🆚 Klaviyo vs. OneSignal

Compare technologies based on real-world usage data *

Type

Marketing automation platform
Push notification platform

About

Klaviyo is a marketing automation and data platform that enables businesses to run email, SMS, mobile push, and web form campaigns using a unified customer database.

It provides real-time customer profiles with behavioral and purchase history, advanced segmentation based on hundreds of data points, and built-in AI for automated multi-channel flows, content generation, and predictive analytics such as next purchase date, churn risk, and lifetime value.

OneSignal is an omnichannel customer engagement platform that allows businesses to send push notifications, emails, SMS, in-app messages, and live updates across web and mobile.

It supports unified campaigns across channels, audience segmentation and dynamic personalization, automated workflows with visual "Journeys", A/B testing, real-time analytics, and integration via SDKs and APIs.

Headquarters

Boston, Massachusetts, United States
San Mateo, California, United States

Website

Pricing

Free version ✔️500 emails + 150 SMS credits per month
Email
(15K emails)
$45+/month
Email and SMS
(5K emails + 100 SMS credits)
$20+/month
Marketing Analytics$100+/month
Advanced Klaviyo Data Platform$500+/month
Customer Agent
(75+ AI conversations)
$50+/month
Price per SMS
USA$0.012-
Canada$0.036-
Australia$0.048-
UK$0.05-
Spain$0.06-
Italy$0.084-
Ireland$0.0903
Germany$0.1122
Free version ✔️Unlimited mobile push, max 10,000 web push subscribers per send, 10,000 free email sends per month
Growth
(20,000 email sends included)
Platform cost$19/month
Mobile Push$0.012/monthly active user
Web Push$0.004/subscriber
Email$1.50/1K sends

Categories

Marketing Automation › Rank #2
CDP › Rank #1
Email Marketing › Rank #2
Email Marketing › Rank #3
Push Notifications › Rank #1
Push Notifications › Rank #3

Popularity

Determined by the number of sites using each technology.

The Klaviyo marketing automation platform is 2.7 times more popular than OneSignal.
Total websites

Market share

Email Marketing
Push Notifications

Popularity by country

Determined by the number of sites detected from each country.

Klaviyo is more popular in the United States, the United Kingdom, and Australia, while OneSignal is more popular in India, Brazil, and Turkey.
United States
United Kingdom
Australia
Germany
France
Canada
Italy
India
Netherlands
Spain

Awards

Popularity by domain category

Determined by the number of sites in each category.

Klaviyo is more popular among sites focused on online shopping, fashion and beauty, and marketing and merchandising, while OneSignal is more commonly used on general news, blogs and wiki, and entertainment sites.
Online Shopping
Fashion/Beauty
Marketing/Merchandising
Business
General News
Blogs/Wiki
Sports
Entertainment
Internet Services
Health

Top sites

Top-ranked sites that use these technologies.

Name
Rank
View more ➝
Name
Rank
elephantb*t.co.mz
#977
#1,103
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.