Brandwave

Euki vs Flo:Which is more popular?

In September 2026, Flo had more branded searches than Euki among period tracking apps worldwide. Flo had about 84,200 branded searches, while Euki had 3,620. Flo made up 43.9% of all period tracking app searches we track, and Euki accounted for 1.9%. When we asked ChatGPT and Google AI Overviews about period tracking apps, Euki and Flo each appeared in four of the five answers. Flo was mentioned before Euki in three out of five answers.

Among period tracking apps worldwide in September 2026

Who do people search for more?

Flo, about 23 searches for every 1 for Euki

Flo 84.2K searchesEuki 3.6K searches

Who does AI mention more?

Both were mentioned in 4 of 5 answers.

Euki in 4 of 5Flo in 4 of 5

Who does AI recommend more?

Flo, named ahead of Euki in 3 of 5 answers

Flo first in 3Euki first in 2

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Top period tracking apps in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Euki and Flo were each mentioned in four out of five: in two of the three ChatGPT answers and in both Google AI Overviews. Flo was listed before Euki in three out of five answers.

Most recommended by AI

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

  1. Clue1st
  2. Flo2nd
  3. Euki3rd
  4. Spot On4th
  5. Stardust5th
  6. Natural Cycles6th
  7. Glow–
  8. Ovia–

Mentioned by AI

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

  • Clue5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Flo4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Euki4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Spot On2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Natural Cycles1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Stardust1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Glow0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Ovia0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about period tracking apps

5 answers

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 21, 2026.

Is Euki or Flo more popular in search?

This chart shows how often people search Google for Euki and Flo by name. Each line represents a brand's share of searches for all eight period tracking apps we track, month by month, from English-language searches worldwide.

Euki and Flo among period tracking apps worldwide, by month

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

View monthly share of searches table
MonthFloNatural CyclesClueStardustEukiGlowSpot OnOvia
Oct 202546.1%34.9%10.9%4.6%1.3%0.8%0.47%1%
Nov 202545%37%9.5%4.9%1.3%0.85%0.55%0.88%
Dec 202540.5%41.9%10.4%3.7%1.5%0.78%0.46%0.78%
Jan 202643.5%39.4%10.6%3.5%1.2%0.61%0.4%0.83%
Feb 202650.8%32.2%9.8%3.7%1.4%0.75%0.54%0.76%
Mar 202645.5%35.2%11.8%4.1%1.3%0.78%0.62%0.72%
Apr 202643.4%33.3%15%4.4%1.5%0.89%0.76%0.79%
May 202650.1%28.9%13.7%3.7%1.3%0.9%0.66%0.68%
Jun 202652.1%27.6%12.5%4.2%1.2%1.1%0.68%0.67%
Jul 202652%26.5%12.8%4.9%1.2%1.3%0.64%0.62%
Aug 202640.9%36.8%13%4.8%1.7%1.5%0.67%0.67%
Sep 202643.9%33.4%12.3%5.2%1.9%1.5%0.9%0.81%

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

3 findings
  • Flo was ahead of Euki in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Euki’s share of searches among period tracking apps worldwide moved from 1.3% to 1.9%, and its estimated monthly branded searches moved from 2.4K to 3.6K.
  • Across the 12 months ending September 2026, Flo’s share of searches among period tracking apps worldwide moved from 46.1% to 43.9%, and its estimated monthly branded searches moved from 84.7K to 84.2K.

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

2 changes
  1. In September 2026, Flo gained share of searches among period tracking apps worldwide, from 40.9% to 43.9%.

  2. Estimated monthly branded searches for Euki worldwide rose 52.1% over 12 measured months, from 2.4K to 3.6K in September 2026.

How are branded searches counted?

6 search terms

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

Euki

2 branded search terms

  • euki
  • euki app

Flo

4 branded search terms

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

How the Brand Demand Index is measured

Other head-to-heads among period tracking apps

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