
Codewars
Exercism
LeetCode
CodinGame
CodeCombat
HackerRank
Google's Python Class
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.

btw
Pagecord
Hashnode
Letterpad
Medium
Typehut
Substack
A better way to blog / create newsletters
Which is more popular?
Based on our record, CheckIO seems to be a lot more popular than Bublr. While we know about 46 links to CheckIO, we've tracked only 1 mention of Bublr.
Website, pricing, platforms and company facts side by side.
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| Website | checkio.org | bublr.life |
| Pricing | — | |
| Company | — | Startup from India · 1 - 9 employees · 2023 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CheckIO yet.
Bublr is a calm alternative to the noisy web — an open-source, aesthetic blog with newsletters, a ton of customizations (like, a LOT) and everything you need to publish without friction. A simple, personal corner of the internet, you can craft <3
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
No Bublr videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using CheckIO and Bublr. 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...
We have no reviews of Bublr yet. Be the first one to post
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
You grow an audience on one platform, discover its limits, and suddenly you’re trapped — your work scattered, your identity fragmented, your “home” never really yours. So I built something that gives writers one place to exist without... - Source: Hacker News / 9 months ago
When comparing CheckIO and Bublr, you can also consider the following products.