--- title: "Eppo vs PostHog: Which is searched more?" description: "Is Eppo or PostHog more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the A/B testing platforms 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/eppo-vs-posthog" publisher: "Brandwave" --- # Eppo vs PostHog: Which is searched more? Is Eppo or PostHog more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the A/B testing platforms 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**: Eppo and PostHog - **Competitive set**: A/B testing platforms - **Market**: Global - **Month measured**: Sep 2026 - **Eppo Share of Search**: 6.2% - **PostHog Share of Search**: 37.8% ## Is Eppo or PostHog more popular in search? - In September 2026, PostHog had more branded searches than Eppo among A/B testing platforms worldwide. PostHog had about 246,000 branded searches, while Eppo had 40,500. PostHog made up 37.8% of all A/B testing platform searches we track, and Eppo accounted for 6.2%. - PostHog was ahead of Eppo in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Eppo’s share of searches among A/B testing platforms worldwide moved from 7.4% to 6.2%, and its estimated monthly branded searches held steady at 40.5K. - Across the 12 months ending September 2026, PostHog’s share of searches among A/B testing platforms worldwide moved from 20% to 37.8%, and its estimated monthly branded searches moved from 110K to 246K. ## Top A/B testing platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, PostHog was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Eppo was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. PostHog was listed before Eppo in every answer. 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 | | --- | --- | --- | --- | --- | | PostHog | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Statsig | 2nd | 2 of 3 | 1 of 2 | 3 of 5 | | Optimizely | 3rd | 3 of 3 | 1 of 2 | 4 of 5 | | VWO | 4th | 3 of 3 | 1 of 2 | 4 of 5 | | GrowthBook | 5th | 2 of 3 | 1 of 2 | 3 of 5 | | AB Tasty | 6th | 1 of 3 | 1 of 2 | 2 of 5 | | LaunchDarkly | 7th | 1 of 3 | 1 of 2 | 2 of 5 | | Eppo | 8th | 1 of 3 | 1 of 2 | 2 of 5 | | Convert Experiences | 9th | 1 of 3 | 0 of 2 | 1 of 5 | | Split | 10th | 0 of 3 | 1 of 2 | 1 of 5 | ## Every AI answer about A/B testing platforms - Asked ChatGPT "Which A/B testing platform should I use?": 1. PostHog, 2. Statsig, 3. GrowthBook, 4. VWO, 5. Optimizely - Asked ChatGPT "What are the best A/B testing platforms?": 1. Statsig, 2. PostHog, 3. VWO, 4. Optimizely, 5. GrowthBook, 6. LaunchDarkly, 7. Convert Experiences, 8. Eppo - Asked ChatGPT "What's the best A/B testing platform for A marketing team?": 1. VWO, 2. Optimizely, 3. AB Tasty, 4. PostHog - Searched Google, AI Overview "a/b testing platform": 1. Optimizely, 2. AB Tasty, 3. Statsig, 4. PostHog, 5. LaunchDarkly, 6. GrowthBook, 7. Eppo, 8. VWO, 9. Split - Searched Google, AI Overview "website testing software": named none of the brands we track 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 A/B testing platforms worldwide in September 2026? - In September 2026, PostHog gained share of searches among A/B testing platforms worldwide, from 34% to 37.8%. - In September 2026, Eppo lost share of searches among A/B testing platforms worldwide, from 6.9% to 6.2%. ## Month by month | Month | Eppo estimated searches | Eppo Share of Search | Eppo rank | PostHog estimated searches | PostHog Share of Search | PostHog rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 40.5K | 7.4% | 5 | 110K | 20% | 2 | | Nov 2025 | 40.5K | 7.9% | 4 | 110K | 21.4% | 2 | | Dec 2025 | 40.5K | 7.9% | 4 | 110K | 21.5% | 2 | | Jan 2026 | 40.5K | 6.4% | 4 | 135K | 21.2% | 2 | | Feb 2026 | 40.5K | 7.8% | 4 | 90.5K | 17.4% | 2 | | Mar 2026 | 40.5K | 6.8% | 4 | 165K | 27.5% | 2 | | Apr 2026 | 49.5K | 9% | 4 | 110K | 20% | 2 | | May 2026 | 49.5K | 8.8% | 4 | 135K | 24.1% | 2 | | Jun 2026 | 40.5K | 6.5% | 4 | 201K | 32.3% | 2 | | Jul 2026 | 40.5K | 6.6% | 4 | 201K | 32.9% | 2 | | Aug 2026 | 40.5K | 6.9% | 3 | 201K | 34% | 2 | | Sep 2026 | 40.5K | 6.2% | 3 | 246K | 37.8% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using Eppo’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. - **Eppo**: Measured on the search term “eppo”. - **PostHog**: Measured on the search term “posthog”. - [Eppo profile](/demand/global-en/brands/eppo) - [PostHog profile](/demand/global-en/brands/posthog) - [All A/B testing platforms worldwide](/demand/global-en/categories/ab-testing-platforms): The set both shares are measured inside, 10 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 Eppo or PostHog more popular in search? In September 2026, PostHog had more branded searches than Eppo among A/B testing platforms worldwide. PostHog had about 246,000 branded searches, while Eppo had 40,500. PostHog made up 37.8% of all A/B testing platform searches we track, and Eppo accounted for 6.2%. ## Cite this page Brandwave. "Eppo vs PostHog: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/eppo-vs-posthog This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/eppo-vs-posthog. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.