Brandwave

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.

Among coding practice platforms in New Zealand in October 2026

Who do people search for more?

Codewars, about 3 searches for every 1 for Project Euler

Codewars 110 searchesProject Euler 40 searches

Who does AI mention more?

Codewars, mentioned in 4 of 5 answers, Project Euler in 2

Codewars in 4 of 5Project Euler in 2 of 5

Who does AI recommend more?

Codewars, named ahead of Project Euler in 4 of 4 answers

Codewars first in 4Project Euler never first

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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.

  1. LeetCode1st
  2. HackerRank2nd
  3. Exercism3rd
  4. Codewars4th
  5. freeCodeCamp5th
  6. Project Euler6th
  7. The Odin Project7th
  8. Scratch8th
  9. 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

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.

Codewars and Project Euler among coding practice platforms in New Zealand, by month

Share of searches by month for Codewars, Project Euler. The figures are in the table below the chart.

View monthly share of searches table
MonthLeetCodeScratchCodecademyfreeCodeCampHackerRankExercismCodewarsThe Odin ProjectProject Euler
Nov 202528.4%28.8%17.7%8.5%7.2%2.5%3%3%0.88%
Dec 202529.3%21%19.9%13.2%6%2.5%3.4%3.1%1.6%
Jan 202635.6%8.2%22.3%13.1%7.5%3.1%4%4.6%1.5%
Feb 202623.2%17.4%33.3%10.5%7.2%2.5%3.2%1.9%0.88%
Mar 202623.1%32.9%18.5%8.4%7.1%2.4%3.8%2.4%1.3%
Apr 202625.2%25%19.1%11.5%7.8%4%3.4%2.7%1.3%
May 202626%34.9%14.1%9.5%6.4%2.7%3.5%1.8%1.1%
Jun 202623.7%37.7%14.7%9.1%6%2.5%2.6%3%0.73%
Jul 202627.7%25.2%18.7%10.4%7.1%3.5%3.5%2.9%1%
Aug 202626.5%26.3%17.6%10.3%6.7%3.4%4.4%3.4%1.4%
Sep 202629.5%27%16.1%9.6%7.1%3.8%3.3%2.5%1.1%
Oct 202628.9%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

How did search popularity change for New Zealand coding practice platforms in October 2026?

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

  2. 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

How the Brand Demand Index is measured

Other head-to-heads among coding practice platforms

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