Bruno vs Katalon:Which is more popular?
In September 2026, Bruno had more branded searches than Katalon among API testing tools worldwide. Bruno had about 21,000 branded searches, while Katalon had 12,100. Bruno made up 9% of all API testing tool searches we track, and Katalon accounted for 5.2%. When we asked ChatGPT and Google AI Overviews about API testing tools, Bruno appeared in four of the five answers and Katalon in two. Bruno was mentioned before Katalon in four out of five answers.
Who do people search for more?
Bruno, about 74% more searches than Katalon
Who does AI mention more?
Bruno, mentioned in 4 of 5 answers, Katalon in 2
Who does AI recommend more?
Bruno, named ahead of Katalon in 4 of 5 answers
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Top API testing tools in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Bruno was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Katalon was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Bruno was listed before Katalon in four out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Postman1st- Bruno2nd
Karate3rd
SoapUI4th
Insomnia5th
Playwright6th
Katalon7th
k68th
Hoppscotch9th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Postman5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- SoapUI4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Bruno4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Karate4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- k63 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Playwright2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Katalon2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Insomnia2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Hoppscotch1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about API testing tools
5 answers
Asked ChatGPT
“Which API testing tool should I use?”
Asked ChatGPT
“What are the best API testing tools?”
Asked ChatGPT
“What's the best API testing tool for qa teams?”
Searched Google, AI Overview
“api testing tools”
Searched Google, AI Overview
“api test software”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Bruno or Katalon more popular in search?
This chart shows how often people search Google for Bruno and Katalon by name. Each line represents a brand's share of searches for all nine API testing tools we track, month by month, from English-language searches worldwide.
Share of searches by month for Bruno, 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 Bruno and Katalon comparison changed over the last 12 months?
3 findings
- Bruno was ahead of Katalon in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Bruno’s share of searches among API testing tools worldwide moved from 9.3% to 9%, and its estimated monthly branded searches moved from 25.1K to 21K.
- 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, Katalon gained share of searches among API testing tools worldwide, from 4.5% to 5.2%.
In September 2026, Bruno lost share of searches among API testing tools worldwide, from 9.6% to 9%.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Bruno’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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