
LeetCode
Codility
CodeSignal
iMocha
Codewars
HackerEarth
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Gridzzly
Paperkit
FreeGraphPaper
PaperGens
Printable Design
InCompetech Graph Paper
My Print Test
Print Graph Paper, College Ruled, or other types of paper!

Which is more popular?
Based on our record, HackerRank seems to be a lot more popular than Printable Paper. While we know about 67 links to HackerRank, we've tracked only 1 mention of Printable Paper.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | printablepaper.net |
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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
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using HackerRank and Printable Paper. 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...
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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
Yes, those are very good too. Also: http://printablepaper.net/. Source: over 5 years ago
When comparing HackerRank and Printable Paper, you can also consider the following products.

Practice and level up your development skills and prepare for technical interviews.
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Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
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Create and download custom graph, lined, or dot grid paper
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CodeSignal is the leading assessment platform for technical hiring.
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Free printable graph paper PDFs plus a custom graph paper maker — grid, dot, isometric, lined and more. No login, prints true to scale.
Compare FreeGraphPaper to HackerRank or Printable Paper: