Brevo Marketing Platform's free tier allows up to 300 emails per day with no contract or credit card required, including email support, responsive design tools, real-time reporting, transactional emails, contact management, and API access. G2 reviewers frequently praise the free plan's generosity compared to competitors. The key limitations driving upgrades include the daily sending cap and the Brevo logo on emails. Brevo Marketing Platform's paid plans starting at $9 remove daily sending limits, while the Business tier starting at $18 adds unlimited marketing automations, phone support, send time optimization, advanced statistics, and multi-user access. The Brevo Plus tier offers enterprise-grade security, sub-account management, and tailored onboarding for large organizations.