Apollo.io

AI sales platform combining 210M+ contacts, prospecting, dialer, sequences, and intent — built for fast-growing outbound teams.

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About Apollo.io

Apollo.io is the AI sales platform that bundles a 210M-contact B2B database, AI-powered prospecting, email sequences, dialer, and meeting scheduler into one stack. Filter leads by job title, company size, industry, technologies, and buying intent, then push them into automated multichannel sequences. Apollo’s AI Assistant scores prospects against your win/loss history and is currently free on Basic, Professional, and Organization plans. Pricing runs from a Free tier up to $149/user/mo (Organization), with Enterprise on quote.

Key Features

210M+ contact and 30M+ company database
AI prospect scoring based on your win/loss history
Buying intent signals from 14,000+ topics
Multichannel sequences (email, LinkedIn, calls, tasks)
Built-in dialer with call recording and transcription
Meeting scheduler and inbox unification
Salesforce and HubSpot CRM sync
Generous free tier with 10K email credits

Use Cases

Build targeted prospect lists from a 210M-contact database
Run multichannel outbound sequences at scale
Score and prioritize leads using AI
Track buying intent across thousands of topics
Replace separate prospecting + sequencer + dialer tools
Push enriched contacts and tasks into Salesforce or HubSpot

Pros & Cons

Pros

  • Best price-to-feature ratio in the sales-tech market
  • Unified prospecting + engagement + dialer in one tool
  • AI Assistant included free on paid plans (intro offer)
  • Generous free tier covers solo SDRs

Cons

  • Phone number accuracy lower than dedicated dialers
  • Credit system is opaque and easy to burn through
  • Some advanced LinkedIn automation is limited
  • Data accuracy occasionally lags Cognism / ZoomInfo