Brandwave

How popular isDexcom?

In October 2026, people searched for Dexcom by name about 301,000 times worldwide, a 22.4% increase from the previous year. These searches made up 52.1% of all global continuous glucose monitor brand searches, placing Dexcom first out of four brands. When we asked both ChatGPT and Google AI Overviews about continuous glucose monitor brands, Dexcom appeared in all answers and was the most recommended of the four.

Search and AI answers in October 2026

Dexcom is the most searched of 4 competitors and the most recommended in the AI answers we collected.

  1. DexcomShare of searches 52.1%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  2. FreeStyle LibreShare of searches 28.6%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
  3. LinXShare of searches 19%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  4. MedtronicShare of searches 0.28%Mentioned in 3 of 5 AI answersPlace in AI recommendations 3rd
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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.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Dexcom1st
  2. FreeStyle Libre2nd
  3. Medtronic3rd
  4. LinX–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Dexcom5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • FreeStyle Libre5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Medtronic3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • LinX0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about continuous glucose monitor brands

5 answers

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 20, 2026.

How often do people search for Dexcom compared with other continuous glucose monitor brands worldwide?

Dexcom against continuous glucose monitor brands worldwide, by month

Share of searches by month for Dexcom, FreeStyle Libre, LinX. The figures are in the table below the chart.

View monthly share of searches table
MonthDexcomFreeStyle LibreLinXMedtronic
Nov 202544%36%19.7%0.34%
Dec 202544%36%19.7%0.29%
Jan 202649.1%32.8%17.9%0.26%
Feb 202644%36%19.7%0.29%
Mar 202647.1%31.5%21.1%0.25%
Apr 202649.1%32.8%17.9%0.26%
May 202649.1%32.8%17.9%0.26%
Jun 202652.1%28.6%19%0.28%
Jul 202652.1%28.6%19%0.28%
Aug 202652.1%28.6%19%0.28%
Sep 202652.1%28.6%19%0.28%
Oct 202652.1%28.6%19%0.28%

  1. 1.Dexcom

    52.1%

    Held 1st. 301K estimated branded searches, 0% vs prior month. Share 0 points.

  2. 2.FreeStyle Libre

    28.6%

    Held 2nd. 165K estimated branded searches, 0% vs prior month. Share 0 points.

  3. 3.LinX

    19%

    Held 3rd. 110K estimated branded searches, 0% vs prior month. Share 0 points.

  4. 4.Medtronic

    0.28%

    Held 4th. 1.6K estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between Dexcom and its closest rivals

Every comparison with Dexcom

3 comparisons

How has branded search demand for Dexcom changed worldwide over the last 12 months?

3 findings
  • 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?

3 changes

  1. Estimated monthly branded searches for Dexcom worldwide rose 22.4% over 12 measured months, from 246K to 301K in October 2026.

  2. Estimated monthly branded searches for FreeStyle Libre worldwide fell 17.9% over 12 measured months, from 201K to 165K in October 2026.

  3. Estimated monthly branded searches for Medtronic worldwide fell 15.8% over 12 measured months, from 1.9K to 1.6K in October 2026.

How are Dexcom’s branded searches counted?

1 search term

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

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How the Brand Demand Index is measured

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