--- title: "SICK vs Testo: Which is searched more?" description: "Is SICK or Testo more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Gas analyzer brands set worldwide. 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." canonical: "https://gobrandwave.com/demand/global-en/compare/sick-ag-vs-testo" publisher: "Brandwave" --- # SICK vs Testo: Which is searched more? Is SICK or Testo more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Gas analyzer brands set worldwide. 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. ## Key facts - **Compared**: SICK and Testo - **Competitive set**: Gas analyzer brands - **Market**: Global - **Month measured**: Sep 2026 - **SICK Share of Search**: 1.6% - **Testo Share of Search**: 9.6% ## Is SICK or Testo more popular in search? - In September 2026, Testo had more branded searches than SICK among gas analyzer brands worldwide. Testo had about 135,000 branded searches, while SICK had 22,000. Testo made up 9.6% of all gas analyzer brand searches we track, and SICK accounted for 1.6%. - Testo was ahead of SICK in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, SICK’s share of searches among gas analyzer brands worldwide moved from 1.9% to 1.6%, and its estimated monthly branded searches moved from 26.9K to 22K. - Across the 12 months ending September 2026, Testo’s share of searches among gas analyzer brands worldwide held steady at 9.6%, and its estimated monthly branded searches held steady at 135K. ## Top gas analyzer brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Testo was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. SICK was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. SICK was listed before Testo in two out of three answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | ABB | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Siemens | 2nd | 2 of 3 | 0 of 2 | 2 of 5 | | Testo | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | Emerson | 4th | 2 of 3 | 0 of 2 | 2 of 5 | | HORIBA | 5th | 3 of 3 | 0 of 2 | 3 of 5 | | SICK | 6th | 2 of 3 | 0 of 2 | 2 of 5 | | Fluke | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about gas analyzer brands - Asked ChatGPT "Which gas analyzer brand should I buy?": 1. Testo, 2. ABB, 3. HORIBA - Asked ChatGPT "What are the best gas analyzer brands?": 1. ABB, 2. Siemens, 3. SICK, 4. Emerson, 5. HORIBA, 6. Testo - Asked ChatGPT "What's the best gas analyzer brand for industrial testing?": 1. ABB, 2. Siemens, 3. Emerson, 4. HORIBA, 5. SICK - Searched Google, AI Overview "portable gas analyzer": 1. ABB - Searched Google, AI Overview "flue gas analyser": 1. Testo Not named in any answer: Fluke. Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for gas analyzer brands worldwide in September 2026? - In September 2026, SICK fell from 3rd to 4th among gas analyzer brands worldwide. ## Month by month | Month | SICK estimated searches | SICK Share of Search | SICK rank | Testo estimated searches | Testo Share of Search | Testo rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 26.9K | 1.9% | 3 | 135K | 9.6% | 2 | | Nov 2025 | 24.7K | 1.5% | 3 | 135K | 8% | 2 | | Dec 2025 | 19.8K | 1.4% | 3 | 135K | 9.7% | 2 | | Jan 2026 | 24.7K | 1.8% | 3 | 135K | 9.6% | 2 | | Feb 2026 | 24.7K | 1.8% | 3 | 135K | 9.7% | 2 | | Mar 2026 | 26.9K | 1.9% | 3 | 135K | 9.6% | 2 | | Apr 2026 | 24.7K | 1.8% | 3 | 135K | 9.6% | 2 | | May 2026 | 22K | 1.6% | 3 | 135K | 9.7% | 2 | | Jun 2026 | 22K | 1.6% | 4 | 135K | 9.6% | 2 | | Jul 2026 | 24.7K | 1.8% | 3 | 135K | 9.7% | 2 | | Aug 2026 | 22K | 1.6% | 3 | 135K | 9.7% | 2 | | Sep 2026 | 22K | 1.6% | 4 | 135K | 9.6% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using SICK’s and Testo’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. - **SICK**: Measured on the search terms “sick ag” and “sick sensors”, summed into one figure. - **Testo**: Measured on the search term “testo”. - [SICK profile](/demand/global-en/brands/sick-ag) - [Testo profile](/demand/global-en/brands/testo) - [All gas analyzer brands worldwide](/demand/global-en/categories/gas-analyzer-brands): The set both shares are measured inside, 7 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is SICK or Testo more popular in search? In September 2026, Testo had more branded searches than SICK among gas analyzer brands worldwide. Testo had about 135,000 branded searches, while SICK had 22,000. Testo made up 9.6% of all gas analyzer brand searches we track, and SICK accounted for 1.6%. ## Cite this page Brandwave. "SICK vs Testo: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/sick-ag-vs-testo This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/sick-ag-vs-testo. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.