--- title: "How popular is Dexcom? Searches and AI answers worldwide" description: "Dexcom makes continuous glucose monitoring systems. 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/brands/dexcom" publisher: "Brandwave" --- # How popular is Dexcom? Searches and AI answers worldwide Dexcom makes continuous glucose monitoring systems. 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 - **Brand**: Dexcom - **Market**: Global - **Measured month**: Oct 2026 - **Share of Search among continuous glucose monitor brands**: 52.1% ## Where does Dexcom compete? | Competitive set | Rank | Share of Search | Estimated monthly branded searches | | --- | --- | --- | --- | | Continuous glucose monitor brands | 1 | 52.1% | 301K | - [Continuous glucose monitor brands](/demand/global-en/categories/continuous-glucose-monitor-brands) ## Top continuous glucose monitor brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Dexcom appeared in all five answers. Dexcom is the most recommended of the four. 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 | | --- | --- | --- | --- | --- | | Dexcom | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | FreeStyle Libre | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Medtronic | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | LinX | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about continuous glucose monitor brands - Asked ChatGPT "Which continuous glucose monitor brand should I buy?": 1. Dexcom, 2. FreeStyle Libre - Asked ChatGPT "What are the best continuous glucose monitor brands?": 1. Dexcom, 2. FreeStyle Libre, 3. Medtronic - Asked ChatGPT "What's the best continuous glucose monitor brand for diabetes management?": 1. Dexcom, 2. FreeStyle Libre, 3. Medtronic - Searched Google, AI Overview "continuous glucose monitor": 1. Dexcom, 2. FreeStyle Libre - Searched Google, AI Overview "cgm for diabetes": 1. Dexcom, 2. FreeStyle Libre, 3. Medtronic Not named in any answer: LinX. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How has branded search demand for Dexcom changed worldwide over the last 12 months? - Across the 12 months ending October 2026, estimated monthly branded searches for Dexcom worldwide rose from 246K to 301K. - Across the 12 months ending October 2026, Dexcom’s share of searches among continuous glucose monitor brands worldwide increased from 44% to 52.1%. - Across the 12 months ending October 2026, Dexcom’s share of searches among continuous glucose monitor brands worldwide peaked at 52.1% in June 2026 and was lowest at 44% in November 2025. ## How did search popularity change for continuous glucose monitor brands worldwide in October 2026? - Estimated monthly branded searches for Dexcom worldwide rose 22.4% over 12 measured months, from 246K to 301K in October 2026. - Estimated monthly branded searches for FreeStyle Libre worldwide fell 17.9% over 12 measured months, from 201K to 165K in October 2026. - Estimated monthly branded searches for Medtronic worldwide fell 15.8% over 12 measured months, from 1.9K to 1.6K in October 2026. ## Historical estimated branded-search demand | Month | Competitive set | Estimated monthly branded searches | Share of Search | Rank | | --- | --- | --- | --- | --- | | Nov 2025 | Continuous glucose monitor brands | 246K | 44% | 1 | | Dec 2025 | Continuous glucose monitor brands | 246K | 44% | 1 | | Jan 2026 | Continuous glucose monitor brands | 301K | 49.1% | 1 | | Feb 2026 | Continuous glucose monitor brands | 246K | 44% | 1 | | Mar 2026 | Continuous glucose monitor brands | 301K | 47.1% | 1 | | Apr 2026 | Continuous glucose monitor brands | 301K | 49.1% | 1 | | May 2026 | Continuous glucose monitor brands | 301K | 49.1% | 1 | | Jun 2026 | Continuous glucose monitor brands | 301K | 52.1% | 1 | | Jul 2026 | Continuous glucose monitor brands | 301K | 52.1% | 1 | | Aug 2026 | Continuous glucose monitor brands | 301K | 52.1% | 1 | | Sep 2026 | Continuous glucose monitor brands | 301K | 52.1% | 1 | | Oct 2026 | Continuous glucose monitor brands | 301K | 52.1% | 1 | ## How are Dexcom’s branded searches counted? Brandwave collects information about searches that people make online using Dexcom’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading. - “dexcom” ## Which continuous glucose monitor brands compete with Dexcom? - [FreeStyle Libre](/demand/global-en/brands/freestyle-libre): Head-to-head: /demand/global-en/compare/dexcom-vs-freestyle-libre - [LinX](/demand/global-en/brands/linx-cgm): Head-to-head: /demand/global-en/compare/dexcom-vs-linx-cgm - [Medtronic](/demand/global-en/brands/medtronic-diabetes): Head-to-head: /demand/global-en/compare/dexcom-vs-medtronic-diabetes ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Cite this page Brandwave. "How popular is Dexcom? Searches and AI answers worldwide". https://gobrandwave.com/demand/global-en/brands/dexcom This page is also available as HTML at https://gobrandwave.com/demand/global-en/brands/dexcom. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.