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Klaviyo vs Systeme.io Comparison (2026)

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Klaviyo

Systeme.io

Overview

Klaviyo is the all-in-one platform built to help B2C companies grow by integrating email/ SMS marketing, full-funnel analytics, and service in one solution. Powered by customer data and built-in AI, Klaviyo makes it easy to scale marketing automation and personalization across all your channels.

Systeme.io is an all-in-one marketing platform designed for launching and growing online businesses. The platform combines essential tools including sales funnel building, email marketing, website creation, course hosting, and affiliate program management into a single integrated system. Users can access comprehensive marketing automation features without needing multiple separate subscriptions.

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Platforms supported

Web-based
iPhone app
Android app
Windows Phone app

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Customer support

Phone
Online
Knowledge base
Video tutorials

view more detailsview details

Video & Screenshots

No videos yet

Pricing

Starting from

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

Starting from

Per month

Free trial available
Credit cardless trial
Free account
Subscription based

User reviews

4.6

540

384

128

Value for money

Ease of use

Features

Customer support

78%

would recommend this app

4.8

2.1K

1.8K

286

Value for money

Ease of use

Features

Customer support

94%

would recommend this app

Pros

“Seamless E-Commerce Integrations: Native, real-time sync with platforms like Shopify, WooCommerce, and Magento imports full transactional, browsing, and cart data without complex API setups.”

Gary A.

Founder CEO

“It can be super granular, you can connect it to Facebook for creating custom audiences, it tracks everything from customer purchase frequency to when they are active on site, etc.”

Cody A.

President

“As a Klaviyo certified professional, I don't just see it as an email tool, but as a sophisticated engine for driving ROI. Whether it was setting up advanced influence-driven campaigns or optimizing high-volume e-commerce retail flows, the platform’s ability to handle intricate segmentation and real-time triggers has allowed me to deliver measurable growth for diverse international clients”

Marc G.

Digital and Marketing senior specialist

Pros

“Excellence....their All-in-One Platform – Systeme.io simplifies online business by integrating everything in one place for me—funnels, email marketing, automation, courses, and more—saving time and reducing the need for multiple tools.”

Olajide O.

Content Creator

“I can practically do everything i want with this platform, from courses, to funnels, to websites, to email marketing and webinars on demand - also affiliate programs.”

Alexandros K.

Personal Development, Spiritual Mentor

“The different options and functionalities of the software, building funnels, video storage on site, the price point, and the excellent service if there is an issue (usually user error/not looking in the right place).”

Elsewine R.

Trainer

Cons

“Klaviyo is significantly more expensive than standard newsletter platforms like Mailchimp or Brevo. Because billing is based on total active profiles in your account (rather than just people you email), unengaged subscribers still drive up monthly costs unless you rigorously clean your list. ”

Gary A.

Founder CEO

“The template editor sometimes gets finicky when I'm trying to match our brand colors exactly, I'll adjust a shade and it doesn't always save the first time.”

Ana N.

Founder

“The SMS feature feels tacked on compared to email, limited functionality and costs add up quick.”

Pritam P.

Early Childhood Educator

Cons

“I was looking for a platform to sell and host my courses, but Systeme io didn’t meet all my expectations.”

Lindsay B.

Social Media Manager

“I tend to struggle with formatting as well as the differences between mobile and desktop views when creating pages.”

Victoria C.

Principle Coach

“They kept the money and did not complete the migration 2 months later! And oh.....did they have excuses to serve?! Because I was briefly unavailable in May (wedding and honey moon), they just canceled my migration altogether—as if 5 months of waiting meant nothing. When I reminded them I'm still waiting, they took one more month to even resume the work.”

Teya B.

Business Owner