Masimo vs Nonin:Which is more popular?
In September 2026, Masimo had more branded searches than Nonin among pulse oximeter brands worldwide. Masimo had about 40,500 branded searches, while Nonin had 4,400. Masimo made up 25.3% of all pulse oximeter brand searches we track, and Nonin accounted for 2.8%. When we asked ChatGPT and Google AI Overviews about pulse oximeter brands, Nonin appeared in four of the five answers and Masimo in three. Nonin was mentioned before Masimo in every answer.
Who do people search for more?
Masimo, about 9 searches for every 1 for Nonin
Who does AI mention more?
Nonin, mentioned in 4 of 5 answers, Masimo in 3
Who does AI recommend more?
Nonin, named ahead of Masimo in every answer
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Top pulse oximeter brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Nonin was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Masimo was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Nonin was listed before Masimo in every answer.
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.
- Zacurate5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Nonin4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Masimo3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Beurer1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Contec0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about pulse oximeter brands
5 answers
Asked ChatGPT
“Which pulse oximeter brand should I buy?”
Asked ChatGPT
“What are the best pulse oximeter brands?”
Asked ChatGPT
“What's the best pulse oximeter brand for home health monitoring?”
Searched Google, AI Overview
“best pulse oximeter”
Searched Google, AI Overview
“finger pulse oximeter”
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 Masimo or Nonin more popular in search?
This chart shows how often people search Google for Masimo and Nonin by name. Each line represents a brand's share of searches for all five pulse oximeter brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Masimo, Nonin. The figures are in the table below the chart.
View monthly share of searches table
| Month | Beurer | Contec | Masimo | Nonin | Zacurate |
|---|---|---|---|---|---|
| Oct 2025 | 50.6% | 18.5% | 27.7% | 3% | 0.27% |
| Nov 2025 | 54.3% | 13.4% | 29.9% | 2.2% | 0.24% |
| Dec 2025 | 58.9% | 11.9% | 26.5% | 2.4% | 0.39% |
| Jan 2026 | 54% | 13.3% | 29.7% | 2.7% | 0.35% |
| Feb 2026 | 49.5% | 14.8% | 33.1% | 2.4% | 0.26% |
| Mar 2026 | 42.7% | 19.1% | 34.9% | 3.1% | 0.28% |
| Apr 2026 | 47.3% | 17.3% | 31.6% | 3.5% | 0.31% |
| May 2026 | 47.6% | 17.4% | 31.9% | 2.8% | 0.25% |
| Jun 2026 | 47.6% | 17.4% | 31.8% | 2.8% | 0.31% |
| Jul 2026 | 47.6% | 17.4% | 31.8% | 2.8% | 0.31% |
| Aug 2026 | 46.3% | 25.3% | 25.3% | 2.8% | 0.3% |
| Sep 2026 | 46.3% | 25.3% | 25.3% | 2.8% | 0.3% |
How has the Masimo and Nonin comparison changed over the last 12 months?
3 findings
- Masimo was ahead of Nonin in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Masimo’s share of searches among pulse oximeter brands worldwide moved from 27.7% to 25.3%, and its estimated monthly branded searches moved from 49.5K to 40.5K.
- Across the 12 months ending September 2026, Nonin’s share of searches among pulse oximeter brands worldwide moved from 3% to 2.8%, and its estimated monthly branded searches moved from 5.4K to 4.4K.
How did search popularity change for pulse oximeter brands worldwide in September 2026?
2 changes
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Masimo’s and Nonin’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 pulse oximeter brands

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