you on the radar of tech companies looking for talent. - Source: dev.to / over 2 years ago
Tracking Loop11 since Mar 2021.
When comparing CodeSignal and Loop11, you can also consider the following products.

HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
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Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
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Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
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Test, measure, and monitor UX with our cost-effective all-in-one platform. UserZoom is a cloud-based solution for online usability testing.
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Practice and level up your development skills and prepare for technical interviews.
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The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
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