Eppo vs GrowthBook:Which is more popular?
In September 2026, Eppo had more branded searches than GrowthBook among experimentation platforms worldwide. Eppo had about 40,500 branded searches, while GrowthBook had 14,900. Eppo made up 10.2% of all experimentation platform searches we track, and GrowthBook accounted for 3.8%. When we asked ChatGPT and Google AI Overviews about experimentation platforms, GrowthBook appeared in four of the five answers and Eppo in two. GrowthBook was mentioned before Eppo in two out of three answers.
Who do people search for more?
Eppo, about 3 searches for every 1 for GrowthBook
Who does AI mention more?
GrowthBook, mentioned in 4 of 5 answers, Eppo in 2
Who does AI recommend more?
GrowthBook, named ahead of Eppo in 2 of 3 answers
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Top experimentation platforms 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. Eppo was mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. GrowthBook was listed before Eppo in two out of three answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
- GrowthBook1st
Statsig2nd- Eppo3rd
Optimizely4th
VWO5th
LaunchDarkly6th
Split7th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Statsig5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- GrowthBook4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Optimizely3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- LaunchDarkly3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- VWO3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
- Eppo2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Split1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
See every answer about experimentation platforms
5 answers
Asked ChatGPT
“Which experimentation platform should I use?”
Asked ChatGPT
“What are the best experimentation platforms?”
Asked ChatGPT
“What's the best experimentation platform for product teams?”
Searched Google, AI Overview
“experimentation platform”
Searched Google, AI Overview
“ab testing software”
Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.
Is Eppo or GrowthBook more popular in search?
This chart shows how often people search Google for Eppo and GrowthBook by name. Each line represents a brand's share of searches for all seven experimentation platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Eppo, GrowthBook. The figures are in the table below the chart.
View monthly share of searches table
| Month | Optimizely | Eppo | LaunchDarkly | VWO | Statsig | GrowthBook | Split |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 57.2% | 9.4% | 11.5% | 11.8% | 6.3% | 2.8% | 0.87% |
| Nov 2025 | 62.3% | 10.3% | 8.4% | 10.6% | 4.6% | 3.1% | 0.83% |
| Dec 2025 | 62.4% | 10.3% | 8.4% | 10.5% | 4.6% | 3.1% | 0.71% |
| Jan 2026 | 61.3% | 8.2% | 8.2% | 15.3% | 3.7% | 2.5% | 0.69% |
| Feb 2026 | 58.3% | 9.6% | 9.6% | 14.6% | 4.3% | 2.9% | 0.66% |
| Mar 2026 | 57.8% | 9.5% | 9.5% | 14.5% | 4.3% | 3.5% | 0.85% |
| Apr 2026 | 57.2% | 11.5% | 9.4% | 11.8% | 5.2% | 4.2% | 0.67% |
| May 2026 | 58.7% | 11.8% | 7.9% | 12% | 5.3% | 3.6% | 0.67% |
| Jun 2026 | 59.5% | 9.8% | 9.8% | 12.2% | 4.4% | 3.6% | 0.66% |
| Jul 2026 | 60.9% | 10% | 10% | 10.3% | 4.5% | 3.7% | 0.58% |
| Aug 2026 | 64.2% | 10.6% | 8.6% | 8.9% | 3.9% | 3.2% | 0.64% |
| Sep 2026 | 62% | 10.2% | 10.2% | 8.6% | 4.6% | 3.8% | 0.74% |
How has the Eppo and GrowthBook comparison changed over the last 12 months?
3 findings
- Eppo was ahead of GrowthBook in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Eppo’s share of searches among experimentation platforms worldwide moved from 9.4% to 10.2%, and its estimated monthly branded searches held steady at 40.5K.
- Across the 12 months ending September 2026, GrowthBook’s share of searches among experimentation platforms worldwide moved from 2.8% to 3.8%, and its estimated monthly branded searches moved from 12.2K to 14.9K.
How did search popularity change for experimentation platforms worldwide in September 2026?
1 change
In September 2026, GrowthBook gained share of searches among experimentation platforms worldwide, from 3.2% to 3.8%.
How are branded searches counted?
4 search terms
Brandwave collects information about searches that people make online using Eppo’s and GrowthBook’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
1 branded search term
- eppo
GrowthBook
3 branded search terms
- growth book
- growthbook
- growthbook feature flags
Other head-to-heads among experimentation platforms
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