
Codewars
Exercism
CodinGame
LeetCode
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.

Tally.so
Typeform
Jotform
Fillout.com
Google Forms
Paperform
Formstack
forms.app is an easy-to-use online form builder designed for teams. forms.app offers an easy way to create high-quality online forms, invite unlimited team members, and collect unlimited responses.

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 | forms.app |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from the United Kingdom · 2018 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CheckIO yet.
forms.app is a flexible form builder application designed for teams to create any type of online form with no coding. It stands out with its super user-friendly interface, unlimited team members, and unlimited form responses, even on its free plan. In addition to online forms, forms.app offers an...
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
No analysis of forms.app yet.
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
forms app: Create online forms effortlessly!
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CheckIO and forms.app.
forms.app's answer:
forms.app stands out by offering unlimited team members, unlimited responses, and all 30+ form fields on its free plan. It has powerful features, a clean interface, a smooth form-filling experience, and accessibility. forms.app is the whole package that teams can use for free.
forms.app's answer:
Share your experience with using CheckIO and forms.app. 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 needed professional-looking forms for our events and for getting inquiries. After trying many tools, we decided on forms.app. It is way easier to create forms, and we find it the best form tool in terms of...
forms.app also has an easy-to-use interface, so even users who haven’t created forms before can use the advanced features of forms.app. With forms.app, sharing forms is pretty easy, and users can embed forms on their...
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 forms.app since Mar 2021.
When comparing CheckIO and forms.app, you can also consider the following products.



Download and solve practice problems in over 30 different languages.
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Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Compare Typeform to CheckIO or forms.app:

CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.
Compare CodinGame to CheckIO or forms.app:
