Codewars vs Project Euler:Which is more popular in New Zealand?
In October 2026, Codewars had more branded searches than Project Euler among coding practice platforms in New Zealand. Codewars had about 110 branded searches, while Project Euler had 40. Codewars made up 3.2% of all coding practice platform searches we track, and Project Euler accounted for 1.2%. When we asked ChatGPT and Google AI Overviews about coding practice platforms, Codewars appeared in four of the five answers and Project Euler in two. Codewars was mentioned before Project Euler in every answer that named either.
Who do people search for more?
Codewars, about 3 searches for every 1 for Project Euler
Who does AI mention more?
Codewars, mentioned in 4 of 5 answers, Project Euler in 2
Who does AI recommend more?
Codewars, named ahead of Project Euler in 4 of 4 answers
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Top coding practice platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Codewars was mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Project Euler was mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. Codewars was listed before Project Euler in every answer that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
LeetCode1st
HackerRank2nd
Exercism3rd
Codewars4th
freeCodeCamp5th
Project Euler6th
The Odin Project7th
Scratch8th
Codecademy–
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
LeetCode5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
HackerRank5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Exercism4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Codewars4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Scratch2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
freeCodeCamp2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
The Odin Project2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Project Euler2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Codecademy0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about coding practice platforms
5 answers
Asked ChatGPT
“Which coding practice platform should I use in New Zealand?”
Asked ChatGPT
“What are the best coding practice platforms in New Zealand?”
Asked ChatGPT
“What's the best coding practice platform in New Zealand for interview prep?”
Searched Google, AI Overview
“coding practice platform”
Searched Google, AI Overview
“best coding practice”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.
Is Codewars or Project Euler more popular in search?
This chart shows how often people search Google for Codewars and Project Euler by name. Each line represents a brand's share of searches for all nine coding practice platforms we track, month by month, from searches in New Zealand.
Share of searches by month for Codewars, Project Euler. The figures are in the table below the chart.
View monthly share of searches table
| Month | LeetCode | Scratch | Codecademy | freeCodeCamp | HackerRank | Exercism | Codewars | The Odin Project | Project Euler |
|---|---|---|---|---|---|---|---|---|---|
| Nov 2025 | 28.4% | 28.8% | 17.7% | 8.5% | 7.2% | 2.5% | 3% | 3% | 0.88% |
| Dec 2025 | 29.3% | 21% | 19.9% | 13.2% | 6% | 2.5% | 3.4% | 3.1% | 1.6% |
| Jan 2026 | 35.6% | 8.2% | 22.3% | 13.1% | 7.5% | 3.1% | 4% | 4.6% | 1.5% |
| Feb 2026 | 23.2% | 17.4% | 33.3% | 10.5% | 7.2% | 2.5% | 3.2% | 1.9% | 0.88% |
| Mar 2026 | 23.1% | 32.9% | 18.5% | 8.4% | 7.1% | 2.4% | 3.8% | 2.4% | 1.3% |
| Apr 2026 | 25.2% | 25% | 19.1% | 11.5% | 7.8% | 4% | 3.4% | 2.7% | 1.3% |
| May 2026 | 26% | 34.9% | 14.1% | 9.5% | 6.4% | 2.7% | 3.5% | 1.8% | 1.1% |
| Jun 2026 | 23.7% | 37.7% | 14.7% | 9.1% | 6% | 2.5% | 2.6% | 3% | 0.73% |
| Jul 2026 | 27.7% | 25.2% | 18.7% | 10.4% | 7.1% | 3.5% | 3.5% | 2.9% | 1% |
| Aug 2026 | 26.5% | 26.3% | 17.6% | 10.3% | 6.7% | 3.4% | 4.4% | 3.4% | 1.4% |
| Sep 2026 | 29.5% | 27% | 16.1% | 9.6% | 7.1% | 3.8% | 3.3% | 2.5% | 1.1% |
| Oct 2026 | 28.9% | 25.7% | 17.1% | 9.2% | 7.5% | 4% | 3.2% | 3.2% | 1.2% |
How has branded search for Codewars and Project Euler changed in New Zealand over the last 12 months?
3 findings
- Codewars was ahead of Project Euler in every measured month of the 12 months ending October 2026.
- Across the 12 months ending October 2026, Codewars’ share of searches among coding practice platforms in New Zealand moved from 3% to 3.2%, and its estimated monthly branded searches moved from 170 to 110.
- Across the 12 months ending October 2026, Project Euler’s share of searches among coding practice platforms in New Zealand moved from 0.88% to 1.2%, and its estimated monthly branded searches moved from 50 to 40.
How did search popularity change for New Zealand coding practice platforms in October 2026?
2 changes

Estimated monthly branded searches for Codewars in New Zealand fell 35.3% over 12 measured months, from 170 to 110 in October 2026.

Estimated monthly branded searches for Project Euler in New Zealand fell 20% over 12 measured months, from 50 to 40 in October 2026.
How are Codewars’ and Project Euler’s branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Codewars’ and Project Euler’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Codewars
2 branded search terms
- codewars
- codewars coding challenges
Project Euler
1 branded search term
- project euler
Other head-to-heads among coding practice platforms

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