Brandwave

GrowthBook vs VWO:Which is more popular?

In September 2026, GrowthBook had more branded searches than VWO among A/B testing tools in New Zealand. GrowthBook had about 70 branded searches, while VWO had 10. GrowthBook made up 4.7% of all A/B testing tool searches we track, and VWO accounted for 0.67%. When we asked ChatGPT and Google AI Overviews about A/B testing tools, both GrowthBook and VWO appeared in all five answers. VWO was mentioned before GrowthBook in four out of five answers.

Among A/B testing tools in New Zealand in September 2026

Who do people search for more?

GrowthBook, about 7 searches for every 1 for VWO

GrowthBook 70 searchesVWO 10 searches

Who does AI mention more?

Both are mentioned in every answer we collected.

GrowthBook in 5 of 5VWO in 5 of 5

Who does AI recommend more?

VWO, named ahead of GrowthBook in 4 of 5 answers

VWO first in 4GrowthBook first in 1

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

In three ChatGPT questions and two Google AI Overviews, both GrowthBook and VWO showed up in all five answers. VWO was listed before GrowthBook in four of them.

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.

Is GrowthBook or VWO more popular in search?

This chart shows how often people search Google for GrowthBook and VWO by name. Each line represents a brand's share of searches for all seven A/B testing tools we track, month by month, from searches in New Zealand.

GrowthBook and VWO among A/B testing tools in New Zealand, by month

Share of searches by month for GrowthBook, VWO. 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%

How has the GrowthBook and VWO comparison changed over the last 12 months?

3 findings
  • GrowthBook was ahead of VWO in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, GrowthBook’s share of searches among A/B testing tools in New Zealand moved from 3.8% to 4.7%, and its estimated monthly branded searches moved from 50 to 70.
  • Across the 12 months ending September 2026, VWO’s share of searches among A/B testing tools in New Zealand moved from 0.77% to 0.67%, and its estimated monthly branded searches held steady at 10.

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

1 change

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

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using GrowthBook’s and VWO’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

1 branded search term

  • growthbook

VWO

2 branded search terms

  • vwo ab testing
  • vwo split testing

How the Brand Demand Index is measured

Other head-to-heads among A/B testing tools

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