
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.

Sentry.io
Datadog
Google Analytics
BugSnag
Rollbar
LogRocket
TrackJS
Error monitoring that shows conversion impact. See which bugs are hurting conversions—not just error counts.
Which is more popular?
Based on our record, CheckIO seems to be a lot more popular than itbroke.dev. While we know about 46 links to CheckIO, we've tracked only 1 mention of itbroke.dev.
Website, pricing, platforms and company facts side by side.
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| Website | checkio.org | itbroke.dev |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CheckIO yet.
Most error monitoring tools tell you what broke. itbroke.dev tells you what broke and whether it's costing you money. It tracks JavaScript errors, network failures, 404s, and rage clicks on your website, then ranks them by conversion impact, not just frequency. Form submissions are tracked as...
What each product offers, as listed by its team.


Possible disadvantages
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
Public SaaS build - itbroke.dev
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CheckIO and itbroke.dev.
itbroke.dev's answer:
Currently monitoring vpn.com, tracking 218,000+ events per month across thousands of pages.
itbroke.dev's answer:
PHP 8.2, SQLite, vanilla JavaScript. Hosted on DigitalOcean, served behind Cloudflare. The tracker is a lightweight script under 4KB.
itbroke.dev's answer:
After building a dozen projects, I wanted to commit to something with a longer lifespan. I kept running into the same problem: error tracking tools told me things were broken, analytics tools told me conversions were down, but nothing connected the two. itbroke.dev was built to answer one question automatically: is this error costing me money?
itbroke.dev's answer:
Website owners and small teams running ecommerce stores, affiliate sites, and startups. People who need to know if their site is silently losing sales, not developers debugging backend infrastructure.
itbroke.dev's answer:
One script tag, live in seconds. Form conversions tracked by default. No SDK, no build step, no configuration. Errors are ranked by how much revenue they're losing you. Free forever plan with every feature included. If you've ever stared at an error log wondering which bugs actually matter, this answers that question automatically.
itbroke.dev's answer:
It automatically connects errors to conversion impact. Other error monitoring tools tell you what broke and how often. itbroke.dev tells you which errors are costing you revenue, ranked by business impact, not frequency.
Share your experience with using CheckIO and itbroke.dev. 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 itbroke.dev 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
The first thing I wanted to try was the brand kit generation. I linked my GitHub repo for itbroke.dev, selected "brand kit," and sat back. - Source: dev.to / 5 months ago
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Practice and level up your development skills and prepare for technical interviews.
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