--- title: "Glow vs Spot On: Which is searched more?" description: "Is Glow or Spot On more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Period tracking apps set worldwide. 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/compare/glow-vs-spot-on" publisher: "Brandwave" --- # Glow vs Spot On: Which is searched more? Is Glow or Spot On more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Period tracking apps set worldwide. 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 - **Compared**: Glow and Spot On - **Competitive set**: Period tracking apps - **Market**: Global - **Month measured**: Sep 2026 - **Glow Share of Search**: 1.5% - **Spot On Share of Search**: 0.9% ## Is Glow or Spot On more popular in search? - In September 2026, Glow had more branded searches than Spot On among period tracking apps worldwide. Glow had about 2,900 branded searches, while Spot On had 1,720. Glow made up 1.5% of all period tracking app searches we track, and Spot On accounted for 0.9%. - Glow was ahead of Spot On in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Glow’s share of searches among period tracking apps worldwide moved from 0.8% to 1.5%, and its estimated monthly branded searches moved from 1.5K to 2.9K. - Across the 12 months ending September 2026, Spot On’s share of searches among period tracking apps worldwide moved from 0.47% to 0.9%, and its estimated monthly branded searches moved from 870 to 1.7K. ## Top period tracking apps in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Spot On was mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. Glow did not appear in any of the five answers. 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 | | --- | --- | --- | --- | --- | | Clue | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Flo | 2nd | 2 of 3 | 2 of 2 | 4 of 5 | | Euki | 3rd | 2 of 3 | 2 of 2 | 4 of 5 | | Spot On | 4th | 0 of 3 | 2 of 2 | 2 of 5 | | Stardust | 5th | 1 of 3 | 0 of 2 | 1 of 5 | | Natural Cycles | 6th | 1 of 3 | 0 of 2 | 1 of 5 | | Glow | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Ovia | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about period tracking apps - Asked ChatGPT "Which period tracking app should I use?": 1. Clue, 2. Euki - Asked ChatGPT "What are the best period tracking apps?": 1. Clue, 2. Euki, 3. Flo, 4. Stardust, 5. Natural Cycles - Asked ChatGPT "What's the best period tracking app for fertility tracking?": 1. Clue, 2. Flo - Searched Google, AI Overview "period tracking apps": 1. Flo, 2. Clue, 3. Spot On, 4. Euki - Searched Google, AI Overview "cycle tracking app": 1. Clue, 2. Flo, 3. Euki, 4. Spot On Not named in any answer: Glow and Ovia. Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for period tracking apps worldwide in September 2026? - In September 2026, Spot On rose from 8th to 7th among period tracking apps worldwide. - Estimated monthly branded searches for Glow worldwide rose 97.3% over 12 measured months, from 1.5K to 2.9K in September 2026. ## Month by month | Month | Glow estimated searches | Glow Share of Search | Glow rank | Spot On estimated searches | Spot On Share of Search | Spot On rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 1.5K | 0.8% | 7 | 870 | 0.47% | 8 | | Nov 2025 | 1.5K | 0.85% | 7 | 960 | 0.55% | 8 | | Dec 2025 | 1.5K | 0.78% | 6 | 870 | 0.46% | 8 | | Jan 2026 | 1.5K | 0.61% | 7 | 960 | 0.4% | 8 | | Feb 2026 | 1.5K | 0.75% | 7 | 1.1K | 0.54% | 8 | | Mar 2026 | 1.7K | 0.78% | 6 | 1.4K | 0.62% | 8 | | Apr 2026 | 1.7K | 0.89% | 6 | 1.5K | 0.76% | 8 | | May 2026 | 2K | 0.9% | 6 | 1.5K | 0.66% | 8 | | Jun 2026 | 2.6K | 1.1% | 6 | 1.6K | 0.68% | 7 | | Jul 2026 | 3.2K | 1.3% | 5 | 1.6K | 0.64% | 7 | | Aug 2026 | 3.2K | 1.5% | 6 | 1.5K | 0.67% | 8 | | Sep 2026 | 2.9K | 1.5% | 6 | 1.7K | 0.9% | 7 | ## How each brand is measured Brandwave collects information about searches that people make online using Glow’s and Spot On’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. - **Glow**: Measured on the search terms “glow fertility” and “glow period tracker”, summed into one figure. - **Spot On**: Measured on the search terms “spot on app” and “spot on period tracker”, summed into one figure. - [Glow profile](/demand/global-en/brands/glow) - [Spot On profile](/demand/global-en/brands/spot-on) - [All period tracking apps worldwide](/demand/global-en/categories/period-tracking-apps): The set both shares are measured inside, 8 brands. ## 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 ### Is Glow or Spot On more popular in search? In September 2026, Glow had more branded searches than Spot On among period tracking apps worldwide. Glow had about 2,900 branded searches, while Spot On had 1,720. Glow made up 1.5% of all period tracking app searches we track, and Spot On accounted for 0.9%. ## Cite this page Brandwave. "Glow vs Spot On: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/glow-vs-spot-on This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/glow-vs-spot-on. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.