Omnisend vs Klaviyo: Which ESP Fits You Best

Choosing between Omnisend and Klaviyo can be tricky. Both are top email and SMS platforms built for ecommerce growth—but they differ in how they balance power, pricing, and ease of use. This article breaks down what each platform does best so you can decide which ESP fits you and your brand.

Key differences

Omnisend is known for quick setup and simplicity. Klaviyo is known for deep analytics and advanced segmentation. Both automate core flows like welcome, cart, and winback, but each takes a different approach to how you manage and scale campaigns.

• Ease of use: Omnisend’s workflow builder is intuitive and fast; Klaviyo takes longer to learn but gives more control.
• SMS integration: Omnisend includes SMS in every plan; Klaviyo adds it separately with extra costs.
• Pricing: Omnisend is more affordable at scale; Klaviyo’s pricing climbs with list growth.
• Analytics: Klaviyo excels in predictive insights and data depth, while Omnisend focuses on actionable metrics like RPR.
• Integrations: Both connect with major ecommerce platforms; Klaviyo’s Shopify sync is stronger for enterprise-level users.

Why brands pick Omnisend

Omnisend is made for lean teams that want to move fast and get solid results without technical overhead. Its native SMS, clear reporting, and flat pricing make it great for brands focused on ease and value.

• Strengths: Simple automation, built-in SMS, affordable pricing, clean UI.
• Best for: Growing ecommerce stores that want fast results and fewer moving parts.

Why brands pick Klaviyo

Klaviyo shines for brands that want to get deep into their data. Its segmentation, predictive modeling, and flexible reporting make it ideal for teams that want to experiment, test, and optimize at scale.

• Strengths: Data depth, advanced segmentation, predictive analytics, Shopify partnership.
• Best for: Larger ecommerce brands or teams with dedicated retention or CRM specialists.

The bottom line

Omnisend delivers simplicity and value. Klaviyo delivers power and precision. If you’re starting or scaling lean, Omnisend gets you 80% of the way there with less effort. If you’re chasing granular personalization and data depth, Klaviyo is worth the investment.

Learn more

Compare both at omnisend.com and klaviyo.com. See more ESP comparisons in our Martech Tools hub and explore honest reviews in Editorial.