---
title: "Customer.io vs Klaviyo: Which is more popular by branded search?"
description: "Which is more popular in search, Customer.io or Klaviyo? 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/compare/customer-io-vs-klaviyo"
publisher: "Brandwave"
---

# Customer.io vs Klaviyo: Which is more popular by branded search?

Which is more popular in search, Customer.io or Klaviyo? 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**: Aug 2026
- **Customer.io Share of Search**: 2.2%
- **Klaviyo Share of Search**: 54.7%

## Which is more popular in search, Customer.io or Klaviyo?

- In August 2026, Klaviyo had more branded searches than Customer.io among customer engagement platforms worldwide. Klaviyo was estimated to have 315K branded searches compared to Customer.io’s 12.9K, and held a 54.7% Share of Search versus Customer.io’s 2.2%.
- Klaviyo was ahead of Customer.io in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Customer.io’s estimated Share of Search among customer engagement platforms worldwide moved from 2.1% to 2.2%, and its estimated monthly branded searches moved from 13.1K to 12.9K.
- Across the 11 months ending August 2026, Klaviyo’s estimated Share of Search among customer engagement platforms worldwide moved from 51.7% to 54.7%, and its estimated monthly branded searches moved from 319K to 315K.

## How did search popularity change for customer engagement platforms worldwide in August 2026?

Neither Customer.io nor Klaviyo moved beyond provider rounding among customer engagement platforms in Aug 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 | 13.1K | 2.1% | 6 | 319K | 51.7% | 1 |
| Nov 2025 | 10.8K | 1.8% | 6 | 317K | 51.9% | 1 |
| Dec 2025 | 10.7K | 2.1% | 6 | 260K | 50.6% | 1 |
| Jan 2026 | 13.1K | 2.2% | 6 | 317K | 52.4% | 1 |
| Feb 2026 | 13.2K | 2.2% | 6 | 317K | 53.4% | 1 |
| Mar 2026 | 13.1K | 2.1% | 6 | 320K | 52.4% | 1 |
| Apr 2026 | 13.1K | 2.2% | 6 | 318K | 52.5% | 1 |
| May 2026 | 13K | 2.1% | 6 | 326K | 53% | 1 |
| Jun 2026 | 13.1K | 2.1% | 6 | 317K | 51.6% | 1 |
| Jul 2026 | 13K | 2.2% | 6 | 315K | 54.5% | 1 |
| Aug 2026 | 12.9K | 2.2% | 6 | 315K | 54.7% | 1 |
| Sep 2026 | — | — | — | — | — | — |

## 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 forms”, “customer io pricing”, “customer io push notifications”, “customer io sms”, “customer io whatsapp” and “Customer.io”, summed into one figure.
- **Klaviyo**: Measured on the search terms “klaviyo”, “klaviyo app”, “klaviyo cost”, “klaviyo crm”, “klaviyo email”, “klaviyo email marketing”, “klaviyo marketing”, “klaviyo plan”, “klaviyo pricing”, “klaviyo sms”, “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, 8 brands.

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which is more popular in search, Customer.io or Klaviyo?

In August 2026, Klaviyo had more branded searches than Customer.io among customer engagement platforms worldwide. Klaviyo was estimated to have 315K branded searches compared to Customer.io’s 12.9K, and held a 54.7% Share of Search versus Customer.io’s 2.2%.

## Cite this page

Brandwave. "Customer.io vs Klaviyo: Which is more popular by branded search?". https://gobrandwave.com/demand/global-en/compare/customer-io-vs-klaviyo

This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/customer-io-vs-klaviyo. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.