
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.

Brilliant.org
Khan Academy
Calcora.net
mathigon
Math Expert: Master Equations
Mathway
Udemy
Improve math skills with ranked practice, Elo-style ratings, topic lessons, timed challenges, progress stats, rewards, and a global leaderboard.

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 | elomath.com |
| Pricing | ||
| Platforms | ||
| Company | — | 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....
EloMath turns math practice into a ranked progression system. Instead of only tracking streaks or completed exercises, EloMath gives learners a visible chess-style Elo rating that changes as they solve problems of different difficulty levels. The goal is to make math progress easier to...
What each product offers, as listed by its team.


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
No EloMath videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codility and EloMath.
EloMath's answer:
EloMath uses chess-style Elo ratings to measure math progress, helping learners see their level improve through ranked problem-solving.
EloMath's answer:
EloMath makes math practice more motivating by turning progress into a clear rating system, instead of only showing scores, streaks, or completed lessons.
EloMath's answer:
Students, self-learners, and competitive learners who want a structured and measurable way to improve their math skills.
EloMath's answer:
EloMath was created from the idea that math learners should be able to track their skill level as clearly as chess players track their rating.
Share your experience with using Codility and EloMath. 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 EloMath 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 EloMath since Jun 2026.
When comparing Codility and EloMath, 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.
Compare HackerRank to Codility or EloMath:

Brilliant - Understand concepts and build your problem solving skills with thousands of free problems and examples in math, science, and engineering.
Compare Brilliant.org to Codility or EloMath:

CodeSignal is the leading assessment platform for technical hiring.
Compare CodeSignal to Codility or EloMath:

Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.
Compare Khan Academy to Codility or EloMath:


Practice olympiad-style math problems and compete against other users.
Compare Calcora.net to Codility or EloMath: