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

GridMaker.org
GridMaker.pro
OnlineGridMaker
IG Grid Maker
Art Grid Maker
Canva
Grid Maker Online
The ultimate free grid maker tool. Overlay grids on reference photos, crop to paper sizes, and apply sketch filters. Private, local, and ad-free.

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 | gridmakers.app |
| Pricing | ||
| Company | — | 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Codewars yet.
GridMakers is a free, browser-based tool that brings the traditional grid drawing method into the modern era. While many existing tools rely on outdated web technologies, GridMakers offers a fast, responsive, and seamless experience without the need for downloads or account registration. Key...
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
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.
No GridMakers.app 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 Codewars and GridMakers.app.
GridMakers.app's answer:
GridMakers was born to solve the frustrations of using outdated grid tools. It packs all essential features—like customizable line weights, colors, and opacity—into a modern, lightning-fast web interface. Unlike legacy tools, it's fully responsive (mobile-friendly), requires no account, and is 100% ad-free, making it the most efficient way for artists to prepare their references in seconds.
GridMakers.app's answer:
GridMakers stands out by balancing extreme simplicity with mission-critical features that competitors overlook. While other tools only offer basic lines, GridMakers provides 4 specialized Image Filters designed specifically to help artists see values and structures more clearly. Furthermore, our intuitive 'Paper Handling' settings allow users to preview and adjust how the grid will translate to physical media, ensuring a seamless transition from screen to sketchpad. It’s built by understanding that artists need more than just a grid—they need a better way to visualize their reference.
GridMakers.app's answer:
GridMakers is purposefully designed for three distinct groups of creators, with pre-set configurations optimized for their specific workflows:
Traditional Fine Artists: Those working with oil, charcoal, or graphite who need precise scaling from digital references to physical canvases or paper.
Muralists & Large-Scale Creators: Artists who require specialized grid ratios to manage proportions on a massive scale without losing detail.
Art Educators & Students: Beginners who use the 'Grid Method' to learn about proportions, values, and spatial relationships. By offering pre-set parameters for different media and sizes, GridMakers eliminates the guesswork, allowing artists to focus on their craft rather than technical setup.
GridMakers.app's answer:
GridMakers is built with a focus on high performance and zero-latency image processing. The primary technologies include:
HTML5 & CSS3: Leveraging modern web standards to ensure a fully responsive UI that works seamlessly across desktops, tablets, and mobile devices.
Canvas API: Using advanced hardware-accelerated rendering for real-time grid adjustments and high-resolution image filtering without server-side processing.
Modern JavaScript (ES6+): For efficient, lightweight client-side logic that ensures the tool remains fast and privacy-focused (images are processed locally in the browser).
Progressive Web App (PWA) Principles: Designed to be an 'instant-on' tool that requires no installation or account creation, providing a native-app-like experience in any browser.
Share your experience with using Codewars and GridMakers.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.


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 GridMakers.app 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 GridMakers.app since Dec 2025.
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Add a precise grid overlay to any image for drawing and sketching. Customize rows, columns, line color and thickness. 100% free, no signup, no upload.
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