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
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
- 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
- The Free plan is limited to 500 emails per month and a maximum of 250 unique contacts for campaign sending
- Standard email volume scales with contact count rather than offering unlimited email sends
- For subscriptions started on or after May 4, 2026, SMS sending requires the Pro plan and separate volume-based SMS credits
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
- The Free plan is capped at 250 active profiles and 500 email sends per month; exceeding those limits can pause sending until the account upgrades or the billing cycle resets.
- Free-plan email support is available only for the first 60 days; after that, support is primarily self-service through Klaviyo's Help Center, Academy, and Community.
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. Compared with Klaviyo specifically, Omnisend also offers 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, and 3 more features that Klaviyo doesn't list.
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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. Compared with Omnisend specifically, Klaviyo also offers 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), and 3 more features that Omnisend doesn't list.
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.
Omnisend sources
Last verified August 24, 2026
- https://www.omnisend.com/
- https://www.omnisend.com/features/
- https://www.omnisend.com/features/automation/
- https://support.omnisend.com/en/articles/3533018-omnisend-pricing-plans-2026
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