k6 vs Katalon:Which is searched more?
In September 2026, k6 had more branded searches than Katalon among API testing tools worldwide. k6 had about 87,500 branded searches, while Katalon had 12,100. k6 made up 37.5% of all API testing tool searches we track, and Katalon accounted for 5.2%. These are worldwide searches for English-language branded terms.
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Is k6 or Katalon more popular in search?
Compare services and tools used to test and debug application programming interfaces. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of searches by month for k6, Katalon. The figures are in the table below the chart.
View monthly share of searches table
| Month | k6 | Playwright | SoapUI | Postman | Bruno | Katalon | Insomnia | Karate | Hoppscotch |
|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 26.3% | 15.4% | 18.3% | 13.2% | 9.3% | 6.7% | 8.9% | 1.3% | 0.77% |
| Nov 2025 | 29.9% | 17.9% | 17% | 13.2% | 7% | 6.2% | 6.9% | 1.4% | 0.71% |
| Dec 2025 | 28.5% | 19.2% | 16.2% | 13.3% | 8.1% | 5.9% | 6.7% | 1.3% | 0.7% |
| Jan 2026 | 30% | 20.6% | 13.9% | 11.9% | 8.6% | 6.2% | 6.7% | 1.2% | 0.87% |
| Feb 2026 | 29.9% | 19.4% | 13.9% | 13.2% | 10.5% | 5.1% | 5.7% | 1.4% | 0.89% |
| Mar 2026 | 27.4% | 18.5% | 15.3% | 11.9% | 11.6% | 5.6% | 7.4% | 1.3% | 1% |
| Apr 2026 | 29.3% | 20.1% | 13.6% | 13% | 10.3% | 6.1% | 5.5% | 1.1% | 0.89% |
| May 2026 | 31.1% | 19.2% | 14.4% | 11.2% | 11.2% | 5.3% | 5.6% | 1.1% | 0.8% |
| Jun 2026 | 31.3% | 21.7% | 14.3% | 11.6% | 9.1% | 5.2% | 4.8% | 1.2% | 0.91% |
| Jul 2026 | 32.6% | 19.9% | 12.2% | 12% | 11.6% | 4.4% | 5.1% | 1.2% | 0.93% |
| Aug 2026 | 33.1% | 22.1% | 12.4% | 11.8% | 9.6% | 4.5% | 4.3% | 1.1% | 1.1% |
| Sep 2026 | 37.5% | 21% | 11.6% | 9.8% | 9% | 5.2% | 3.9% | 0.99% | 0.91% |
How has the k6 and Katalon comparison changed over the last 12 months?
3 findings
- k6 was ahead of Katalon in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, k6’s share of searches among API testing tools worldwide moved from 26.3% to 37.5%, and its estimated monthly branded searches moved from 71.5K to 87.5K.
- Across the 12 months ending September 2026, Katalon’s share of searches among API testing tools worldwide moved from 6.7% to 5.2%, and its estimated monthly branded searches moved from 18.1K to 12.1K.
How did search popularity change for API testing tools worldwide in September 2026?
2 changes
In September 2026, k6 gained share of searches among API testing tools worldwide, from 33.1% to 37.5%.
In September 2026, Katalon gained share of searches among API testing tools worldwide, from 4.5% to 5.2%.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using k6’s and Katalon’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.
Other head-to-heads among API testing tools
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