Apollo

Apollo.io is a web-based AI sales platform for B2B sales teams, RevOps, founders, and marketers that supports prospecting, lead generation, and deal execution from a single workspace.

Key capabilities include:

• B2B prospecting and data enrichment using a large contact and company database (reported as 270M+ contacts in the research brief), plus advanced filters such as technographics, job postings, intent topics, and funding signals
• AI assistance for sales tasks such as email composition, prospect research, and lead scoring, plus automation “power-ups” to reduce manual work
• Sales engagement and automation with unlimited sequences, A/B and A/Z testing, automated workflows, email tracking (opens, clicks, replies), meeting scheduling, and analytics
• Calling and conversation insights with dialers (including US, international, and power/parallel dialing), call recording, and AI-generated insights

Pricing: Freemium. Free plan includes limited credits; paid tiers include Basic, Professional, and Organization plans (pricing varies by billing cycle). Additional AI Agents start at $10,000/year.

Notable for combining prospecting data, engagement sequencing, dialer, enrichment, and CRM integrations (plus a Chrome extension and API) to cover outbound, inbound, and sales execution workflows in one platform.