
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

Which is more popular?
HackerRank might be a bit more popular than 3commas. We know about 67 links to it since March 2021 and only 51 links to 3commas.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | 3commas.io |
| Pricing | — | |
| Company | — | Startup from Canada · 10 - 19 employees · 2017 |
| Listed in |
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.


Overall verdict
Why this product is good
Recommended for
HackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
Overall verdict
Why this product is good
Recommended for
3Commas is recommended for cryptocurrency traders who are looking for automation to improve their trading strategies. It is suitable for both beginners who are interested in simplified trading solutions and experienced traders who wish to leverage advanced features like trading bots and detailed analytics.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and 3commas. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
HackerRank’s challenges cover a wide range of topics and difficulty levels, allowing developers to enhance their problem-solving skills and learn new algorithms and data structures. The competitive nature of...
HackerRank offers a wide array of challenges across various domains such as algorithms, mathematics, SQL, and functional programming. Its interface is user-friendly, and the platform provides detailed feedback on...
3Commas is committed to helping traders reap maximum profit success by minimizing investor risks and limiting exposure to losses. With no need to install additional software and already integrated across a large...
easy to use
One of the best bots for buying cryptocurrency and its transactions, which is active in a completely intelligent way in short-term, medium-term, and long-term transactions, is the 3Commas. This robot has a very simple...
Recommendations tracked on public social media and blogs since March 2021.


This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice... Source: almost 3 years ago
Is your crypto only EFT traded or anything like https://3commas.io/ in it? - Source: Hacker News / 9 months ago
Pretty cool. I've been wondering about DO: https://undervalued.ai/analysis/DOCN how can they keep going with AWS and GCP. Would be cool to pick 10 sample portfolios and keep running them thru this 24/7 with fake money and publish how... - Source: Hacker News / over 1 year ago
Choose your plan: https://3commas.io/. Source: almost 3 years ago
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