
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.

Akismet
reCAPTCHA
OOPSpam Anti-Spam API
AWS Cloud Security
Radware
Antispam Bee
StopForumSpam
Spam protection for WordPress, Joomla, Drupal, and any other websites

Which is more popular?
Based on our record, HackerRank seems to be a lot more popular than CleanTalk. While we know about 67 links to HackerRank, we've tracked only 6 mentions of CleanTalk.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | cleantalk.org |
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| Listed in |
In their own words, as submitted to SaaSHub.


No description of HackerRank yet.
CleanTalk is a SaaS Spam Protection Service for websites. CleanTalk uses protection methods that are invisible to the website visitors. Connecting to the service eliminates any needs of CAPTCHA, questions and answers, and other methods of protection that complicate the exchange of information on...
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.
No analysis of CleanTalk yet.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
cleantalk review 2020
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and CleanTalk. 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...
CleanTalk has a clear pricing structure and appears to have plenty of customers, which is a plus to me. The website looks a little janky though, which makes me worry a little.
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
Https://cleantalk.org/ it's $8 a year well worth it. Stop spam form entries on all my client sites. Source: over 4 years ago
ReCaptcha doesn't work well any more, and AntiSpam Bee seems to be letting more spam through as well lately. I've switched a few clients over to Cleantalk and it's quite solid. Source: almost 5 years ago
CleanTalk is awesome service for Spam protection, AntiSpam, FireWall by CleanTalk. CleanTalk Anti-Spam is a cloud service protection from spam for websites. I used it in my website and it was excellent for that reason I... Source: almost 5 years ago
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