Apollo.io vs ZoomInfo

Compare Apollo.io and ZoomInfo for B2B sales intelligence. See pricing, data accuracy, features and integrations to choose the right platform.

Quick Verdict

Apollo.io logo

Apollo.io

4.7/5 (8400 reviews)

Apollo.io is an all-in-one AI-powered sales intelligence and engagement platform with access to 210M+ verified contacts and 30M+ companies for B2B …

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VS
ZoomInfo logo

ZoomInfo

4.6/5 (8500 reviews)

ZoomInfo is a comprehensive go-to-market intelligence platform providing access to 260M+ verified B2B contacts, AI-powered sales automation, and …

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Side-by-Side Comparison

Feature Apollo.io ZoomInfo
Rating 4.7/5 4.6/5
Reviews 8400 8500
Starter Price $0 $14,995
Pro Price $49 $24,995
Enterprise $99 $39,995
Trust Score 92/100 97/100
Verified Yes No

Apollo.io

Pros

  • Massive verified B2B contact database
  • All-in-one platform replaces multiple tools
  • Generous free tier with 100 monthly credits
  • Strong email deliverability features
  • Excellent value compared to competitors
  • Seamless CRM integrations
  • AI-powered automation saves time
  • Multichannel outreach (email, phone, tasks)

Cons

  • Credit-based system can lead to unexpected costs
  • Data accuracy varies (bounce rates reported)
  • Interface can feel cluttered for new users
  • Customer support response times inconsistent
  • Limited customization in lower tiers
  • Credit depletion at scale increases costs
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ZoomInfo

Pros

  • Largest B2B contact database with 260M+ verified profiles
  • AI-powered Copilot automates research, outreach, and CRM updates
  • 150+ #1 rankings on G2 with 8,500+ five-star reviews
  • Deep CRM integrations with Salesforce and HubSpot
  • Real-time buying signals and intent data
  • Comprehensive account intelligence and engagement history
  • Strong data accuracy with 300+ dedicated researchers
  • Enterprise-grade platform for mid-market and large teams

Cons

  • Premium pricing starting at $14,995/year—not for small businesses
  • Annual contracts with reports of 10-30% renewal increases
  • Hidden costs for exceeding credit limits or usage caps
  • Data coverage weaker outside North America
  • Pricing opacity requires sales consultation
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Key Features

Apollo.io Features

  • 210M+ contact database with 30M+ companies
  • AI-powered email sequences and automation
  • Built-in cloud call dialer
  • Email deliverability optimization
  • Data enrichment and verification
  • Chrome extension for LinkedIn
  • CRM integrations (Salesforce, HubSpot)
  • Conversation intelligence and call recording
  • Anonymous visitor identification
  • Real-time form enrichment
  • Advanced analytics dashboard
  • Team collaboration tools

ZoomInfo Features

  • 260M+ Verified Business Contacts
  • 100M+ Company Profiles
  • ZoomInfo Copilot AI Agent
  • Real-Time Buyer Intent Signals
  • Conversation Intelligence
  • CRM Lead Enrichment
  • Website Visitor Tracking
  • Automated Account Tracking
  • AI-Powered Email Generation
  • Meeting Intelligence & Summaries
  • At-Risk Deal Alerts
  • Sales Automation Workflows
  • Predictive Lead Scoring
  • Digital Advertising Integration
  • Multi-Channel Engagement

Apollo and ZoomInfo are the two giants of B2B sales intelligence. ZoomInfo is the enterprise incumbent with the largest database, while Apollo offers a more accessible price point with strong outreach features built-in.

When to Choose ZoomInfo

  • Enterprise-grade data requirements
  • Need intent data and buying signals
  • Budget isn’t a primary constraint
  • Deep Salesforce/CRM integrations required

When to Choose Apollo

  • Want sales intelligence + outreach in one platform
  • More budget-conscious teams
  • Startups and SMBs
  • Need quick time-to-value

Ready to Choose?