--- title: "GrowthBook vs PostHog: Which is searched more?" description: "Is GrowthBook or PostHog more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Feature flag tools 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/categories/feature-flag-tools/compare/growthbook-vs-posthog" publisher: "Brandwave" --- # GrowthBook vs PostHog: Which is searched more? Is GrowthBook or PostHog more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Feature flag tools 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**: GrowthBook and PostHog - **Competitive set**: Feature flag tools - **Market**: Global - **Month measured**: Sep 2026 - **GrowthBook Share of Search**: 2.6% - **PostHog Share of Search**: 42.4% ## Is GrowthBook or PostHog more popular in search? - In September 2026, PostHog had more branded searches than GrowthBook among feature flag tools worldwide. PostHog had about 246,000 branded searches, while GrowthBook had 14,900. PostHog made up 42.4% of all feature flag tool searches we track, and GrowthBook accounted for 2.6%. - PostHog was ahead of GrowthBook in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, GrowthBook’s share of searches among feature flag tools worldwide held steady at 2.6%, and its estimated monthly branded searches moved from 12.2K to 14.9K. - Across the 12 months ending September 2026, PostHog’s share of searches among feature flag tools worldwide moved from 23.9% to 42.4%, and its estimated monthly branded searches moved from 110K to 246K. ## Top feature flag tools in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, GrowthBook was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. PostHog was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. GrowthBook was listed before PostHog in four out of 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 | | --- | --- | --- | --- | --- | | LaunchDarkly | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Unleash | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Flagsmith | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | Statsig | 4th | 1 of 3 | 2 of 2 | 3 of 5 | | GrowthBook | 5th | 3 of 3 | 1 of 2 | 4 of 5 | | PostHog | 6th | 1 of 3 | 1 of 2 | 2 of 5 | | Split | 6th | 0 of 3 | 1 of 2 | 1 of 5 | | ConfigCat | 8th | 1 of 3 | 0 of 2 | 1 of 5 | | Optimizely | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about feature flag tools - Asked ChatGPT "Which feature flag tool should I use?": 1. LaunchDarkly, 2. GrowthBook, 3. Unleash, 4. Flagsmith - Asked ChatGPT "What are the best feature flag tools?": 1. LaunchDarkly, 2. GrowthBook, 3. Unleash, 4. PostHog, 5. Flagsmith, 6. ConfigCat - Asked ChatGPT "What's the best feature flag tool for software rollouts?": 1. LaunchDarkly, 2. Statsig, 3. Unleash, 4. Flagsmith, 5. GrowthBook - Searched Google, AI Overview "feature flag tools": 1. LaunchDarkly, 2. Statsig, 3. Split, 4. Flagsmith, 5. Unleash, 6. PostHog - Searched Google, AI Overview "feature toggle software": 1. LaunchDarkly, 2. Unleash, 3. Flagsmith, 4. Statsig, 5. GrowthBook Not named in any answer: Optimizely. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for feature flag tools worldwide in September 2026? - In September 2026, PostHog gained share of searches among feature flag tools worldwide, from 38.5% to 42.4%. - Estimated monthly branded searches for GrowthBook worldwide rose 22.3% over 12 measured months, from 12.2K to 14.9K in September 2026. ## Month by month | Month | GrowthBook estimated searches | GrowthBook Share of Search | GrowthBook rank | PostHog estimated searches | PostHog Share of Search | PostHog rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 12.2K | 2.6% | 5 | 110K | 23.9% | 2 | | Nov 2025 | 12.2K | 2.8% | 5 | 110K | 25.3% | 2 | | Dec 2025 | 12.2K | 2.8% | 5 | 110K | 25.4% | 2 | | Jan 2026 | 12.2K | 2.3% | 5 | 135K | 25.9% | 2 | | Feb 2026 | 12.2K | 2.9% | 5 | 90.5K | 21.4% | 2 | | Mar 2026 | 14.9K | 3% | 5 | 165K | 32.8% | 2 | | Apr 2026 | 18.2K | 4% | 5 | 110K | 24.3% | 2 | | May 2026 | 14.9K | 3.2% | 5 | 135K | 28.9% | 2 | | Jun 2026 | 14.9K | 2.8% | 5 | 201K | 37.3% | 2 | | Jul 2026 | 14.9K | 2.8% | 5 | 201K | 37.3% | 2 | | Aug 2026 | 12.2K | 2.3% | 5 | 201K | 38.5% | 2 | | Sep 2026 | 14.9K | 2.6% | 5 | 246K | 42.4% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using GrowthBook’s and PostHog’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. - **GrowthBook**: Measured on the search terms “growth book”, “growthbook” and “growthbook feature flags”, summed into one figure. - **PostHog**: Measured on the search term “posthog”. - [GrowthBook profile](/demand/global-en/brands/growthbook) - [PostHog profile](/demand/global-en/brands/posthog) - [All feature flag tools worldwide](/demand/global-en/categories/feature-flag-tools): The set both shares are measured inside, 9 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 GrowthBook or PostHog more popular in search? In September 2026, PostHog had more branded searches than GrowthBook among feature flag tools worldwide. PostHog had about 246,000 branded searches, while GrowthBook had 14,900. PostHog made up 42.4% of all feature flag tool searches we track, and GrowthBook accounted for 2.6%. ## Cite this page Brandwave. "GrowthBook vs PostHog: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/feature-flag-tools/compare/growthbook-vs-posthog This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/feature-flag-tools/compare/growthbook-vs-posthog. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.