
HiHello
Blinq.me
CardCast
Mobilo
Waydev
Aqua
GitPrime
Your new business card.

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.

Which is more popular?
Based on our record, CheckIO seems to be a lot more popular than Haystack Card. While we know about 46 links to CheckIO, we've tracked only 1 mention of Haystack Card.
Website, pricing, platforms and company facts side by side.
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| Website | thehaystackapp.com | checkio.org |
| Pricing | — | |
| Listed in |
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
Haystack Card is recommended for professionals, entrepreneurs, and businesses looking to modernize their networking approach, minimize paper waste, and streamline contact management. It's particularly beneficial for those who frequently update their contact information or attend numerous networking events.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Haystack Card and CheckIO. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Haystack Card yet. Be the first one to post
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...
Recommendations tracked on public social media and blogs since March 2021.


If you are looking to make a virtual business card I would recommend using a website like https://thehaystackapp.com/ or other similar ones found online. In terms of what you want to include just your name may be a short listing of your... Source: over 5 years ago
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
When comparing Haystack Card and CheckIO, you can also consider the following products.



Create your free digital business card in seconds. Recipients don’t need the Blinq app to receive your card. Raise your networking game today.
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Download and solve practice problems in over 30 different languages.
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Automatically exchange business cards with the entire room 💳
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Practice and level up your development skills and prepare for technical interviews.
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