Codewars
Codewars: A strong choice for short, test-driven coding practice across many languages. Ranked #6 of 42 in Coding Learning Software by our editors (8.9/10); pricing: Free plan; best for developers practicing short coding challenges.
At a glance
- Editor score8.9 / 10
- PricingFree plan
- Best forDevelopers practicing short coding challenges
- Free planYes
- Paid from$40/yr
- Feedback modeAutomated
- Facts checked23 Sep 2026
Where it wins
- Community-created kata with sample and full test suites
- Supports many programming languages, including Python, JavaScript, and Rust
- Training routines, discussions, rankings, and solution comparison
Where it doesn't
- Focused on exercises rather than verified project-based learning
- No mobile apps
- Advanced Codewars Red features require a subscription
Our verdict on Codewars
Codewars is a browser-based coding practice platform for developers who want to improve programming skills through short, community-created kata. Users solve challenges in an in-browser editor, run sample tests, submit solutions to full test suites, and progress through ranked exercises from beginner to expert. It suits learners who want repeated practice in a chosen language, as well as developers building familiarity across multiple programming languages.
The free experience provides access to coding kata and core practice features. Codewars Red Monthly costs $5 per user per month, while Codewars Red Semi-annual costs $24 per user per 6 months and Codewars Red Annual costs $40 per user per year. The paid subscription adds features such as enhanced statistics and an ad-free experience. This makes the free plan a practical starting point for exercise-based learning, with paid tiers aimed at users who want additional account features and a different browsing experience.
Its strongest area is focused coding practice: sample-test execution gives immediate feedback, while full submission test suites provide a further check before completion. Training routines, a personal trainer, community discussions, solution comparison, kata collections, bookmarks, ranks, honor, and leaderboards add structure and motivation around the exercises. The platform supports web and API access and covers a broad set of languages, from C++, Java, and Python to SQL, Swift, TypeScript, and many others. Choose Codewars for challenge-driven practice and language breadth; choose another learning product if you need verified project-based learning or mobile apps.
Your product? Our editors can test Codewars in depth and publish a review, labelled as paid · from $149/mo →
Codewars pricing
All 3 Codewars plans and prices →
Codewars fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $40/yr |
| Feedback mode | Automated |
| Learning format | Exercises |
| Programming languages | Agda, BF, C, CFML, C++, COBOL, CoffeeScript, Clojure, CommonLisp, Coq, Crystal, C#, D, Dart, Elixir, Elm, Erlang, Factor, Forth, Fortran, F#, Go, Groovy, Haskell, Haxe, Idris, Java, JavaScript, Julia, Kotlin, λ Calculus, Lean, Lua, NASM, Nim, Objective-C, OCaml, Pascal, Perl, PHP, PowerShell, Prolog, PureScript, Python, R, Racket, Raku, Reason, RISC-V, Ruby, Rust, Scala, Shell, Solidity, SQL, Swift, TypeScript, VB |
| Project-based learning | No |
| Mobile apps | Not verified |
| Computer science topics | Yes |
| Deployment | Cloud |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan (source) |
| Website | codewars.com |
| Facts checked | 23 Sep 2026 |
Alternatives to Codewars
- CodeAI (formerly Code.org)A free, structured web curriculum with classroom tools, labs, and educator support.9.4
- freeCodeCampA completely free, open-source path from coding challenges to full-stack certifications.9.3
- CodecademyA broad coding curriculum with free entry and structured paid paths.9.2
See all Codewars alternatives →
Codewars vs the competition
- Codewars vs CodeAI (formerly Code.org)
- Codewars vs freeCodeCamp
- Codewars vs Codecademy
- Codewars vs Scratch
- Codewars vs MIT App Inventor
- Codewars vs LeetCode
Compare Codewars with any tool side by side →
Also Ranked In
Codewars is ranked in 2 of our directories.
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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