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AI Tool Comparison

Apollo.io vs Clay

A side-by-side breakdown to help you pick the right tool for your workflow.

Apollo.io logo

Apollo.io

Find and contact prospects from a large B2B contact database with built-in outreach and engagement tools — sales teams work from one platform instead of stitching data and sequencing together.

Marketing
freemium
Visit site Full review →
Clay logo

Clay

Pull, enrich, and act on contact and company data through one workflow builder connecting dozens of data providers and AI models. New Actions + Data Credits pricing split platform usage from enrichment cost.

Marketing
freemium
Visit site Full review →

Bottom Line

Clay edges ahead on rating (4.7 vs 4.6), but the right pick still comes down to which workflow you're running.

Choose Apollo.io if…

Marketing

Choose Clay if…

Marketing

AttributeApollo.ioClay
CategoryMarketingMarketing
Pricingfreemiumfreemium
Pricing DetailFree / $49/user/mo Basic / $79/user/mo ProfessionalFree (500 actions) / $167/mo Launch / $446/mo Growth
Rating4.64.7

Key Features

Apollo.io

  • 275M+ contact database
  • AI email sequences
  • Conversation intelligence
  • Lead scoring
  • CRM integration

Clay

  • 100+ data source enrichment
  • AI message personalization (Claygent)
  • Waterfall enrichment logic
  • CRM sync
  • Website visitor identification

Pros

Apollo.io

  • Massive verified contact database
  • sequence personalization
  • Strong LinkedIn extension
  • Good free tier for prospecting

Clay

  • Best-in-class data enrichment
  • Hyper-personalization at scale is real
  • Replaces multiple data tools
  • Fastest-growing GTM tool

Cons

Apollo.io

  • Data accuracy varies by industry
  • Can get expensive for full features
  • UI can be overwhelming

Clay

  • Expensive and credit-hungry
  • Steep learning curve
  • Requires good list to start with

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