Continuous glucose monitor brands:Which are most popular?

Name: Continuous glucose monitor brands: Which are searched most?
Creator: Brandwave
License: https://creativecommons.org/licenses/by/4.0/

In October 2026, Dexcom was the most searched continuous glucose monitor brand worldwide, accounting for 52.1% of all searches among the four brands tracked by the Brandwave Brand Demand Index. When we checked with ChatGPT and Google AI Overviews, Dexcom and FreeStyle Libre showed up in every answer. Dexcom was recommended most often, coming first in every response.

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Top continuous glucose monitor brands in ChatGPT and Google AI Overviews

In Brandwave's three ChatGPT questions and two Google AI Overviews, Dexcom and FreeStyle Libre appeared every time. Dexcom was recommended most often, coming first in every answer. FreeStyle Libre was second, and Medtronic was third. LinX, which ranked third in searches, was not mentioned at all.

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.

How many AI answers named each brand
Brand	ChatGPT	Google	Answers that named it
Dexcom	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
FreeStyle Libre	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Medtronic	Named in 2 of 3 ChatGPT answers	Named in 1 of 2 Google AI Overviews	3 of 5
LinX	Named in 0 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	0 of 5

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

Asked ChatGPT
“Which continuous glucose monitor brand should I buy?”
1. 1Dexcom
2. 2FreeStyle Libre
Asked ChatGPT
“What are the best continuous glucose monitor brands?”
Asked ChatGPT
“What's the best continuous glucose monitor brand for diabetes management?”
Searched Google, AI Overview
“continuous glucose monitor”
1. 1Dexcom
2. 2FreeStyle Libre
Searched Google, AI Overview
“cgm for diabetes”

Not named in any answer:

LinX

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Which continuous glucose monitor brands do people search for most?

This chart shows how often people search Google for each continuous glucose monitor brand by name. Each line represents a brand's share of searches for all four continuous glucose monitor brands we track, month by month, from English-language searches worldwide.

Share of searches among continuous glucose monitor brands worldwide, by month

Month	Dexcom	FreeStyle Libre	LinX	Medtronic
Nov 2025	44%	36%	19.7%	0.34%
Dec 2025	44%	36%	19.7%	0.29%
Jan 2026	49.1%	32.8%	17.9%	0.26%
Feb 2026	44%	36%	19.7%	0.29%
Mar 2026	47.1%	31.5%	21.1%	0.25%
Apr 2026	49.1%	32.8%	17.9%	0.26%
May 2026	49.1%	32.8%	17.9%	0.26%
Jun 2026	52.1%	28.6%	19%	0.28%
Jul 2026	52.1%	28.6%	19%	0.28%
Aug 2026	52.1%	28.6%	19%	0.28%
Sep 2026	52.1%	28.6%	19%	0.28%
Oct 2026	52.1%	28.6%	19%	0.28%

Rank	Brand	Share of searches	Estimated monthly branded searches	vs prior month
1, held 1st	Dexcom	52.1%	301K	0%
2, held 2nd	FreeStyle Libre Abbott	28.6%	165K	0%
3, held 3rd	LinXMicroTech Medical	19%	110K	0%
4, held 4th	Medtronic	0.28%	1.6K	0%

1.Dexcom
52.1%
Held 1st. 301K estimated branded searches, 0% vs prior month. Share 0 points.
2.FreeStyle Libre
28.6%
Held 2nd. 165K estimated branded searches, 0% vs prior month. Share 0 points.
3.LinX
19%
Held 3rd. 110K estimated branded searches, 0% vs prior month. Share 0 points.
4.Medtronic
0.28%
Held 4th. 1.6K estimated branded searches, 0% vs prior month. Share 0 points.

Which brand is most popular in search among continuous glucose monitor brands worldwide?

4 brands

In October 2026, Dexcom was the most searched among continuous glucose monitor brands worldwide, with an estimated 301K branded searches, 52.1% of all searches for the four tracked by the Brandwave Brand Demand Index. FreeStyle Libre is in 2nd place, 23.5 percentage points behind at 28.6%.

Global continuous glucose monitor brands, last 12 months ending October 2026
Brand	Share of searches	Peak	Low	Rank
Dexcom	44% → 52.1%	52.1%Jun 2026	44%Nov 2025	1st
FreeStyle Libre	36% → 28.6%	36%Dec 2025	28.6%Jun 2026	2nd
LinX	19.7% → 19%	21.1%Mar 2026	17.9%Jan 2026	3rd
Medtronic	0.34% → 0.28%	0.34%Nov 2025	0.25%Mar 2026	4th

Each finding as a sentence

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, FreeStyle Libre’s share of searches among continuous glucose monitor brands worldwide decreased from 36% to 28.6%.
Across the 12 months ending October 2026, LinX’s share of searches among continuous glucose monitor brands worldwide decreased from 19.7% to 19%.
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.
Across the 12 months ending October 2026, FreeStyle Libre’s share of searches among continuous glucose monitor brands worldwide peaked at 36% in December 2025 and was lowest at 28.6% in June 2026.
Across the 12 months ending October 2026, LinX’s share of searches among continuous glucose monitor brands worldwide peaked at 21.1% in March 2026 and was lowest at 17.9% in January 2026.
Across the 12 months ending October 2026, Medtronic held steady: its share of searches among continuous glucose monitor brands worldwide moved less than 0.5 percentage points.

How did search popularity change for continuous glucose monitor brands worldwide in October 2026?

3 changes

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.

How are branded searches counted for continuous glucose monitor brands?

4 search terms

Each brand's share of searches among continuous glucose monitor brands comes from the terms listed under its name. When people mostly search for a brand because of something else it sells, only the searches that name this product count here.