Constant Contact is an email marketing tool at $12–$80/month for small lists — it does not include CRM, social media, AI agents, display advertising, or marketing automation beyond basic email. Marketing Titan replaces Constant Contact and every tool a growing company adds alongside it — 180+ AI agents, full marketing platform — starting at $199/month. Best for: companies outgrowing Constant Contact and ready for a full AI-powered marketing platform.