Billi vs Waters Co:Which is more popular by branded search in New Zealand?
In August 2026, Waters Co had more branded searches than Billi among water filter brands in New Zealand. Waters Co was estimated to have 510 branded searches compared to Billi’s 250, and held a 4.4% Share of Search versus Billi’s 2.2%.
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Which is more popular in search, Billi or Waters Co?
Compare the water filter and purification brands New Zealand homes use. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Waters Co, Billi. The figures are in the table below the chart.
View monthly share of search table
| Month | Brita | Puretec | Waters Co | Billi | Zip Water |
|---|---|---|---|---|---|
| Oct 2025 | 60.8% | 29.9% | 5.7% | 2.4% | 1.1% |
| Nov 2025 | 62.2% | 27.9% | 6.6% | 2.2% | 1% |
| Dec 2025 | 62.4% | 29% | 6% | 1.7% | 0.95% |
| Jan 2026 | 62.4% | 29% | 5.3% | 2% | 1.2% |
| Feb 2026 | 65.4% | 26.9% | 4.6% | 2% | 1.2% |
| Mar 2026 | 62.7% | 28.6% | 5.3% | 2.2% | 1.1% |
| Apr 2026 | 65.7% | 26.8% | 4.1% | 2.3% | 1.1% |
| May 2026 | 64.4% | 27.7% | 4.3% | 2.3% | 1.3% |
| Jun 2026 | 66.6% | 25.9% | 4.1% | 2.1% | 1.2% |
| Jul 2026 | 68% | 24.9% | 4.1% | 1.6% | 1.3% |
| Aug 2026 | 64.9% | 27.2% | 4.4% | 2.2% | 1.4% |
| Sep 2026 | — | — | — | — | — |
How has the Billi and Waters Co comparison changed over the last 12 months?
3 findings
- Waters Co was ahead of Billi in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Billi’s estimated Share of Search among water filter brands in New Zealand moved from 2.4% to 2.2%, and its estimated monthly branded searches moved from 260 to 250.
- Across the 11 months ending August 2026, Waters Co’s estimated Share of Search among water filter brands in New Zealand moved from 5.7% to 4.4%, and its estimated monthly branded searches moved from 610 to 510.
How did search popularity change for New Zealand water filter brands in August 2026?
2 changes
In August 2026, Billi gained estimated Share of Search among water filter brands in New Zealand, from 1.6% to 2.2%.
Estimated monthly branded searches for Waters Co in New Zealand fell 16.4% over 11 measured months, from 610 to 510 in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Billi’s and Waters Co’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.
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.