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Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
AstroGrid
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Find out how fast you are spinning — from your latitude

Which is more popular?
Based on our record, Codility seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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SiderealLab
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| Website | codility.com | sidereallab.streamlit.app |
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In their own words, as submitted to SaaSHub.

The Codility platform includes: CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage. CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards....
No description of SiderealLab yet.
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.

No analysis of Codility yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
An Introduction to Codility: The Tech Hiring Platform for Engineering Teams
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How often each product is chosen within a category, 0–100% relative to the other.

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

Codility is a platform that helps companies assess the coding skills of developers. They offer a range of online coding tests and assessments that enable employers to evaluate candidates' technical abilities.
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Recommendations tracked on public social media and blogs since March 2021.

- Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as... - Source: dev.to / over 2 years ago
Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago
Tracking SiderealLab since May 2025.
When comparing Codility and SiderealLab, 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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CodeSignal is the leading assessment platform for technical hiring.
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Sifter is designed to be a simple bug and issue tracker for small teams and works especially great for teams with non-technical folks involved.
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A JavaScript 3D library which makes WebGL simpler.
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