
Codecademy
Exercism
LeetCode
Treehouse
edX
Coursera
Udemy
Achieve code mastery through challenge.

Devhints
OverAPI
1400+ developer cheat sheets for programming, cloud, AI, DevOps, data, and certifications. Includes practice tests, interactive Mind Maps, Cookbooks, My Vault, XP tracking, and advanced search. Free cheat sheets available, no signup required.

Which is more popular?
Based on our record, Codewars seems to be more popular. It has been mentioned 160 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codewars.com | cheatgrid.com |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from Czechia · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Codewars yet.
What is CheatGrid? Most references are a wall of prose, or stop at the obvious basics. CheatGrid is different: every topic is a cheat sheet broken into clean concept, example, description tables, sorted from most-used to most-advanced, with an interactive mind map and a quick index. Each sheet...
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
Codewars is recommended for beginner to advanced programmers who enjoy learning through practice and are interested in improving their algorithmic thinking and coding skills in a gamified environment. It is particularly beneficial for those preparing for coding interviews or seeking to reinforce their programming knowledge in a fun and interactive way.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Codewars Review & Tips
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Codewars and CheatGrid.
CheatGrid's answer:
Every cheat sheet uses the same consistent 3-column format (concept → example → description), ordered from most practical to most advanced. Most resources cover only the obvious top 20% — CheatGrid covers the full topic including edge cases and advanced patterns. Every topic also comes with an interactive Mind Map, and the platform combines reference lookup with practice tests, certification prep, XP tracking, and a personal vault — all in one place.
CheatGrid's answer:
Tools like devhints.io and OverAPI are community-contributed with no consistent structure. CheatGrid uses a single carefully designed format across all 1300+ topics, sorted by real-world importance rather than alphabetically. It goes beyond lookup — practice tests, certification study guides, Mind Maps, and progress tracking mean you can learn and certify, not just reference.
CheatGrid's answer:
Developers, data engineers, DevOps professionals, cloud architects, and tech professionals who regularly look things up at work, prepare for technical interviews, or study for certifications. Also used by students and career-switchers entering the tech industry.
CheatGrid's answer:
Built out of frustration with spending 30+ minutes a day re-searching the same answers across dozens of tabs and articles. The idea: one structured, consistent place for every technical topic — not a wiki, not a forum, but a reference you can scan in seconds and actually trust.
CheatGrid's answer:
Next.js, React, TypeScript (frontend); Convex (backend/database/auth); Python + FastAPI (AI chatbot RAG pipeline); Vercel (hosting).
CheatGrid's answer:
Individual developers, data professionals, and engineers using it for daily lookup and certification prep.
Share your experience with using Codewars and CheatGrid. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Edabit offers a learning experience similar to learning a new language, focusing on smaller and more frequent exercises that build proficiency over time. Like Codewars, Edabit provides many challenges that increase in...
In conclusion, while Leetcode remains a valuable resource for coders, the platforms listed above offer varied approaches to learning and improving coding skills. Whether you're drawn to the gamified learning...
This LeetCode alternative has excellent features for anyone looking to sharpen their coding skills. Codewars uses kata, which are small coding exercises that are community developed to help you master your language of...
We have no reviews of CheatGrid yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Recently, I was working on a coding kata on codewars.com. Early on, I started thinking that a potential solution might utilize recursion, a concept that involves a function calling itself. However, I quickly realized that my grasp of... - Source: dev.to / almost 3 years ago
Get more involved. Look into internships and junior SWE positions to get a sample of what you'd be applying for once you graduate. Solve coding challenges, start working on a portfolio of your personal works. I recommend codewars.com for... Source: almost 3 years ago
I'd recommend to play around with some basic coding challenges on leetcode.com or codewars.com. If the course prepared you well you won't find this useful, but playing around with them will make sure that you are comfortable with basics... Source: about 3 years ago
Tracking CheatGrid since Jun 2026.
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Practice and level up your development skills and prepare for technical interviews.
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