Comparison

Apollo.io vs ZoomInfo

On the evidence we track, Apollo.io leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Apollo.io67
ZoomInfo60
Score
vioscaleAI score
Apollo.io67 / 100medium · 70%
ZoomInfo60 / 100medium · 70%
Pricing
Free tier
Apollo.io✓
ZoomInfo✓
Model
Apollo.iofreemium
ZoomInfofreemium
Price level
Apollo.iolow
ZoomInfolow
Transparent
Apollo.io✗
ZoomInfo✗
Integrations
Count
Apollo.io11
ZoomInfo120
Security
Disclosure policy
Apollo.io✓
ZoomInfo–
Gdpr
Apollo.io✓
ZoomInfo✓
Iso27001
Apollo.io✓
ZoomInfo✓
Soc2
Apollo.io✓
ZoomInfo✓
Reliability
Sla pct
Apollo.io99.9
ZoomInfo–
Status page
Apollo.io✓
ZoomInfo✓
Market
Content
Faq
Apollo.io6 items
ZoomInfo7 items

Capabilities

Feature-by-feature on the axes that matter for sales software. “-” means undocumented, not absent.

Core
Sub-type
Apollo.ioSales intelligence / data
ZoomInfoSales intelligence / data
Pricing
Pricing transparency
Apollo.ioPartial
ZoomInfoContact-sales only
Free tier / trial
Apollo.io✓
ZoomInfo✓
Pricing model
Apollo.ioHybrid
ZoomInfoCredit / lookup-based
CRM
Native Salesforce sync
Apollo.io✓
ZoomInfo✓
Native HubSpot sync
Apollo.io✓
ZoomInfo✓
Engagement
Multichannel sequences (email + call + LinkedIn)
Apollo.io✓
ZoomInfo✓
Dialer / native calling
Apollo.ioNone
ZoomInfo-
Intelligence
Conversation intelligence / call recording
Apollo.io✓
ZoomInfo✓
AI deal / forecast intelligence
Apollo.io✓
ZoomInfo✓
Data
B2B contact / company database included
Apollo.io✓
ZoomInfo✓
Intent data
Apollo.io✓
ZoomInfo✓
Deal
E-signature / CPQ / quoting
Apollo.io✗
ZoomInfo✗
Deployment
EU / regional data residency
Apollo.io✗
ZoomInfo-

What each one is

The product in its own terms, so the numbers below have context.

Apollo.io

Leader

A connected system that consolidates prospect and account data from multiple sources and uses AI agents to automate the full prospecting workflow, from research and list building through outreach sequences and meeting scheduling.

Independently observed

ZoomInfo

A B2B sales intelligence platform that combines AI with firmographic, technographic, and intent data to help teams identify prospects, enrich contact records, and automate lead routing and follow-up workflows.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Apollo.io

Leader
SubscriptionFree tier
  • FreeFree
  • Basic-
  • Professional-
  • CustomContact sales
as of verify ↗

ZoomInfo

Usage-basedFree tier

Free tier available. Usage-based credits model with no fixed seat pricing.

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Apollo.io✓
ZoomInfo✓
iOS
Apollo.io✗
ZoomInfo✓
Android
Apollo.io✗
ZoomInfo✓
CLI
Apollo.io✓
ZoomInfo✗
Deployment
Cloud / SaaS
Apollo.io✓
ZoomInfo✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (7)
  • Salesforce
  • HubSpot
  • Outreach
  • SalesLoft
  • Marketo
  • ChatGPT
  • Claude

Apollo.io

Leader
12 total - 5 not shared
  • Sendgrid
  • LinkedIn
  • Gmail
  • Microsoft Office
  • MCP (Model Context Protocol)
Independently observed

ZoomInfo

16 total - 9 not shared
  • Eloqua
  • Sugar
  • Zoho
  • Dynamics
  • Slack
  • Teams
  • CRM
  • Microsoft Dynamics 365
  • Snowflake
Independently observed
Still deciding?

Apollo.io or ZoomInfo: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.