Codility Reviews in September 2026: User Ratings, Pros & Cons

"Codility review"

What do you like best about Codility? Codility has challenging tasks to complete with different difficulty levels suitable for beginner programmers as well as experienced one. There is nice and clear explanation at the beginning of the challenge and challenges have timer, which is very useful for getting experience before doing real testing for a job.

"Nice platform"

What do you like best about Codility? It's easy to use, it has nice problems and you can use it to practice coding skills What do you dislike about Codility?

"Feel like I wrote a code on IDE"

What do you like best about Codility? There's intellisense on code pane. The compilation is fast. When I change the language, my previous code still there. What do you dislike about Codility?

"Good for interviews!"

What do you like best about Codility? It lets you run your code right in the browser, and allows you complete tasks easily. You can get started quickly. It supports many languages. It lets interviewers see exactly how you solved the problems step by step.

"Fast and thoroughly experience"

What do you like best about Codility? Differentiated levels of tests and requirement of keeping algorithmic complexity at low level. Provided tests were very differentiated and verified range of computer programming skills.

"Good test experience; Results are not verbose"

What do you like best about Codility? The testing environment is very good. It's simple, organized and easy-to-use. There is an extensive language support and their Integrated Editor and Console is very helpful in writing and testing the code within the website. There is even support for writing your own test cases which is a lot helpful too.

"Codility experience is phenomenon, i do ask where are the questions coming from."

What do you like best about Codility? The platform is good to test developers knowledge of algorithm and data structure . What do you dislike about Codility?

"good"

What do you like best about Codility? The over all performance review of the code. What do you dislike about Codility?

"Speeds up the recruiting process"

What do you like best about Codility? We started using Codility as part of our candidate screening a couple of years ago. Since then we've hired more than 20 developers. Codility helped us screen out hundreds of unqualified candidates and zero in on the strongest candidates, saving us hundreds of hours in recruiting time.

"Codility is excellent "

What do you like best about Codility? Codility allows various key bindings including vi and emacs. It not only tests the correctness of the code against various corner cases, but also evaluates the performance of the code.