Brandwave

How popular isFlex?

In September 2026, people searched for Flex by name about 8,100 times worldwide, a 22.7% increase from the previous year. These searches made up 5.8% of all global menstrual cup brand searches, placing Flex second out of six brands. When we asked both ChatGPT and Google AI Overviews about menstrual cup brands, Flex appeared in three of the five answers and was the second most recommended of the six.

Search and AI answers in September 2026

Flex is the second most searched of 6 competitors and the second most recommended in AI answers.

  1. DIVAShare of searches 79.4%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  2. FlexShare of searches 5.8%Mentioned in 3 of 5 AI answersPlace in AI recommendations 2nd
  3. MooncupShare of searches 5.8%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  4. PixieShare of searches 5.8%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  5. SaaltShare of searches 2.6%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st

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Top menstrual cup brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Flex was mentioned in three out of five: in one of the three ChatGPT answers and in both Google AI Overviews. Flex is the second most recommended of the six.

Most recommended by AI

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

  1. Saalt1st
  2. Flex2nd
  3. DIVA–
  4. Mooncup–
  5. Pixie–
  6. Cora–

Mentioned by AI

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

  • Saalt5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Flex3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • DIVA0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Mooncup0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Pixie0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Cora0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about menstrual cup brands

5 answers

  • Asked ChatGPT

    “Which menstrual cup brand should I buy?”

    1. 1Saalt

  • Asked ChatGPT

    “What are the best menstrual cup brands?”

    1. 1Saalt
    2. 2Flex

  • Asked ChatGPT

    “What's the best menstrual cup for beginners?”

    1. 1Saalt

  • Searched Google, AI Overview

    “menstrual cup”

    1. 1Saalt
    2. 2Flex

  • Searched Google, AI Overview

    “best menstrual cup”

    1. 1Saalt
    2. 2Flex

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 22, 2026.

Which menstrual cup brands compete with Flex?

Flex against menstrual cup brands worldwide, by month

Share of searches by month for DIVA, Flex, Mooncup, Pixie, Saalt. The figures are in the table below the chart.

View monthly share of searches table
MonthDIVAFlexMooncupPixieSaaltCora
Oct 202578.5%4.7%10.6%3.1%2.6%0.51%
Nov 202578.8%5.7%8.6%3.8%2.5%0.51%
Dec 202576.3%4.6%12.5%3.7%2.4%0.5%
Jan 202680.8%4.8%7.3%4%2.6%0.43%
Feb 202679.7%4.8%8.7%3.9%2.6%0.42%
Mar 202682.3%4.9%6.1%4%2.2%0.44%
Apr 202679.3%4.8%7.1%5.8%2.6%0.43%
May 202682.4%4%4.9%6%2.2%0.36%
Jun 202683.3%5%5%4.1%2.2%0.36%
Jul 202681.8%4.9%4.9%4%4%0.36%
Aug 202681.6%4.9%4.9%4.9%3.3%0.44%
Sep 202679.4%5.8%5.8%5.8%2.6%0.43%

  1. 1.DIVA

    79.4%

    Held 1st. 110K estimated branded searches, -18.5% vs prior month. Share -2.2 points.

  2. 2.Flex

    5.8%

    Held 2nd. 8.1K estimated branded searches, 0% vs prior month. Share +1 points.

  3. 3.Mooncup

    5.8%

    Held 3rd. 8.1K estimated branded searches, 0% vs prior month. Share +1 points.

  4. 4.Pixie

    5.8%

    Held 4th. 8.1K estimated branded searches, 0% vs prior month. Share +1 points.

  5. 5.Saalt

    2.6%

    Held 5th. 3.6K estimated branded searches, -33.3% vs prior month. Share -0.7 points.

  6. 6.Cora

    0.43%

    Held 6th. 590 estimated branded searches, -18.1% vs prior month. Share 0 points.

Compare popularity between Flex and its closest rivals

Every comparison with Flex

5 comparisons

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

4 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for Flex worldwide rose from 6.6K to 8.1K.
  • Across the 12 months ending September 2026, Flex’s share of searches among menstrual cup brands worldwide increased from 4.7% to 5.8%.
  • Across the 12 months ending September 2026, Flex’s share of searches among menstrual cup brands worldwide peaked at 5.8% in September 2026 and was lowest at 4% in May 2026.
  • Across the 12 months ending September 2026, Flex rose from 3rd to 2nd among menstrual cup brands worldwide.

How did search popularity change for menstrual cup brands worldwide in September 2026?

6 changes

  1. In September 2026, Flex gained share of searches among menstrual cup brands worldwide, from 4.9% to 5.8%.

  2. In September 2026, Mooncup gained share of searches among menstrual cup brands worldwide, from 4.9% to 5.8%.

  3. In September 2026, Pixie gained share of searches among menstrual cup brands worldwide, from 4.9% to 5.8%.

  4. In September 2026, DIVA lost share of searches among menstrual cup brands worldwide, from 81.6% to 79.4%.

  5. In September 2026, Saalt lost share of searches among menstrual cup brands worldwide, from 3.3% to 2.6%.

  6. Estimated monthly branded searches for Cora worldwide fell 18.1% over 12 measured months, from 720 to 590 in September 2026.

How are Flex’s branded searches counted?

1 search term

Brandwave collects information about searches that people make online using Flex’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.

  • flex cup

How the Brand Demand Index is measured

Who owns Flex?

Flex is owned by The Flex Company. Brandwave does not track any other brands owned by The Flex Company.

Do you work for Flex? To request corrections or removal please contact us via our support page and we will be happy to assist.

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