Split vs VWO:Which is more popular?
In September 2026, VWO had more branded searches than Split among experimentation platforms worldwide. VWO had about 34,100 branded searches, while Split had 2,930. VWO made up 8.6% of all experimentation platform searches we track, and Split accounted for 0.74%. When we asked ChatGPT and Google AI Overviews about experimentation platforms, VWO appeared in three of the five answers and Split in one. VWO was mentioned before Split in every answer that named either.
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Top experimentation platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, VWO was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Split was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. VWO was listed before Split in every answer that named either.
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 Split or VWO more popular in search?
This chart shows how often people search Google for Split and VWO 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 VWO, Split. 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 Split and VWO comparison changed over the last 12 months?
3 findings
- VWO was ahead of Split in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Split’s share of searches among experimentation platforms worldwide moved from 0.87% to 0.74%, and its estimated monthly branded searches moved from 3.8K to 2.9K.
- Across the 12 months ending September 2026, VWO’s share of searches among experimentation platforms worldwide moved from 11.8% to 8.6%, and its estimated monthly branded searches moved from 50.9K to 34.1K.
How did search popularity change for experimentation platforms worldwide in September 2026?
3 changes
In September 2026, LaunchDarkly overtook VWO to rank 3rd among experimentation platforms worldwide, with 10.2% of the searches.
VWO’s share of searches among experimentation platforms worldwide has lost ground for 3 months in a row, from 12.2% to 8.6% in September 2026.
Estimated monthly branded searches for Split worldwide fell 22.1% over 12 measured months, from 3.8K to 2.9K in September 2026.
How are branded searches counted?
8 search terms
Brandwave collects information about searches that people make online using Split’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.
Other head-to-heads among experimentation platforms
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