Testo vs TOPDON:Which is more popular?
In September 2026, Testo had more branded searches than TOPDON among thermal camera brands worldwide. Testo had about 135,000 branded searches, while TOPDON had 60,500. Testo made up 41% of all thermal camera brand searches we track, and TOPDON accounted for 18.4%. When we asked ChatGPT and Google AI Overviews about thermal camera brands, TOPDON appeared in four of the five answers and Testo in one. TOPDON was mentioned before Testo in three out of four answers.
Who do people search for more?
Testo, about 2 searches for every 1 for TOPDON
Who does AI mention more?
TOPDON, mentioned in 4 of 5 answers, Testo in 1
Who does AI recommend more?
TOPDON, named ahead of Testo in 3 of 4 answers
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Top thermal camera brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, TOPDON was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Testo was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. TOPDON was listed before Testo in three out of four answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
FLIR5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
HIKMICRO4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers- TOPDON4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Fluke3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Seek Thermal2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers- Testo1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Bosch0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about thermal camera brands
5 answers
Asked ChatGPT
“Which thermal camera brand should I buy?”
Asked ChatGPT
“What are the best thermal camera brands?”
Asked ChatGPT
“What's the best thermal camera brand for home inspections?”
Searched Google, AI Overview
“best thermal camera”
Searched Google, AI Overview
“thermal imaging camera”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Testo or TOPDON more popular in search?
This chart shows how often people search Google for Testo and TOPDON by name. Each line represents a brand's share of searches for all seven thermal camera brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Testo, TOPDON. The figures are in the table below the chart.
View monthly share of searches table
| Month | Testo | HIKMICRO | TOPDON | FLIR | Seek Thermal | Fluke | Bosch |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 38.3% | 21% | 17.2% | 17.2% | 2.9% | 1.9% | 1.5% |
| Nov 2025 | 38.5% | 21.1% | 17.2% | 17.2% | 2.9% | 1.5% | 1.5% |
| Dec 2025 | 37.9% | 20.8% | 17% | 17% | 3.1% | 2.8% | 1.5% |
| Jan 2026 | 36.6% | 20% | 20% | 16.4% | 4% | 1.5% | 1.5% |
| Feb 2026 | 39.3% | 17.6% | 17.6% | 17.6% | 3.8% | 2.4% | 1.5% |
| Mar 2026 | 39.4% | 17.7% | 17.7% | 17.7% | 3.2% | 2.9% | 1.5% |
| Apr 2026 | 42.3% | 15.5% | 18.9% | 15.5% | 3.1% | 3.1% | 1.6% |
| May 2026 | 42.9% | 15.7% | 19.2% | 15.7% | 2.3% | 2.6% | 1.6% |
| Jun 2026 | 44.2% | 16.2% | 16.2% | 16.2% | 2.4% | 3.2% | 1.5% |
| Jul 2026 | 44.6% | 16.4% | 16.4% | 16.4% | 2.6% | 2.2% | 1.5% |
| Aug 2026 | 41.5% | 18.6% | 18.6% | 15.2% | 2.2% | 2.5% | 1.3% |
| Sep 2026 | 41% | 22.5% | 18.4% | 12.3% | 2.4% | 2% | 1.4% |
How has the Testo and TOPDON comparison changed over the last 12 months?
3 findings
- Testo was ahead of TOPDON in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Testo’s share of searches among thermal camera brands worldwide moved from 38.3% to 41%, and its estimated monthly branded searches held steady at 135K.
- Across the 12 months ending September 2026, TOPDON’s share of searches among thermal camera brands worldwide moved from 17.2% to 18.4%, and its estimated monthly branded searches held steady at 60.5K.
How did search popularity change for thermal camera brands worldwide in September 2026?
0 changes
Neither Testo nor TOPDON moved beyond provider rounding among thermal camera brands in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Testo’s and TOPDON’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.
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