Omnisend vs Klaviyo

Omnisend and Klaviyo are both marketing options. Omnisend lists 6 features across 1 platform; Klaviyo lists 6 features across 1 platform — see the full breakdown below, sourced from each vendor's own site rather than ratings or reviews.

Side-by-side summary

ComparingOmnisendKlaviyo

CategoryMarketingMarketing

Alternatives tracked42

PlatformsWebWeb

Pricing modelfreemiumNot yet documented

Best for Omnisend

Ecommerce brands that want email marketing, behavior-based automation, store data, segmentation, and multi-channel messaging in one platform.

Best for Klaviyo

Positioned for consumer/B2C brands, especially e-commerce retailers, plus enterprise brands, restaurants, and wellness companies wanting to consolidate a fragmented marketing tech stack.

Feature comparison

Every feature listed here comes directly from each vendor's own official site.

Omnisend

Drag-and-drop ecommerce email campaigns with product and discount blocks
Automation workflows for welcome, abandoned cart, browse abandonment, post-purchase, and win-back journeys
Behavior- and purchase-based dynamic segmentation with AI-assisted audience building
Email, SMS, and web push channels available across Omnisend's marketing toolkit
Forms, pop-ups, flyouts, and landing pages for subscriber acquisition
Revenue attribution and campaign, automation, deliverability, and channel performance reporting

Klaviyo

Composer: AI agent that audits and generates on-brand campaigns/flows from prompts
Customer Agent: AI customer service that autonomously resolves a majority of inquiries
Omnichannel marketing (email, SMS, RCS, WhatsApp, mobile push, social)
Klaviyo Data Platform for unified customer profiles/events
Real-time marketing analytics and omnichannel attribution
Customer Hub & Helpdesk for self-service support

Pros and cons

Omnisend

Pros

Drag-and-drop ecommerce email campaigns with product and discount blocks
Automation workflows for welcome, abandoned cart, browse abandonment, post-purchase, and win-back journeys
Behavior- and purchase-based dynamic segmentation with AI-assisted audience building
Email, SMS, and web push channels available across Omnisend's marketing toolkit
Forms, pop-ups, flyouts, and landing pages for subscriber acquisition
Revenue attribution and campaign, automation, deliverability, and channel performance reporting

Cons

We don't publish a "cons" list for either product. No vendor's official site documents its own product's weaknesses, so there's no sourced basis for one — and we'd rather say that plainly than invent one.

Klaviyo

Pros

Composer: AI agent that audits and generates on-brand campaigns/flows from prompts
Customer Agent: AI customer service that autonomously resolves a majority of inquiries
Omnichannel marketing (email, SMS, RCS, WhatsApp, mobile push, social)
Klaviyo Data Platform for unified customer profiles/events
Real-time marketing analytics and omnichannel attribution
Customer Hub & Helpdesk for self-service support

Cons

Key differences

Omnisend lists Drag-and-drop ecommerce email campaigns with product and discount blocks, Automation workflows for welcome, abandoned cart, browse abandonment, post-purchase, and win-back journeys, Behavior- and purchase-based dynamic segmentation with AI-assisted audience building, Email, SMS, and web push channels available across Omnisend's marketing toolkit, Forms, pop-ups, flyouts, and landing pages for subscriber acquisition, Revenue attribution and campaign, automation, deliverability, and channel performance reporting that Klaviyo doesn't list.
Klaviyo lists Composer: AI agent that audits and generates on-brand campaigns/flows from prompts, Customer Agent: AI customer service that autonomously resolves a majority of inquiries, Omnichannel marketing (email, SMS, RCS, WhatsApp, mobile push, social), Klaviyo Data Platform for unified customer profiles/events, Real-time marketing analytics and omnichannel attribution, Customer Hub & Helpdesk for self-service support that Omnisend doesn't list.

Choose Omnisend if…

Choose Omnisend if this fits: Ecommerce brands that want email marketing, behavior-based automation, store data, segmentation, and multi-channel messaging in one platform.

Visit Omnisend

This is an affiliate link. See our Affiliate Disclosure.

Choose Klaviyo if…

Choose Klaviyo if this fits: Positioned for consumer/B2C brands, especially e-commerce retailers, plus enterprise brands, restaurants, and wellness companies wanting to consolidate a fragmented marketing tech stack.

Visit Klaviyo

Facts on this page are sourced from each vendor's official site (linked below), not from ratings or reviews. Products change — verify anything that matters to your decision directly on the vendor's own site before switching. See our Disclaimer and Sources Policy.