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

Maths is Fun
ABCmouse.com
Educational games for kids
Fun Learn
I Know It
Kids Math: Fun Maths Games
Learn and play English
Calm, repeatable math games that help learners build confidence in multiplication, fractions, and foundational math skills.

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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| Website | codility.com | nd-ed.org |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Canada · 1 - 9 employees · 2025 |
| Listed in |
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....
NDED is a free educational math practice website designed to help learners strengthen foundational math skills through calm, repeatable games. The site includes multiplication table games, matrix multiplication practice, and fraction, decimal, and percent memory games. It is built for students,...
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
Testing Double ended spray fan
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Codility and NDED. 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 NDED 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
Tracking NDED since May 2026.
When comparing Codility and NDED, 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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The site aims to cover the full Kindergarten to Year 12 curriculum.
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CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to Codility or NDED:


Learn the best online educational games for kids across different subject areas, including math, science, art, history and more.
Compare Educational games for kids to Codility or NDED: