--- title: "Customer.io vs Klaviyo: Which is searched more?" description: "Is Customer.io or Klaviyo more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Customer engagement 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/categories/customer-engagement-platforms/compare/customer-io-vs-klaviyo" publisher: "Brandwave" --- # Customer.io vs Klaviyo: Which is searched more? Is Customer.io or Klaviyo more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Customer engagement 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 Klaviyo - **Competitive set**: Customer engagement platforms - **Market**: Global - **Month measured**: Sep 2026 - **Customer.io Share of Search**: 2.9% - **Klaviyo Share of Search**: 71.4% ## Is Customer.io or Klaviyo more popular in search? - In September 2026, Klaviyo had more branded searches than Customer.io among customer engagement platforms worldwide. Klaviyo had about 306,000 branded searches, while Customer.io had 12,300. Klaviyo made up 71.4% of all customer engagement platform searches we track, and Customer.io accounted for 2.9%. - Klaviyo 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 customer engagement platforms worldwide moved from 2.8% to 2.9%, and its estimated monthly branded searches held steady at 12.3K. - Across the 12 months ending September 2026, Klaviyo’s share of searches among customer engagement platforms worldwide moved from 69.7% to 71.4%, and its estimated monthly branded searches moved from 308K to 306K. ## Top customer engagement platforms in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Klaviyo 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 was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews. Klaviyo was listed before Customer.io in two out of three answers that named either. 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 | | --- | --- | --- | --- | --- | | Braze | 1st | 3 of 3 | 1 of 2 | 4 of 5 | | Intercom | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Klaviyo | 3rd | 2 of 3 | 1 of 2 | 3 of 5 | | Customer.io | 4th | 1 of 3 | 1 of 2 | 2 of 5 | | OneSignal | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | CleverTap | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | MoEngage | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Airship | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Iterable | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | | Insider | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about customer engagement platforms - Asked ChatGPT "Which customer engagement platform should I use?": 1. Klaviyo, 2. Braze, 3. Intercom - Asked ChatGPT "What are the best customer engagement platforms?": 1. Braze, 2. Intercom, 3. Customer.io, 4. Klaviyo - Asked ChatGPT "What's the best customer engagement platform for multichannel messaging?": 1. Braze, 2. Intercom - Searched Google, AI Overview "customer engagement platform": 1. Braze, 2. Intercom, 3. Klaviyo, 4. Customer.io - Searched Google, AI Overview "customer communication software": named none of the brands we track Not named in any answer: OneSignal, CleverTap, MoEngage, Airship, Iterable and Insider. 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 customer engagement platforms worldwide in September 2026? Neither Customer.io nor Klaviyo moved beyond provider rounding among customer engagement platforms in Sep 2026. ## Month by month | Month | Customer.io estimated searches | Customer.io Share of Search | Customer.io rank | Klaviyo estimated searches | Klaviyo Share of Search | Klaviyo rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 12.3K | 2.8% | 5 | 308K | 69.7% | 1 | | Nov 2025 | 10.1K | 2.3% | 5 | 307K | 70.3% | 1 | | Dec 2025 | 10.1K | 2.8% | 5 | 251K | 68.6% | 1 | | Jan 2026 | 12.3K | 2.8% | 5 | 307K | 70.4% | 1 | | Feb 2026 | 12.4K | 2.9% | 5 | 307K | 72.3% | 1 | | Mar 2026 | 12.4K | 2.8% | 5 | 308K | 70.3% | 1 | | Apr 2026 | 12.3K | 2.8% | 5 | 309K | 70.6% | 1 | | May 2026 | 12.3K | 2.8% | 5 | 316K | 71.1% | 1 | | Jun 2026 | 12.3K | 2.8% | 5 | 308K | 69.9% | 1 | | Jul 2026 | 12.3K | 2.9% | 5 | 306K | 71.4% | 1 | | Aug 2026 | 12.3K | 2.9% | 5 | 306K | 71.5% | 1 | | Sep 2026 | 12.3K | 2.9% | 5 | 306K | 71.4% | 1 | ## How each brand is measured Brandwave collects information about searches that people make online using Customer.io’s and Klaviyo’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. - **Klaviyo**: Measured on the search terms “klaviyo”, “klaviyo app”, “klaviyo crm”, “klaviyo email marketing”, “klaviyo marketing”, “klaviyo whatsapp” and “klaviyocom”, summed into one figure. - [Customer.io profile](/demand/global-en/brands/customer-io) - [Klaviyo profile](/demand/global-en/brands/klaviyo) - [All customer engagement platforms worldwide](/demand/global-en/categories/customer-engagement-platforms): The set both shares are measured inside, 10 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 Klaviyo more popular in search? In September 2026, Klaviyo had more branded searches than Customer.io among customer engagement platforms worldwide. Klaviyo had about 306,000 branded searches, while Customer.io had 12,300. Klaviyo made up 71.4% of all customer engagement platform searches we track, and Customer.io accounted for 2.9%. ## Cite this page Brandwave. "Customer.io vs Klaviyo: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/customer-engagement-platforms/compare/customer-io-vs-klaviyo This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/customer-engagement-platforms/compare/customer-io-vs-klaviyo. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.