APEC Water Systems vs Ro:Which is more popular?
In September 2026, Ro had more branded searches than APEC Water Systems among water purifier brands worldwide. Ro had about 22,200 branded searches, while APEC Water Systems had 9,900. Ro made up 4.4% of all water purifier brand searches we track, and APEC Water Systems accounted for 2%. When we asked ChatGPT and Google AI Overviews about water purifier brands, Ro appeared in all five answers and APEC Water Systems in three. APEC Water Systems was mentioned before Ro in three out of five answers.
Who do people search for more?
Ro, about 2 searches for every 1 for APEC Water Systems
Who does AI mention more?
Ro, mentioned in every answer we collected
Who does AI recommend more?
APEC Water Systems, named ahead of Ro in 3 of 5 answers
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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. APEC Water Systems was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. APEC Water Systems was listed before Ro in three 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
Brita3 of 5Named in 2 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
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 APEC Water Systems or Ro more popular in search?
This chart shows how often people search Google for APEC Water Systems 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, APEC Water Systems. The figures are in the table below the chart.
View monthly share of searches table
| Month | Brita | Coway | AquaTru | Aquasana | Ro | LG | iSpring | APEC Water Systems |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 40% | 32.8% | 6.6% | 6.6% | 4.4% | 4.4% | 3.2% | 2% |
| Nov 2025 | 38.7% | 31.7% | 9.5% | 6.4% | 3.5% | 5.2% | 3.1% | 1.9% |
| Dec 2025 | 42.2% | 28.4% | 8.5% | 7% | 3.8% | 4.7% | 3.4% | 2.1% |
| Jan 2026 | 38.2% | 31.4% | 7.7% | 7.7% | 5.2% | 4.2% | 3.8% | 1.9% |
| Feb 2026 | 37.2% | 30.4% | 9.1% | 7.5% | 5% | 5% | 3.6% | 2.2% |
| Mar 2026 | 38.8% | 31.8% | 7.8% | 6.4% | 5.2% | 4.3% | 3.8% | 1.9% |
| Apr 2026 | 38.1% | 31.3% | 9.4% | 6.3% | 5.1% | 4.2% | 3.8% | 1.9% |
| May 2026 | 38.5% | 31.6% | 9.5% | 6.3% | 4.2% | 4.2% | 3.8% | 1.9% |
| Jun 2026 | 39.9% | 32.7% | 8% | 5.4% | 4.4% | 4.4% | 3.2% | 2% |
| Jul 2026 | 39.9% | 32.7% | 8% | 5.4% | 4.4% | 4.4% | 3.2% | 2% |
| Aug 2026 | 43.2% | 29% | 8.7% | 5.8% | 4.8% | 3.9% | 2.8% | 1.7% |
| Sep 2026 | 40.2% | 33% | 8.1% | 5.4% | 4.4% | 3.6% | 3.2% | 2% |
How has the APEC Water Systems and Ro comparison changed over the last 12 months?
3 findings
- Ro was ahead of APEC Water Systems in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, APEC Water Systems’ share of searches among water purifier brands worldwide held steady at 2%, and its estimated monthly branded searches held steady at 9.9K.
- Across the 12 months ending September 2026, Ro’s share of searches among water purifier brands worldwide held steady at 4.4%, and its estimated monthly branded searches held steady at 22.2K.
How did search popularity change for water purifier brands worldwide in September 2026?
0 changes
Neither APEC Water Systems nor Ro moved beyond provider rounding among water purifier brands in September 2026.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using APEC Water Systems’ 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.
APEC Water Systems
1 branded search term
- apec water systems
Ro
1 branded search term
- ro health
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