Klaviyo vs Mailjet: Complete Comparison (2026)
Choosing between Klaviyo and Mailjet is a common decision for email marketing buyers in 2026. Both Klaviyo and Mailjet are established players, founded in 2012 and 2010 respectively. Klaviyo serves 130K+ orgs users while Mailjet has 150K+ users globally. Klaviyo differentiates with ecommerce integrations and sms marketing, while Mailjet leads with collaborative email editor and transactional api. In this head-to-head comparison, Klaviyo earns a higher hiltonsoftware.co score of 92/100 — but the right choice depends on your specific needs, budget, and team size.
Quick Comparison
Feature-by-Feature Comparison
Pros & Cons at a Glance
After comparing Klaviyo and Mailjet across features, pricing, and user satisfaction, Klaviyo takes the lead with a score of 92/100 versus Mailjet's 86/100. Klaviyo's key advantages include "best for e-commerce businesses" and "deep shopify integration". That said, Mailjet has its own strengths — particularly "real-time email collaboration" — making it a viable alternative for specific use cases.
Both Klaviyo and Mailjet offer free plans, lowering the barrier to entry. Klaviyo's paid plans start at $20/mo while Mailjet begins at $15/mo. Evaluate which paid features — Predictive analytics, Flows automation (Klaviyo) vs Segmentation, A/B testing (Mailjet) — justify upgrading for your team.
Bottom line: Choose Klaviyo if you need e-commerce brands on shopify wanting data-driven email marketing. Go with Mailjet if your priority is marketing teams needing collaborative email design with transactional delivery. Both are strong email marketing tools — we recommend trying the free plan of each before committing.
E-commerce brands on Shopify wanting data-driven email marketing.
Marketing teams needing collaborative email design with transactional delivery.