Apollo.io combines a 275M+ contact database with AI-powered sequencing, engagement scoring, and CRM sync. Used by 160k+ companies for outbound sales.
Industry-leading contact database. Sequences + dialer + inbox all in one platform.
Feature-rich — steep learning curve initially but workflow clicks fast.
Native Salesforce, HubSpot, Gmail, Outlook sync. Zapier + API available.
Free tier with 50 email credits/mo. Paid starts $49/mo. Best value in category.
AI-powered email personalization, lead scoring, and conversation intelligence.
Extensive G2 reviews, active community, solid support and training resources.
Enterprise with SAML SSO, IP allowlisting, and custom contract terms.