
Codewars
Exercism
LeetCode
CodinGame
CodeCombat
HackerRank
Codecademy
CheckIO is a web site with a mission: To teach JavaScript and Python coding skills through a game-playing interface. It is designed to teach new skills or improve existing skills through completing challenges.

PricewaterhouseCoopers (PwC)
NTT DATA Consulting Services
Mindtree Implementation Services
Synechron
Luxoft
Princeton Blue
Mphasis
We are a refreshing consulting and digital agency dedicated to delivering digital services excellence, individually tailored to each customer need.

Which is more popular?
Based on our record, CheckIO seems to be more popular. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | checkio.org | netbuilder.com |
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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
No analysis of NETbuilder yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
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How often each product is chosen within a category, 0–100% relative to the other.


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


CheckiO is a platform with coding games created for different levels of programmers, from beginners to advanced levels. Using fun and engaging methods, you can use coding games to solve challenges in TypeScript and...
CheckIO is available in English and Spanish. The platform was designed by a group of engineers and now has a number of customers all over the globe who may use it to improve their programming speed and abilities by...
Checkio is the most whimsical HackerRank alternative on this list. It’s also focused on two languages: Python and TypeScript. On this site you’ll be thrown into a gamer’s paradise that includes robot mollusks and...
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Recommendations tracked on public social media and blogs since March 2021.


Have you heard of CheckIO (https://checkio.org/)? They have a gameified "Mario world" of coding challenges that are smaller and come with more explanation, tests to guide you through edge cases and provide hints. The challenges start... Source: almost 3 years ago
Cyber isn't gonna be a light switch, where you can flip it and be good. Don't be too hard on yourself. Start with some hands on stuff like https://tryhackme.com or checkio.org. You could look at certs like Security+ or CySA+ for some... Source: about 3 years ago
Much better to get your hands dirty than watching the videos. Try: https://checkio.org/. Source: over 3 years ago
Tracking NETbuilder since Mar 2021.
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Download and solve practice problems in over 30 different languages.
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NTT DATA Services is a division of NTT DATA Corporation, a top 10 global business and IT services provider with 120,000+ professionals in 50+ countries.
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Practice and level up your development skills and prepare for technical interviews.
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Partner with Mindtree for your cloud services and cloud solutions. We can help accelerate your move to digital business, driving innovation and efficiency.
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