
HackerRank
CodeSignal
iMocha
HackerEarth
TestGorilla
DevSkiller
mettl
Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

Growth.Design Case Studies
Mobbin
Muz.li
Uxcel
Weekly UX Exercise
Refero Design
Talks by UI Patterns
A collection of UX case studies
Which is more popular?
Based on our record, Built for Mars should be more popular than Codility. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
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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 Built for Mars yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
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 Codility and Built for Mars. 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.
We have no reviews of Built for Mars yet. Be the first one to post
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
Maybe I’m looking in the wrong places but I’m tired of seeing numbered lists of “Design trends to look out for in 202X” with 4 sentences of text between them. I crave longer forms of writing that explains the design aspect of this field.... Source: over 3 years ago
Some other recommendations: Don’t Make me Think and Rocket Surgery Made Easy by Steve Krug https://builtformars.com/ UX case studies https://www.nngroup.com/ UX analyses and articles Coursera has some UX courses you can audit for free. - Source: Hacker News / over 3 years ago
Consider that even if you don't have a big portfolio of work, you can do analysis of existing apps / websites / experiences, even a game. Take a look at the case studies here: https://builtformars.com/. Source: almost 4 years ago
When comparing Codility and Built for Mars, 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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Product tips… in a comic book format
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CodeSignal is the leading assessment platform for technical hiring.
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Latest mobile design patterns & elements library
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