Klaviyo vs Mailchimp
The e-commerce email decision in 2026.
Klaviyo, Customer.io, ActiveCampaign — deliverability and lifecycle automation.
Marketing tools come and go. Email Marketing is one of the categories that has seen the most churn in the last 24 months. We test the leading platforms across real campaigns — not vendor demos — and publish what actually moves pipeline.
What you'll find here:
Every piece in this category has been reviewed by an editor with hands-on experience in the relevant tool or workflow. We don't publish AI-only content. We don't accept gifted hardware. We don't publish reviews of products we haven't used.
If we recommend a paid tool, the affiliate link is clearly marked with data-aff, and the recommendation is independent of payout. We've actively rejected several lucrative partnerships because the products didn't survive our internal testing.
Our test methodology is published per-review at the bottom of each comparison piece. In general:
Browse the 6 pieces in this category below. If you have a topic request or a correction, our about page has contact details.
The e-commerce email decision in 2026.
Lifecycle marketing for saas.
Marketing automation for smb.
Instantly, smartlead, lemlist — deliverability tested.
The spf/dkim/dmarc reality check.
Postmark vs sendgrid vs resend.