Top 16 Klaviyo Alternatives Put to the Test – #1 Revealed
Campaign Monitor
MAY 30, 2025
While Klaviyo offers decent tools for e-commerce-specific email marketing, online reviews frequently mention struggles with deliverability and support issues. 5 (900+ reviews) SendGrid Developer-focused Industry-leading API & deliverability Free (paid from $19.5/month) Free plan; pricing starts at $12 USD/month 4.7/5
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