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Clay vs Apollo.io: Which is Better in 2026?

Choosing between Clay and Apollo.io comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Clay is our overall pick for sales intelligence workflows. Pick Apollo.io if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Jun 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Clay

Supercharge sales & marketing with enriched lead data

Best for you if:

  • Creative data enrichment for GTM teams
  • Combine 75+ data sources automatically

Apollo.io

Find leads, enrich data, and automate outreach

Best for you if:

  • • You want to try before committing
  • Apollo.io is a sales intelligence platform for finding and engaging B2B prospects
  • It provides contact data, email sequences, and CRM integration for outbound sales
At a Glance
ClayClay
Apollo.ioApollo.io
Starts at
$134/moStarter
FreeFree tier available
Best For
Sales IntelligenceSales Intelligence
Rating
4.8/54.7/5

Choose Clay or Apollo.io?

Clay

Choose Clay if

Supercharge sales & marketing with enriched lead data

  • 100+ data sources
  • AI research agent
  • Powerful workflows
Apollo.io

Choose Apollo.io if

Find leads, enrich data, and automate outreach

  • Massive B2B contact database with 275M+ contacts
  • Generous free tier with 50 credits/month
  • All-in-one prospecting and engagement platform
  • You want a free tier before you commit
FeatureClayApollo.io
Pricing ModelPaidFreemium
User Rating
4.8/5
184 reviews
4.7/5
9,450 reviews
Categories
Sales IntelligenceLead Generation
Sales IntelligenceSales Engagement

In-Depth Analysis

ClayClay

Supercharge sales & marketing with enriched lead data

Strengths

  • +100+ data sources
  • +AI research agent
  • +Powerful workflows

Weaknesses

  • -Can get expensive

Key features

Data enrichmentLead scoringOutbound automationAI researchCRM sync80+ data sources
Starts at $134/mo

Apollo.ioApollo.io

Find leads, enrich data, and automate outreach

Strengths

  • +Massive B2B contact database with 275M+ contacts
  • +Generous free tier with 50 credits/month
  • +All-in-one prospecting and engagement platform
  • +Strong CRM integrations with Salesforce and HubSpot
  • +AI-powered lead scoring and recommendations

Weaknesses

  • -Data accuracy varies by region and industry
  • -Credit system can be confusing
  • -Email deliverability requires careful setup
  • -Higher tiers needed for advanced features
  • -Learning curve for full platform utilization

Key features

275M+ contact databaseEmail finder & verificationSales engagement sequencesCRM integrationsChrome extensionAI insights
Starts at Free

Pricing: Clay vs Apollo.io

PlanClayApollo.io
Tier 1
$0
Free
Free
Free
Tier 2
$134
Starter
49/month
Basic
Tier 3
$314
Explorer
99/month
Professional
Tier 4
$720
Pro
Contact sales
Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on Clay pricing and Apollo.io pricing.

Who Should Use What?

On a budget?

Apollo.io has a free tier. Clay is paid only.

Go with: Apollo.io

Want the highest-rated option?

Clay: 4.8/5 (184 reviews). Apollo.io: 4.7/5 (9,450 reviews).

Go with: Clay

Value user reviews?

Clay: 184 reviews (4.8/5). Apollo.io: 9,450 reviews (4.7/5).

Go with: Apollo.io

3 Questions to Help You Decide

1

What's your budget?

Clay is paid. Apollo.io is freemium. Apollo.io lets you start free.

2

What's your use case?

Both are sales intelligence tools. Compare their specific features to decide.

3

How important are ratings?

Clay is rated higher: 4.8/5 vs 4.7/5.

Key Takeaways

Clay

  • Higher user rating: 4.8/5 vs 4.7/5
  • Our pick for this comparison

Apollo.io

  • Has a free tier
  • Larger review base (9,450 reviews)

The Bottom Line

Clay is our pick. Apollo.io has a free tier if you want to test without paying.

Frequently Asked Questions

Is Clay or Apollo.io better?

Clay is rated in our evaluation. Clay is paid and Apollo.io is freemium.

What are Clay and Apollo.io used for?

Clay: Supercharge sales & marketing with enriched lead data. Apollo.io: Find leads, enrich data, and automate outreach.

What does Clay cost vs Apollo.io?

Clay is a paid tool. Apollo.io is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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