G2 reviewers rate Mergo at 4.5/5 overall, signaling strong satisfaction relative to cost. At $8.99/month, one small business reviewer called it expensive yet continued using it, suggesting perceived value outweighs price friction. High-volume users particularly endorse Mergo's pricing of Google Workspace mail merge, citing 98%+ deliverability rates and built-in tracking as differentiators versus alternatives like Convertkit, Mailerlite, Getresponse, and SendPulse mentioned in G2 reviews. One negative review flags declining open rates and an ignored refund request, introducing a reliability caveat. For teams sending under 1,500 emails daily within Google Workspace, G2 reviewers of Mergo broadly consider the pricing reasonable given the time savings and campaign tracking included.