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Head-to-head · B2B Contact Data Providers

ZoomInfo vs Apollo

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score ZoomInfo #1 in B2B Contact Data Providers 9.3/10 Pricing on request ✓ 4 of 4 features Visit ZoomInfo
Apollo #2 in B2B Contact Data Providers 9.2/10 Free plan Free plan✓ 3 of 4 features Visit Apollo

ZoomInfo leads on 1 check, Apollo on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreZoomInfo · 9.3/10
  • Free planonly Apollo
  • Most featuresZoomInfo · 4 of 4

ZoomInfo scores higher on our rubric for b2b contact data providers: 9.3 against 9.2 out of 10; our editors rank them #1 and #2.

ZoomInfo leads on contact database size: 3.21e+08 contacts versus 275 contacts.

ZoomInfo is the better fit for enterprise revenue intelligence. Apollo is the better fit for all-around prospecting teams.

  • ZoomInfo fits best

    Enterprise revenue intelligence

  • Apollo fits best

    All-around prospecting teams

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature ZoomInfo 9.3/10 Visit ↗ Apollo 9.2/10 Visit ↗
At a glance
Editor score 9.3 9.2
Ranking #1 in B2B Contact Data Providers #2 in B2B Contact Data Providers
Best for Enterprise revenue intelligence All-around prospecting teams
Pricing model Paid Free plan + paid
Starting price Pricing on request Free plan
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud Cloud, Browser extension
Platforms Web Web, Chrome extension
Support Docs Email, Docs, Community
Compliance GDPR SOC 2, ISO 27001, GDPR, 2FA
Integrations 5 integrations 200+ integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features ZoomInfo 4/4 · Apollo 3/4
Direct-dial data ✓ ✓
Intent data ✓ ✓
Technographic filters ✓ (best) Not checked yet
API access ✓ ✓
Specs
Contact database size 3.21e+08 contacts (best) 275 contacts
Monthly export limit Not checked yet Not checked yet
Our review
Pros
  • Searches across 300+ company attributes with firmographic and technographic filters
  • Combines direct dials, verified business emails, intent, and change alerts
  • Connects CRM enrichment, APIs, AI prioritization, and outreach recommendations
  • 240M+ contact database with direct dials and verified business emails
  • Intent, technographic, people, and company search filters
  • Sequences, dialer, AI features, API access, and CRM integrations
Cons
  • Its broad feature set may exceed the needs of basic list-building teams
  • Advanced workflows depend on fit with CRM, sales, and marketing systems
  • Contact-sales purchasing may require more evaluation than self-serve tools
  • Paid plans are priced per seat with annual billing
  • Organization requires a minimum of three seats
  • Free access limits credits, chats, sequences, and filters
Our verdict

ZoomInfo is a B2B go-to-market intelligence platform for sales, marketing, recruiting, and revenue operations teams. It combines contact and company search with direct-dial and verified business email data, organizational charts,…

Read the review →

Apollo is a B2B data intelligence and sales engagement platform for sales, marketing, and revenue operations teams. It combines a searchable contact and company database with verified business emails, direct-dial phone numbers,…

Read the review →
  1. ZoomInfoB2B Contact Data Providers 9.3Pricing on request
  2. ApolloB2B Contact Data Providers 9.2Free plan

Strengths and trade-offs

  • ZoomInfo — where it wins

    • Searches across 300+ company attributes with firmographic and technographic filters
    • Combines direct dials, verified business emails, intent, and change alerts
    • Connects CRM enrichment, APIs, AI prioritization, and outreach recommendations

    Where it doesn't

    • Its broad feature set may exceed the needs of basic list-building teams
    • Advanced workflows depend on fit with CRM, sales, and marketing systems
    • Contact-sales purchasing may require more evaluation than self-serve tools

  • Apollo — where it wins

    • 240M+ contact database with direct dials and verified business emails
    • Intent, technographic, people, and company search filters
    • Sequences, dialer, AI features, API access, and CRM integrations

    Where it doesn't

    • Paid plans are priced per seat with annual billing
    • Organization requires a minimum of three seats
    • Free access limits credits, chats, sequences, and filters
  • ZoomInfo9.3/10 · Pricing on request

    A broad revenue-intelligence platform for teams that need data, signals, and workflows.

    Visit ZoomInfoFull verdict →
  • Apollo9.2/10 · Free plan

    Apollo combines contact data, prospecting, engagement, enrichment, and CRM workflows.

    Visit ApolloFull verdict →

More comparisons

All B2B contact data providers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update