
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.

Arduino IDE
AWS IoT
Particle.io
AWS Greengrass
Wia
Altair SmartWorks
B4R
Next-generation IDE for IoT
Which is more popular?
HackerRank might be a bit more popular than PlatformIO. We know about 67 links to it since March 2021 and only 56 links to PlatformIO.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | platformio.org |
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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
PlatformIO is recommended for embedded systems developers, IoT engineers, and hobbyists who need a versatile and robust development environment. It is especially beneficial for those who work with multiple microcontroller platforms and require an IDE with comprehensive tooling support.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
#264 PlatformIO for Arduino, ESP8266, and ESP32 Tutorial
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and PlatformIO. 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...
We have no reviews of PlatformIO yet. Be the first one to post
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
We searched for other IDEs that would be simple to use, allow easy import of Arduino libraries, and upload the code on the board. I wanted something of the like of Atom editor, but it was not supported on Raspberry Pi (and deprecated... - Source: dev.to / over 1 year ago
For the ESP32 in read mode, we've successfully developed a project using PlatformIO that accepts the key during build time and stores it in memory. Source: about 3 years ago
Check out Zephyr OS and Platform IO. Zephyr is part of the Linux foundation and has similarities to Linux with how it performs hardware abstraction (device tree). Platform IO integrates with other frameworks including mbed and Arduino. Source: about 3 years ago
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