--- title: "Customer.io vs Mailchimp: Which is searched more?" description: "Is Customer.io or Mailchimp more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Campaign management platforms 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/customer-io-vs-mailchimp" publisher: "Brandwave" --- # Customer.io vs Mailchimp: Which is searched more? Is Customer.io or Mailchimp more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Campaign management platforms 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**: Customer.io and Mailchimp - **Competitive set**: Campaign management platforms - **Market**: Global - **Month measured**: Sep 2026 - **Customer.io Share of Search**: 0.29% - **Mailchimp Share of Search**: 29.4% ## Is Customer.io or Mailchimp more popular in search? - In September 2026, Mailchimp had more branded searches than Customer.io among campaign management platforms worldwide. Mailchimp had about 1.2 million branded searches, while Customer.io had 12,300. Mailchimp made up 29.4% of all campaign management platform searches we track, and Customer.io accounted for 0.29%. - Mailchimp was ahead of Customer.io in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Customer.io’s share of searches among campaign management platforms worldwide moved from 0.25% to 0.29%, and its estimated monthly branded searches held steady at 12.3K. - Across the 12 months ending September 2026, Mailchimp’s share of searches among campaign management platforms worldwide moved from 30% to 29.4%, and its estimated monthly branded searches moved from 1.5M to 1.2M. ## Top campaign management platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Mailchimp was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Customer.io did not appear in any of the 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 | | --- | --- | --- | --- | --- | | HubSpot | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | ActiveCampaign | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | Mailchimp | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | Asana | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Klaviyo | 5th | 2 of 3 | 2 of 2 | 4 of 5 | | Adobe Marketo Engage | 6th | 3 of 3 | 0 of 2 | 3 of 5 | | Customer.io | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Pardot | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about campaign management platforms - Asked ChatGPT "Which campaign management platform should I use?": 1. HubSpot, 2. ActiveCampaign, 3. Mailchimp, 4. Klaviyo, 5. Adobe Marketo Engage - Asked ChatGPT "What are the best campaign management platforms?": 1. HubSpot, 2. ActiveCampaign, 3. Adobe Marketo Engage, 4. Mailchimp, 5. Klaviyo, 6. Asana - Asked ChatGPT "What's the best campaign management platform for marketing teams?": 1. HubSpot, 2. Asana, 3. ActiveCampaign, 4. Adobe Marketo Engage - Searched Google, AI Overview "campaign management platforms": 1. HubSpot, 2. ActiveCampaign, 3. Asana, 4. Klaviyo - Searched Google, AI Overview "marketing campaign software": 1. ActiveCampaign, 2. HubSpot, 3. Mailchimp, 4. Klaviyo Not named in any answer: Customer.io and Pardot. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for campaign management platforms worldwide in September 2026? - In September 2026, Mailchimp overtook Asana to rank 2nd among campaign management platforms worldwide, with 29.4% of the searches. ## Month by month | Month | Customer.io estimated searches | Customer.io Share of Search | Customer.io rank | Mailchimp estimated searches | Mailchimp Share of Search | Mailchimp rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 12.3K | 0.25% | 7 | 1.5M | 30% | 3 | | Nov 2025 | 10.1K | 0.24% | 7 | 1.5M | 35.8% | 1 | | Dec 2025 | 10.1K | 0.28% | 7 | 1.2M | 33.9% | 1 | | Jan 2026 | 12.3K | 0.26% | 7 | 1.5M | 32% | 2 | | Feb 2026 | 12.4K | 0.32% | 7 | 1.2M | 31.2% | 2 | | Mar 2026 | 12.4K | 0.26% | 7 | 1.5M | 31.9% | 2 | | Apr 2026 | 12.3K | 0.29% | 7 | 1.2M | 29.3% | 2 | | May 2026 | 12.3K | 0.32% | 6 | 1.2M | 31.4% | 2 | | Jun 2026 | 12.3K | 0.29% | 6 | 1.2M | 29.3% | 2 | | Jul 2026 | 12.3K | 0.33% | 6 | 1M | 27.5% | 3 | | Aug 2026 | 12.3K | 0.34% | 6 | 1M | 27.5% | 3 | | Sep 2026 | 12.3K | 0.29% | 6 | 1.2M | 29.4% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using Customer.io’s and Mailchimp’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. - **Customer.io**: Measured on the search terms “customer io”, “customer io crm”, “customer io email”, “customer io sms”, “customer io whatsapp” and “Customer.io”, summed into one figure. - **Mailchimp**: Measured on the search terms “email marketing mailchimp”, “intuit mailchimp”, “Mailchimp”, “mailchimp app”, “mailchimp email templates”, “mailchimp template” and “mailchimp templates”, summed into one figure. - [Customer.io profile](/demand/global-en/brands/customer-io) - [Mailchimp profile](/demand/global-en/brands/mailchimp) - [All campaign management platforms worldwide](/demand/global-en/categories/campaign-management-platforms): The set both shares are measured inside, 8 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 Customer.io or Mailchimp more popular in search? In September 2026, Mailchimp had more branded searches than Customer.io among campaign management platforms worldwide. Mailchimp had about 1.2 million branded searches, while Customer.io had 12,300. Mailchimp made up 29.4% of all campaign management platform searches we track, and Customer.io accounted for 0.29%. ## Cite this page Brandwave. "Customer.io vs Mailchimp: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/customer-io-vs-mailchimp This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/customer-io-vs-mailchimp. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.