Brandwave

Knix vs Thinx:Which is more popular by branded search?

In August 2026, Knix had more branded searches than Thinx among period underwear brands worldwide. Knix was estimated to have 216K branded searches compared to Thinx’s 40.8K, and held a 52.6% Share of Search versus Thinx’s 9.9%. Worldwide · English terms: these are worldwide searches for English-language branded terms.

Share of Search among period underwear brands worldwide in August 2026Which is more popular in search, Knix or Thinx?
Knix52.6%216K searches
vs
Thinx9.9%40.8K searches

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Which is more popular in search, Knix or Thinx?

A curated comparison of brands offering reusable period underwear, measured through worldwide branded search demand. Brand figures can include other apparel and period-care products. 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.

Knix and Thinx among period underwear brands worldwide, by month

Share of Search by month for Knix, Thinx. The figures are in the table below the chart.

View monthly share of search table
MonthKnixModibodiThinxSaaltWUKAAisle
Oct 202550.9%23.2%10.3%7.7%6.4%1.6%
Nov 202555.7%21.1%9.5%6.7%5.3%1.7%
Dec 202552.3%20.5%12.3%8.9%4.5%1.4%
Jan 202649%20.8%15.5%7.4%5.9%1.4%
Feb 202647.2%16.4%22.5%7%5.5%1.4%
Mar 202652.6%15.2%16.1%8.3%6.3%1.5%
Apr 202653.6%15.3%16.5%7.9%5.3%1.4%
May 202644.7%22%17.7%8.4%5.6%1.6%
Jun 202647%22.1%16.2%8.3%5.3%1.2%
Jul 202650.4%18.9%14.8%8.8%5.8%1.3%
Aug 202652.6%17.8%9.9%9.7%6.8%3.2%
Sep 2026——————

How has the Knix and Thinx comparison changed over the last 12 months?

  • Knix was ahead of Thinx in every measured month of the 11 months ending August 2026.
  • Across the 11 months ending August 2026, Knix’s estimated Share of Search among period underwear brands worldwide moved from 50.9% to 52.6%, and its estimated monthly branded searches moved from 155K to 216K.
  • Across the 11 months ending August 2026, Thinx’s estimated Share of Search among period underwear brands worldwide moved from 10.3% to 9.9%, and its estimated monthly branded searches moved from 31.5K to 40.8K.

How did search popularity change for period underwear brands worldwide in August 2026?

  1. In August 2026, Knix gained estimated Share of Search among period underwear brands worldwide, from 50.4% to 52.6%.

  2. In August 2026, Thinx lost estimated Share of Search among period underwear brands worldwide, from 14.8% to 9.9%.

How each brand is measured

Brandwave collects information about searches that people make online using Knix’s and Thinx’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Knix

5 branded search terms

  • knix
  • knix bras
  • knix period underwear
  • knix underwear
  • knixwear

Thinx

4 branded search terms

  • thinx
  • thinx pants
  • thinx period underwear
  • thinx underwear

How the Brand Demand Index is measured

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