Advent of Code vs Codewars: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Advent of Code and Codewars side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Advent of Code
Solve daily programming puzzles to hone your coding skills during the Advent season.
Best for you if:
- • You want a fully free tool (Codewars requires payment)
Codewars
Code challenges for developers
Best for you if:
- • You want massive library of challenges across 55+ languages
| At a Glance | Advent of Code | Codewars |
|---|---|---|
Starts at | Free 100% free | Free plan, paid from $3.33/mo, billed yearly Codewars Red (Annual) plan |
Category | Developer Tools Learning & Training | Developer Tools Testing & QA |
Rating | n/a | 4.7/5 G2 4.8 · Trustpilot 3.7 1,601 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Annual plan requires upfront $40 payment. |
Choose Advent of Code or Codewars?
Choose Advent of Code if
- You want a fully free tool (Codewars requires payment)
- You want free to participate
- You want supports any programming language
Choose Codewars if
- You want massive library of challenges across 55+ languages
- You want community solutions teach you patterns you would not discover alone
In-Depth Analysis
Advent of Code
Solve daily programming puzzles to hone your coding skills during the Advent season.
Strengths
- Pro: Free to participate
- Pro: Supports any programming language
- Pro: Great for practicing problem-solving and coding skills
- Pro: Accessible to a wide range of skill levels
- Pro: Can be used for interview prep, training, or coursework
Weaknesses
- Con: Puzzles are only available during the Advent season (December)
- Con: No global leaderboard (removed due to past issues)
- Con: Difficulty can be subjective and vary greatly
Key features
Codewars
Code challenges for developers
The pricing for Codewars is very fair and generous, especially with the robust Free tier.
Watch out
Annual plan requires upfront $40 payment.
Strengths
- Pro: Massive library of challenges across 55+ languages
- Pro: Community solutions teach you patterns you would not discover alone
- Pro: Free tier provides full access to the challenge library
- Pro: Test-driven approach builds real development habits
- Pro: Strong community that continuously creates new content
Weaknesses
- Con: No structured learning paths or curriculum, just individual challenges
- Con: Some kata have unclear instructions or edge cases
- Con: In-browser editor lacks features of a real IDE
- Con: Difficulty ratings can be inconsistent across languages
- Con: Premium subscription adds limited value over the free tier
Key features
Plans and prices: Advent of Code vs Codewars
| Tool | Plans and prices | Source |
|---|---|---|
| Advent of Code | No plan prices on file | adventofcode.com |
| Codewars |
| codewars.com/subscription read Oct 19, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Advent of Code pricing and Codewars pricing.
Key Takeaways
Advent of Code
- Choose if you want solve daily programming puzzles to hone your coding skills during the Advent season
Codewars
- Choose if you want code challenges for developers
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only Codewars has a published user rating (4.7/5 from 1,601 reviews); Advent of Code has none we can show.
- Codewars starts at $3.33/mo, billed yearly; Advent of Code has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Advent of Code and Codewars compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only Codewars has a published user rating (4.7/5 from 1,601 reviews); Advent of Code has none we can show. Codewars starts at $3.33/mo, billed yearly; Advent of Code has no public paid plan price on file. Both have a free plan.
What are Advent of Code and Codewars used for?
Advent of Code: Solve daily programming puzzles to hone your coding skills during the Advent season. Codewars: Code challenges for developers.
What does Advent of Code cost vs Codewars?
Advent of Code is free. Codewars's cheapest paid plan is Codewars Red (Annual) at $3.33/mo, billed yearly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 19, 2026.
What's the main difference between Advent of Code and Codewars?
Advent of Code's main strength: free to participate. Codewars's main strength: massive library of challenges across 55+ languages.