Brita vs Ro:Which is more popular?
In September 2026, Ro had more branded searches than Brita among water purifier brands worldwide. Ro had about 22,200 branded searches, while Brita had 1,300. Ro made up 7.4% of all water purifier brand searches we track, and Brita accounted for 0.43%. When we asked ChatGPT and Google AI Overviews about water purifier brands, Ro appeared in all five answers and Brita in three. Ro was mentioned before Brita in four out of five answers.
Who do people search for more?
Ro, about 17 searches for every 1 for Brita
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Top water purifier brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Ro appeared in all five answers. Brita was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Ro was listed before Brita in four out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- AquaTru5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Ro5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Aquasana4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
iSpring3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers- APEC Water Systems3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Brita3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Coway0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
LG0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about water purifier brands
5 answers
Asked ChatGPT
“Which water purifier brand should I buy?”
Asked ChatGPT
“What are the best water purifier brands?”
Asked ChatGPT
“What's the best water purifier brand for clean drinking water?”
Searched Google, AI Overview
“best water purifier”
Searched Google, AI Overview
“home water purifier”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Brita or Ro more popular in search?
This chart shows how often people search Google for Brita and Ro by name. Each line represents a brand's share of searches for all eight water purifier brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Ro, Brita. The figures are in the table below the chart.
View monthly share of searches table
| Month | Coway | AquaTru | Aquasana | Ro | LG | iSpring | APEC Water Systems | Brita |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 54.4% | 10.9% | 10.9% | 7.3% | 7.3% | 5.3% | 3.3% | 0.53% |
| Nov 2025 | 51.5% | 15.5% | 10.3% | 5.7% | 8.5% | 5.1% | 3.1% | 0.41% |
| Dec 2025 | 48.9% | 14.7% | 12% | 6.6% | 8% | 5.9% | 3.6% | 0.47% |
| Jan 2026 | 50.5% | 12.4% | 12.4% | 8.3% | 6.8% | 6.1% | 3% | 0.58% |
| Feb 2026 | 47.9% | 14.4% | 11.7% | 7.9% | 7.9% | 5.7% | 3.5% | 1% |
| Mar 2026 | 51.1% | 12.5% | 10.2% | 8.4% | 6.9% | 6.1% | 3.1% | 1.7% |
| Apr 2026 | 50.2% | 15.1% | 10.1% | 8.2% | 6.8% | 6% | 3% | 0.58% |
| May 2026 | 51.1% | 15.3% | 10.2% | 6.9% | 6.9% | 6.1% | 3.1% | 0.4% |
| Jun 2026 | 54.2% | 13.3% | 8.9% | 7.3% | 7.3% | 5.3% | 3.3% | 0.43% |
| Jul 2026 | 54.2% | 13.3% | 8.9% | 7.3% | 7.3% | 5.3% | 3.2% | 0.53% |
| Aug 2026 | 50.8% | 15.2% | 10.2% | 8.3% | 6.8% | 5% | 3% | 0.49% |
| Sep 2026 | 54.9% | 13.5% | 9% | 7.4% | 6% | 5.4% | 3.3% | 0.43% |
How has the Brita and Ro comparison changed over the last 12 months?
3 findings
- Ro was ahead of Brita in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Brita’s share of searches among water purifier brands worldwide moved from 0.53% to 0.43%, and its estimated monthly branded searches moved from 1.6K to 1.3K.
- Across the 12 months ending September 2026, Ro’s share of searches among water purifier brands worldwide moved from 7.3% to 7.4%, and its estimated monthly branded searches held steady at 22.2K.
How did search popularity change for water purifier brands worldwide in September 2026?
2 changes

In September 2026, Ro lost share of searches among water purifier brands worldwide, from 8.3% to 7.4%.

Estimated monthly branded searches for Brita worldwide fell 18.8% over 12 measured months, from 1.6K to 1.3K in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Brita’s and Ro’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.
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