--- title: "Gerolsteiner vs Mountain Valley Spring Water: Which is searched more?" description: "Is Gerolsteiner or Mountain Valley Spring Water more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Mineral water brands set worldwide. 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." canonical: "https://gobrandwave.com/demand/global-en/compare/gerolsteiner-vs-mountain-valley-spring-water" publisher: "Brandwave" --- # Gerolsteiner vs Mountain Valley Spring Water: Which is searched more? Is Gerolsteiner or Mountain Valley Spring Water more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Mineral water brands set worldwide. 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. ## Key facts - **Compared**: Gerolsteiner and Mountain Valley Spring Water - **Competitive set**: Mineral water brands - **Market**: Global - **Month measured**: Sep 2026 - **Gerolsteiner Share of Search**: 12.9% - **Mountain Valley Spring Water Share of Search**: 14.4% ## Is Gerolsteiner or Mountain Valley Spring Water more popular in search? - In September 2026, Mountain Valley Spring Water had more branded searches than Gerolsteiner among mineral water brands worldwide. Mountain Valley Spring Water had about 101,000 branded searches, while Gerolsteiner had 90,500. Mountain Valley Spring Water made up 14.4% of all mineral water brand searches we track, and Gerolsteiner accounted for 12.9%. - The lead changed hands 2 times in the 12 months ending September 2026: Gerolsteiner took it in July 2026, Mountain Valley Spring Water took it in August 2026. - Across the 12 months ending September 2026, Gerolsteiner’s share of searches among mineral water brands worldwide moved from 11.9% to 12.9%, and its estimated monthly branded searches moved from 74K to 90.5K. - Across the 12 months ending September 2026, Mountain Valley Spring Water’s share of searches among mineral water brands worldwide moved from 14.3% to 14.4%, and its estimated monthly branded searches moved from 88.8K to 101K. ## Top mineral water brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Mountain Valley Spring Water appeared in all five answers. Gerolsteiner was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Gerolsteiner was listed before Mountain Valley Spring Water in three out of five answers. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Gerolsteiner | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | San Pellegrino | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Mountain Valley Spring Water | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | Evian | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Perrier | 5th | 1 of 3 | 2 of 2 | 3 of 5 | ## Every AI answer about mineral water brands - Asked ChatGPT "Which mineral water brand should I buy?": 1. Mountain Valley Spring Water, 2. Gerolsteiner, 3. Evian, 4. San Pellegrino - Asked ChatGPT "What are the best mineral water brands?": 1. Gerolsteiner, 2. Evian, 3. San Pellegrino, 4. Mountain Valley Spring Water, 5. Perrier - Asked ChatGPT "What's the best mineral water brand for everyday drinking?": 1. Gerolsteiner, 2. Mountain Valley Spring Water, 3. San Pellegrino - Searched Google, AI Overview "mineral water brands": 1. San Pellegrino, 2. Gerolsteiner, 3. Mountain Valley Spring Water, 4. Evian, 5. Perrier - Searched Google, AI Overview "sparkling water brands": 1. San Pellegrino, 2. Perrier, 3. Mountain Valley Spring Water Brands are listed in the order each answer named them. The answers were collected in the United States on October 21, 2026. ## How did search popularity change for mineral water brands worldwide in September 2026? - Estimated monthly branded searches for Gerolsteiner worldwide rose 22.3% over 12 measured months, from 74K to 90.5K in September 2026. - Estimated monthly branded searches for Mountain Valley Spring Water worldwide rose 13.9% over 12 measured months, from 88.8K to 101K in September 2026. ## Month by month | Month | Gerolsteiner estimated searches | Gerolsteiner Share of Search | Gerolsteiner rank | Mountain Valley Spring Water estimated searches | Mountain Valley Spring Water Share of Search | Mountain Valley Spring Water rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 74K | 11.9% | 5 | 88.8K | 14.3% | 4 | | Nov 2025 | 60.5K | 10.4% | 5 | 88.8K | 15.2% | 4 | | Dec 2025 | 60.5K | 6% | 5 | 88.8K | 8.7% | 4 | | Jan 2026 | 60.5K | 9.2% | 5 | 109K | 16.6% | 3 | | Feb 2026 | 60.5K | 9.3% | 5 | 105K | 16.1% | 3 | | Mar 2026 | 74K | 10.4% | 5 | 128K | 17.9% | 3 | | Apr 2026 | 90.5K | 11.8% | 4 | 132K | 17.3% | 3 | | May 2026 | 90.5K | 10.7% | 5 | 128K | 15.2% | 3 | | Jun 2026 | 90.5K | 8.2% | 5 | 105K | 9.5% | 4 | | Jul 2026 | 110K | 12.7% | 3 | 105K | 12.1% | 4 | | Aug 2026 | 110K | 13.1% | 4 | 124K | 14.7% | 3 | | Sep 2026 | 90.5K | 12.9% | 4 | 101K | 14.4% | 3 | ## How each brand is measured Brandwave collects information about searches that people make online using Gerolsteiner’s and Mountain Valley Spring Water’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. - **Gerolsteiner**: Measured on the search term “gerolsteiner”. - **Mountain Valley Spring Water**: Measured on the search terms “mountain valley spring water” and “mountain valley water”, summed into one figure. - [Gerolsteiner profile](/demand/global-en/brands/gerolsteiner) - [Mountain Valley Spring Water profile](/demand/global-en/brands/mountain-valley-spring-water) - [All mineral water brands worldwide](/demand/global-en/categories/mineral-water-brands): The set both shares are measured inside, 5 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Gerolsteiner or Mountain Valley Spring Water more popular in search? In September 2026, Mountain Valley Spring Water had more branded searches than Gerolsteiner among mineral water brands worldwide. Mountain Valley Spring Water had about 101,000 branded searches, while Gerolsteiner had 90,500. Mountain Valley Spring Water made up 14.4% of all mineral water brand searches we track, and Gerolsteiner accounted for 12.9%. ## Cite this page Brandwave. "Gerolsteiner vs Mountain Valley Spring Water: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/gerolsteiner-vs-mountain-valley-spring-water This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/gerolsteiner-vs-mountain-valley-spring-water. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.