Brandwave

How popular isGrowthBook?

In September 2026, people searched for GrowthBook by name about 70 times in New Zealand, a 40% increase from the previous year. These searches made up 4.7% of all New Zealand A/B testing tool searches, placing GrowthBook third out of seven tools. When we asked both ChatGPT and Google AI Overviews about A/B testing tools, GrowthBook appeared in all answers and was the fourth most recommended of the seven.

Search and AI answers in September 2026

GrowthBook is the third most searched of 7 competitors and the fourth most recommended in AI answers.

  1. PostHogShare of searches 48%Mentioned in 4 of 5 AI answersPlace in AI recommendations 2nd
  2. OptimizelyShare of searches 41.3%Mentioned in 5 of 5 AI answersPlace in AI recommendations 3rd
  3. GrowthBookShare of searches 4.7%Mentioned in 5 of 5 AI answersPlace in AI recommendations 4th
  4. StatsigShare of searches 3.3%Mentioned in 2 of 5 AI answersPlace in AI recommendations 7th
  5. AB TastyShare of searches 1.3%Mentioned in 4 of 5 AI answersPlace in AI recommendations 6th

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Top A/B testing tools in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, GrowthBook appeared in all five answers. GrowthBook is the fourth most recommended of the seven.

Most recommended by AI

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

  1. VWO1st
  2. PostHog2nd
  3. Optimizely3rd
  4. GrowthBook4th
  5. Convert Experiences5th
  6. AB Tasty6th
  7. Statsig7th

Mentioned by AI

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

  • Optimizely5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • GrowthBook5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • VWO5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • PostHog4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • AB Tasty4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Convert Experiences3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Statsig2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers

See every answer about A/B testing tools

5 answers

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.

Which A/B testing tools compete with GrowthBook?

GrowthBook against A/B testing tools in New Zealand, by month

Share of searches by month for PostHog, Optimizely, GrowthBook, Statsig. The figures are in the table below the chart.

View monthly share of searches table
MonthPostHogOptimizelyGrowthBookStatsigAB TastyConvert ExperiencesVWO
Oct 202536.9%46.9%3.8%8.5%1.5%1.5%0.77%
Nov 202537.9%47.6%4.9%5.8%0.97%1.9%0.97%
Dec 202541.5%42.6%5.3%7.4%1.1%1.1%1.1%
Jan 202641.4%41.4%7.8%5.2%2.6%0.86%0.86%
Feb 202636.1%44.4%6.5%7.4%1.9%1.9%1.9%
Mar 202641.3%42.7%4.9%8.4%1.4%0.7%0.7%
Apr 202634.2%43%7.9%7.9%3.5%1.8%1.8%
May 202636.6%46.6%6.9%6.9%1.5%0.76%0.76%
Jun 202652.1%36.7%5.3%4.1%0.59%0.59%0.59%
Jul 202649.7%35.2%7.6%3.4%1.4%1.4%1.4%
Aug 202647.7%41.1%6%2.6%1.3%0.66%0.66%
Sep 202648%41.3%4.7%3.3%1.3%0.67%0.67%

  1. 1.PostHog

    48%

    Held 1st. 720 estimated branded searches, 0% vs prior month. Share +0.3 points.

  2. 2.Optimizely

    41.3%

    Held 2nd. 620 estimated branded searches, 0% vs prior month. Share +0.3 points.

  3. 3.GrowthBook

    4.7%

    Held 3rd. 70 estimated branded searches, -22.2% vs prior month. Share -1.3 points.

  4. 4.Statsig

    3.3%

    Held 4th. 50 estimated branded searches, +25% vs prior month. Share +0.7 points.

  5. 5.AB Tasty

    1.3%

    Held 5th. 20 estimated branded searches, 0% vs prior month. Share 0 points.

  6. 6.Convert Experiences

    0.67%

    Held 6th. 10 estimated branded searches, 0% vs prior month. Share 0 points.

  7. 7.VWO

    0.67%

    Held 7th. 10 estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between GrowthBook and its closest rivals

Every comparison with GrowthBook

4 comparisons

How has branded search demand for GrowthBook changed in New Zealand over the last 12 months?

4 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for GrowthBook in New Zealand rose from 50 to 70.
  • Across the 12 months ending September 2026, GrowthBook’s share of searches among A/B testing tools in New Zealand increased from 3.8% to 4.7%.
  • Across the 12 months ending September 2026, GrowthBook’s share of searches among A/B testing tools in New Zealand peaked at 7.9% in April 2026 and was lowest at 3.8% in October 2025.
  • Across the 12 months ending September 2026, GrowthBook rose from 4th to 3rd among A/B testing tools in New Zealand.

How did search popularity change for New Zealand A/B testing tools in September 2026?

4 changes

  1. In September 2026, Statsig gained share of searches among A/B testing tools in New Zealand, from 2.6% to 3.3%.

  2. In September 2026, GrowthBook lost share of searches among A/B testing tools in New Zealand, from 6% to 4.7%.

  3. Estimated monthly branded searches for PostHog in New Zealand rose 50% over 12 measured months, from 480 to 720 in September 2026.

  4. Estimated monthly branded searches for Convert Experiences in New Zealand fell 50% over 12 measured months, from 20 to 10 in September 2026.

How are GrowthBook’s branded searches counted?

1 search term

Brandwave collects information about searches that people make online using GrowthBook’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • growthbook

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How the Brand Demand Index is measured

Where does GrowthBook compete?

GrowthBook is ranked in two competitor sets. Each share is worked out among that set's brands, so it differs from set to set.
Competitor setRankShare of searchesRanking
A/B testing tools3rd of 74.7%Shown above
Feature flag tools2nd of 614.3%Show ranking
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Is GrowthBook your brand?

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