1
FluentCRM Paid version Solo/Blogger
Subject-line A/B (split) testing for campaigns is a Pro feature.
91feature score
WordPress Email Marketing & Newsletter Plugins with A/B testing
Test subject lines or content variations. 3 of the 8 plugins we track include it.
2
Groundhogg Paid version Basic
Split (A/B) testing is included from the Basic plan.
97feature score
3
Brevo Paid version Standard
A/B testing is excluded from Free and Starter and included from Standard.
80feature score