
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.

Shopify Upsell Bundles App
In Cart Upsell
Skai Lama Easy Bundles
V Bundles
Upsell.com
Magic Bundles
iCart Cart Drawer Cart Upsell
Simplify product grouping with PushBundle, a smart Shopify bundle app. Boost sales, customize offers, and enjoy easy setup with real merchant support.
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 | pushbundle.com |
| Pricing | — | |
| Company | — | Startup from Bangladesh · 20 - 49 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CheckIO yet.
Pushbundle is a product bundling app for Shopify that allows e-commerce merchants to increase sales and average order value by offering various bundling options. It enables customers to create their own personalized "mix & match" bundles, receive volume discounts, and add products that are...
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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Intro Video. How to get maximum from CheckiO
No PushBundle 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 PushBundle.
PushBundle's answer:
PushBundle is unique for its comprehensive toolkit for creating diverse and customizable product bundles, including mix-and-match options where customers can build their own packs, and volume-based bundles with tiered discounts.
PushBundle's answer:
person should choose PushBundle over its competitors because it provides a user-friendly, customizable, and mobile-optimized solution for creating product bundles, which can increase sales, average order value, and customer satisfaction. Its "build-your-own" bundle feature is designed to naturally encourage customers to add more items by leveraging the "threshold effect," helping to boost revenue without deep discounting.
Share your experience with using CheckIO and PushBundle. 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 PushBundle 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 PushBundle since Oct 2025.
When comparing CheckIO and PushBundle, you can also consider the following products.


Shopify app to Create Bundles, Packages and Sets with discounts by the most simple and efficient...
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Download and solve practice problems in over 30 different languages.
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Boost revenue and increase average order size with the #1 upsell app for Shopify stores.
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CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.
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Easy Bundles is a seamless Bundle Builder, Build Your Own Bundle, Gift Box Builder app that offers Fixed Price, Discounted, Mix-and-match & Subsription Bundles to boost your AOV.
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