ZoomInfo vs Apollo.io

Independent comparison — features, pros, cons, pricing and rankings.

Select Tools to Compare
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ZoomInfo
★ 5.6/10
Freemium
Try Tool
⭐ Top Pick
Apollo.io
★ 6.6/10
Freemium
Try Tool
Which One Should You Choose?

Who each tool serves best — and when to pick the other one.

ZoomInfo
✓ Extensive and accurate B2B contact data ✓ Strong CRM integration capabilities ✓ Comprehensive company profiles ✓ Scalable for mid-market and enterprise ✗ Limited features on free plan ✗ Pricing can be expensive for small teams
Who should choose ZoomInfo?

Sales and marketing teams in mid-market or enterprise companies needing accurate B2B contact data for prospecting and CRM enrichment.

  • You need detailed and verified B2B contact and company information for sales outreach.
  • You want to enrich your CRM with accurate prospect data to improve targeting.
  • Your team requires scalable lead generation tools integrated with sales workflows.
Who should avoid ZoomInfo?

Small businesses or freelancers with limited budgets who require extensive free features or simple contact lists.

  • You need a fully free tool with extensive features and no usage limits.
  • Free-tier limits are a blocker for your prospecting volume or data needs.
  • You require a simple contact list without advanced data enrichment or insights.
Key decision factor

The accuracy and comprehensiveness of B2B contact and company data.

Apollo.io
✓ Extensive and up-to-date contact database ✓ Powerful outreach automation and sequencing ✓ Good integration options with sales tools ✗ Data accuracy can vary by region ✗ Interface may be overwhelming for new users
Who should choose Apollo.io?

Sales and marketing teams needing a comprehensive platform for lead generation, prospecting, and outreach automation.

  • You need a large, searchable database of business contacts and companies.
  • You want to automate outreach sequences and track engagement metrics.
  • Your team requires integration with common sales and marketing tools.
Who should avoid Apollo.io?

Organizations requiring highly specialized CRM features or those with limited budgets that cannot accommodate paid plans.

  • You need a full-featured CRM with deep customization and pipeline management.
  • Free-tier limits are a blocker for your lead generation volume needs.
  • You require guaranteed 100% data accuracy and real-time updates.
Key decision factor

The breadth and accuracy of its contact database combined with automation capabilities.

Core Capabilities

A canonical comparison across capabilities common to this category. Vendor-specific extras appear below in "Highlighted Features".

Capability comparison: ZoomInfo vs Apollo.io
Capability ZoomInfoApollo.io
Free Tier Available
Usable without payment (with usage limits)
Feature Comparison
Feature comparison: ZoomInfo vs Apollo.io
Feature ZoomInfoApollo.io
Contact Database Access to millions of verified B2B contacts Access to millions of business contacts and companies
Highlighted Features

Each tool's marketing-listed features. Where a feature appears under one tool but not the other, it usually reflects how the vendor describes their product — not a definitive capability gap.

✦ ZoomInfo highlights
  • Company Profiles — Detailed company information and insights
  • CRM Integration — Sync data with popular CRM platforms
  • Intent Data — Identify prospects showing buying signals
  • Advanced Search — Filter leads by multiple criteria
✦ Apollo.io highlights
  • Email Sequencing — Automate multi-step outreach campaigns
  • Advanced Filtering — Filter contacts by firmographics, technographics, and behavior
  • Integrations — Connect with CRMs and marketing tools
  • Analytics Reporting — Track campaign performance and engagement metrics
Pros
👍 ZoomInfo
  • Comprehensive and accurate B2B data
  • Strong CRM and sales tool integrations
  • Regularly updated and verified contacts
  • User-friendly interface for prospecting
  • Scalable for large sales teams
👍 Apollo.io
  • Large, frequently updated contact database
  • Robust email sequencing and automation
  • Integrates with popular sales and marketing tools
  • User-friendly interface for experienced users
  • Detailed analytics and reporting
Cons
👎 ZoomInfo
  • Free plan is very limited in features and data access
  • Pricing is not transparent and can be costly for small businesses
👎 Apollo.io
  • Data accuracy varies by geography and industry
  • Steep learning curve for new users
  • No public API for custom integrations
Capabilities
ZoomInfo
Data extraction Search
Apollo.io
Memory Search Tool Calling Workflow Automation
Best Use Cases
ZoomInfo
  • B2B lead generation
  • Sales prospecting
  • CRM data enrichment
  • Market research
  • Account-based marketing
Apollo.io
  • Lead generation for B2B sales teams
  • Automated email outreach campaigns
  • Market research and prospect profiling
  • Sales pipeline acceleration
  • Data enrichment for CRM systems
Integrations
Platforms

Where each tool runs — web, mobile, desktop, browser extension, API.

ZoomInfo 1
Apollo.io 1
Supported Languages

Natural languages each tool generates and understands. Primary languages are listed first.

ZoomInfo 1
English
Apollo.io 1
English
Input & Output Modalities

What each tool can accept (input) and produce (output) — text, image, audio, video, code.

ZoomInfo
Input
text
Output
text
Apollo.io
Input
text
Output
text
Pricing Plans
ZoomInfo

ZoomInfo offers a free tier with limited access and paid plans that scale based on data volume and features, typically suited for mid-market and enterprise customers.

  • Free
    Free
Apollo.io

Offers a free plan with limited features and paid subscriptions that unlock advanced data access and automation capabilities.

  • Free
    Free
  • Basic popular
    $39.00/mo
  • Professional
    $79.00/mo
Compliance Standards

Regulatory frameworks each tool claims compliance with (HIPAA, SOC 2, GDPR, etc.).

ZoomInfo 1
🛡 GDPR
Apollo.io 1
🛡 GDPR
Security Certifications

Third-party audits and certifications that verify security controls.

ZoomInfo 0

No certifications listed.

Apollo.io 3
🔒 GDPR 🔒 ISO 27001 🔒 SOC 2 Type II
Value Metrics

Vendor-published numbers each tool highlights — usage scale, breadth, and operational stats. Different tools track different metrics, so direct row-by-row comparison usually isn't meaningful.

ZoomInfo
  • Database Size 100M+ contacts
Apollo.io
  • Contacts Available 200M+ contacts
  • Email Deliverability High
Target Audience

Who each tool is positioned for — primary audience first.

ZoomInfo
Sales / Revenue Marketer Product Manager
Apollo.io
Sales / Revenue Marketer Product Manager
Support Channels

How you can reach support — email, live chat, phone, community, docs.

ZoomInfo
  • Email primary
Apollo.io
  • Email primary
Tags & Classification

How each tool is classified in the Volvenix catalog.

ZoomInfo
Coming Soon — Additional Comparison Dimensions

These vocabulary domains are managed in our catalog but not yet exposed at the tool level. We're tracking them for future expansion of this comparison.

  • Encryption Types — AES-256, ChaCha20, RSA-2048, and similar at-rest/in-transit cipher families.
  • Encryption Contexts — where encryption is applied (data at rest, in transit, end-to-end).
  • Plan-tier Model Mapping — which AI models are available on which pricing tier (currently only the model list is tracked, not the per-plan availability).
Screenshots & Demos
ZoomInfo

No screenshots uploaded yet.

Apollo.io
Frequently Asked Questions
ZoomInfo
What is this tool?
ZoomInfo is a platform providing detailed B2B contact and company data for sales and marketing teams.
How much does it cost?
ZoomInfo offers a free tier with limited features; paid plans vary and are typically priced for mid-market and enterprise users.
Does it have a free plan?
Yes, ZoomInfo offers a free plan with limited access to contact data and basic search features.
What integrations does it support?
ZoomInfo integrates with major CRM platforms and sales tools, though specifics depend on the paid plan.
Who is it best for?
It is best suited for sales and marketing teams in mid-market to enterprise companies needing accurate B2B data.
Apollo.io
What is this tool?
Apollo.io is a sales engagement platform offering a large contact database and outreach automation for sales and marketing teams.
How much does it cost?
Apollo.io offers a free plan with limited features and paid subscriptions starting around $39 per month.
Does it have a free plan?
Yes, Apollo.io provides a free plan with basic access to contacts and outreach tools.
What integrations does it support?
Apollo.io integrates with popular CRMs and marketing platforms, though no public API is available.
Who is it best for?
It is best suited for sales and marketing teams needing comprehensive lead generation and outreach automation.
Quick Facts
General information comparison: ZoomInfo vs Apollo.io
Info ZoomInfoApollo.io
Pricing Freemium Freemium
Category Sales AI Sales AI
Deployment Cloud Cloud
Learning Curve Intermediate Intermediate
Free Plan
AI Agent
Autonomy Assistant Assistant
Risk Tier Medium Medium
ⓘ How Volvenix scores work

Scores are computed by Volvenix — not supplied by the vendors, and not third-party benchmark results. Each 0–10 dimension (Overall, Features, Usability, Support, Pricing) is a directional estimate aggregated from catalog signals — editorial cataloguing, content depth, engagement, and provider-reputation indicators — so treat them as a starting point, not a lab result.

Confidence reflects how complete the underlying data is for both tools; lower confidence means fewer signals were available, not a worse tool. We never accept payment for rankings or scores. More about how Volvenix works →