---
title: "Continuous glucose monitor brands: Which are most popular?"
description: "Compare the continuous glucose monitor brands people buy. Share of Search among Dexcom, FreeStyle Libre, LinX and Medtronic, the continuous glucose monitor brands Brandwave compares worldwide, using the same methodology, market, and reporting period. 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/categories/continuous-glucose-monitor-brands"
publisher: "Brandwave"
---

# Continuous glucose monitor brands: Which are most popular?

Compare the continuous glucose monitor brands people buy. Share of Search among Dexcom, FreeStyle Libre, LinX and Medtronic, the continuous glucose monitor brands Brandwave compares worldwide, using the same methodology, market, and reporting period. 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

- **Competitive set**: Continuous glucose monitor brands
- **Market**: Global
- **Brands compared**: 4
- **Month measured**: Oct 2026
- **Highest Share of Search**: Dexcom, 52.1%

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

- 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%.
- 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.

## 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.

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.

## Compare search popularity between leading brands

- [Dexcom vs FreeStyle Libre: compare search popularity](/demand/global-en/compare/dexcom-vs-freestyle-libre): 52.1% against 28.6% Share of Search.
- [Dexcom vs LinX: compare search popularity](/demand/global-en/compare/dexcom-vs-linx-cgm): 52.1% against 19% Share of Search.
- [FreeStyle Libre vs LinX: compare search popularity](/demand/global-en/compare/freestyle-libre-vs-linx-cgm): 28.6% against 19% Share of Search.

## 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.

## Which continuous glucose monitor brands do people search for most?

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Dexcom | 52.1% | 301K | 0.0% | Dexcom |
| 2 | FreeStyle Libre | 28.6% | 165K | 0.0% | Abbott |
| 3 | LinX | 19% | 110K | 0.0% | MicroTech Medical |
| 4 | Medtronic | 0.28% | 1.6K | 0.0% | Medtronic |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Nov 2025 | Dexcom | 246K | 44% | 1 |
| Nov 2025 | FreeStyle Libre | 201K | 36% | 2 |
| Nov 2025 | LinX | 110K | 19.7% | 3 |
| Nov 2025 | Medtronic | 1.9K | 0.34% | 4 |
| Dec 2025 | Dexcom | 246K | 44% | 1 |
| Dec 2025 | FreeStyle Libre | 201K | 36% | 2 |
| Dec 2025 | LinX | 110K | 19.7% | 3 |
| Dec 2025 | Medtronic | 1.6K | 0.29% | 4 |
| Jan 2026 | Dexcom | 301K | 49.1% | 1 |
| Jan 2026 | FreeStyle Libre | 201K | 32.8% | 2 |
| Jan 2026 | LinX | 110K | 17.9% | 3 |
| Jan 2026 | Medtronic | 1.6K | 0.26% | 4 |
| Feb 2026 | Dexcom | 246K | 44% | 1 |
| Feb 2026 | FreeStyle Libre | 201K | 36% | 2 |
| Feb 2026 | LinX | 110K | 19.7% | 3 |
| Feb 2026 | Medtronic | 1.6K | 0.29% | 4 |
| Mar 2026 | Dexcom | 301K | 47.1% | 1 |
| Mar 2026 | FreeStyle Libre | 201K | 31.5% | 2 |
| Mar 2026 | LinX | 135K | 21.1% | 3 |
| Mar 2026 | Medtronic | 1.6K | 0.25% | 4 |
| Apr 2026 | Dexcom | 301K | 49.1% | 1 |
| Apr 2026 | FreeStyle Libre | 201K | 32.8% | 2 |
| Apr 2026 | LinX | 110K | 17.9% | 3 |
| Apr 2026 | Medtronic | 1.6K | 0.26% | 4 |
| May 2026 | Dexcom | 301K | 49.1% | 1 |
| May 2026 | FreeStyle Libre | 201K | 32.8% | 2 |
| May 2026 | LinX | 110K | 17.9% | 3 |
| May 2026 | Medtronic | 1.6K | 0.26% | 4 |
| Jun 2026 | Dexcom | 301K | 52.1% | 1 |
| Jun 2026 | FreeStyle Libre | 165K | 28.6% | 2 |
| Jun 2026 | LinX | 110K | 19% | 3 |
| Jun 2026 | Medtronic | 1.6K | 0.28% | 4 |
| Jul 2026 | Dexcom | 301K | 52.1% | 1 |
| Jul 2026 | FreeStyle Libre | 165K | 28.6% | 2 |
| Jul 2026 | LinX | 110K | 19% | 3 |
| Jul 2026 | Medtronic | 1.6K | 0.28% | 4 |
| Aug 2026 | Dexcom | 301K | 52.1% | 1 |
| Aug 2026 | FreeStyle Libre | 165K | 28.6% | 2 |
| Aug 2026 | LinX | 110K | 19% | 3 |
| Aug 2026 | Medtronic | 1.6K | 0.28% | 4 |
| Sep 2026 | Dexcom | 301K | 52.1% | 1 |
| Sep 2026 | FreeStyle Libre | 165K | 28.6% | 2 |
| Sep 2026 | LinX | 110K | 19% | 3 |
| Sep 2026 | Medtronic | 1.6K | 0.28% | 4 |
| Oct 2026 | Dexcom | 301K | 52.1% | 1 |
| Oct 2026 | FreeStyle Libre | 165K | 28.6% | 2 |
| Oct 2026 | LinX | 110K | 19% | 3 |
| Oct 2026 | Medtronic | 1.6K | 0.28% | 4 |

## How are branded searches counted for continuous glucose monitor brands?

- **Dexcom**: Measured on the search term “dexcom”.
- **FreeStyle Libre**: Measured on the search term “freestyle libre”.
- **LinX**: Measured on the search term “linx”.
- **Medtronic**: Measured on the search term “medtronic simplera”.

- [Dexcom](/demand/global-en/brands/dexcom)
- [FreeStyle Libre](/demand/global-en/brands/freestyle-libre)
- [LinX](/demand/global-en/brands/linx-cgm)
- [Medtronic](/demand/global-en/brands/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.

## Frequently asked questions

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

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. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Continuous glucose monitor brands: Which are most popular?". https://gobrandwave.com/demand/global-en/categories/continuous-glucose-monitor-brands

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/continuous-glucose-monitor-brands. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.