Klaviyo vs Systeme.io
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Klaviyo vs Systeme.io — Which Should You Use for Shopify?

For most Shopify stores under 2,000 active email contacts, Systeme.io is the better choice — it costs $0 versus Klaviyo's $150–$400/month, and covers every core email automation use case including abandoned cart, welcome sequences, post-purchase flows, and broadcast campaigns.

Klaviyo's February 2025 billing change means stores now pay based on all active profiles — including subscribers who haven't been emailed recently. This significantly increased effective costs for stores with large but partially inactive lists. Systeme.io charges based on actual active contacts and never charges per-send.

Klaviyo retains an advantage for stores using advanced predictive segmentation, SMS marketing, or deep Shopify revenue attribution per campaign. If those specific features drive your email strategy, Klaviyo is justified. If your goal is running high-performing automation flows at zero cost, Systeme.io is the clear winner.

Klaviyo vs Systeme.io — Our Recommendation

Switch to Systeme.io if: You are paying Klaviyo $150+/month and your primary use is welcome sequences, abandoned cart, and post-purchase emails. You are under 2,000 active contacts or want to reduce your list to that level. You want to eliminate a recurring expense that offers diminishing returns after core flows are set up.

Stay on Klaviyo if: You actively use predictive LTV analytics for campaign decisions, run SMS alongside email from the same platform, or rely on Klaviyo's revenue attribution reports to justify marketing spend to stakeholders.