Brandwave

Flo vs Stardust:Which is searched more?

In September 2026, Flo had more branded searches than Stardust among period tracking apps worldwide. Flo was estimated to have 84.2K branded searches compared to Stardust’s 10K, and held a 46.3% Share of Search versus Stardust’s 5.5%. These are worldwide searches for English-language branded terms.

Share of Search among period tracking apps worldwide in September 2026Which is more popular in search, Flo or Stardust?
Flo46.3%84.2K searches
vs
Stardust5.5%10K searches

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Which is more popular in search, Flo or Stardust?

Compare the period and fertility tracking apps people use. 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.

Flo and Stardust among period tracking apps worldwide, by month

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

View monthly share of search table
MonthFloNatural CyclesClueStardust
Oct 202547.8%36.2%11.3%4.8%
Nov 202546.7%38.3%9.9%5.1%
Dec 202541.9%43.4%10.8%3.9%
Jan 202644.9%40.6%10.9%3.6%
Feb 202652.7%33.4%10.1%3.8%
Mar 202647.1%36.4%12.2%4.2%
Apr 202645.2%34.6%15.6%4.6%
May 202652%30%14.2%3.8%
Jun 202654%28.6%12.9%4.4%
Jul 202654%27.5%13.3%5.1%
Aug 202642.8%38.5%13.6%5%
Sep 202646.3%35.2%13%5.5%

How has the Flo and Stardust comparison changed over the last 12 months?

  • Flo was ahead of Stardust in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Flo’s estimated Share of Search among period tracking apps worldwide moved from 47.8% to 46.3%, and its estimated monthly branded searches moved from 84.7K to 84.2K.
  • Across the 12 months ending September 2026, Stardust’s estimated Share of Search among period tracking apps worldwide moved from 4.8% to 5.5%, and its estimated monthly branded searches moved from 8.5K to 10K.

How did search popularity change for period tracking apps worldwide in September 2026?

  1. In September 2026, Flo gained estimated Share of Search among period tracking apps worldwide, from 42.8% to 46.3%.

  2. Estimated monthly branded searches for Stardust worldwide rose 17.6% over 12 measured months, from 8.5K to 10K in September 2026.

Other head-to-heads among period tracking apps

How each brand is measured

Brandwave collects information about searches that people make online using Flo’s and Stardust’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.

Flo

4 branded search terms

  • flo app
  • flo health
  • flo ovulation
  • flo period tracker

Stardust

2 branded search terms

  • stardust app
  • stardust period tracker

How the Brand Demand Index is measured

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