
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.

Doodle
PollMaker
poll.ly
Fast Poll
Poll For All
Ferendum
PollCode
Create and customize public or anonymous votings, surveys, free tables, idea collections or audio, video and photo contests.

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 | pollunit.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Germany |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CheckIO yet.
PollUnit TypesVotings Create public or anonymous votes. Choose from various voting methods like star rating, dot voting, range voting and many more. Allow voters to add their own options. Options can be free text, images, files, dates and time periods. A PollUnit voting offers a tabular and list...
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 PollUnit yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
No PollUnit 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.


As answered by people managing CheckIO and PollUnit.
PollUnit's answer:
PollUnit stands out because of its wide range of flexible tools for creating interactive polls, surveys, photo/video/music contests, collaborative tables and decision-making processes.
PollUnit's answer:
PollUnit stands out with a variety of customizable poll types, ranging from simple votings to complex surveys with branching logic and photo and video contests. The platform features user-friendly options like custom designs, real-time analytics, AI-powered fraud detection, and easy group management. Additionally, participants can join without registration, making it more accessible. PollUnit is GDPR-compliant, ensuring that user data is handled securely. PollUnit offers flexible subscription options, including the possibility to book just a single month.
PollUnit's answer:
PollUnit's answer:
PollUnit's primary audience includes businesses, non-profit organizations, event organizers, project teams, photo clubs, and individuals who need to make group decisions, manage appointments, or collect feedback in an efficient and user-friendly way.
Share your experience with using CheckIO and PollUnit. 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 PollUnit 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
Tracking PollUnit since Mar 2021.
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Practice and level up your development skills and prepare for technical interviews.
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Your perfect partner to gather ideas and opinions in real time
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