Apollo.io vs Clay

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Updated August 2026

Apollo.io

AI sales platform — outbound, inbound & data enrichment

Freemium

78% verification coverage

Clay

Build systems to grow revenue

Freemium

79% verification coverage

Trust & Reliability

Apollo.io

Users:1M-10M

Customers (per vendor):Customer.io, GTM Ops, Census +7

GDPR

SOC 2

Clay

Uptime:100.00% (30-day)Status page

Users:10K-100K

Customers (per vendor):Intercom

GDPR

SOC 2

Too Close to Call

Clay (7.3) vs Apollo.io (7.2) — difference of 0.1 points

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Apollo.io

7.2

avg score

Clay

7.3

avg score

Both tools score very similarly overall — the best choice depends on your specific priorities.

Based on 12 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Too close to call — it's a tie

Apollo.io

Best For

Sales development teams looking to automate prospecting and outreach at scale

Account executives aiming to accelerate deal cycles with AI-powered insights

Revenue operations professionals seeking to unify their GTM tech stack and improve data accuracy

Founders and sales leaders focused on driving smarter, faster revenue growth

Consider Alternatives If

Individuals or teams not focused on B2B sales or lead generation

Users who require a completely free solution with no feature limitations

Businesses that do not need extensive contact data or sales automation

Clay

Best For

GTM operations teams needing to centralize data and automate complex sales workflows

Sales development representatives (SDRs) looking to streamline prospecting and personalize outreach

Marketing teams aiming to build targeted ad audiences and automate inbound qualification

Revenue operations leaders focused on improving data quality and pipeline efficiency

Consider Alternatives If

Individuals or teams not focused on sales, marketing, or GTM operations

Users seeking a simple, single-purpose AI tool without workflow orchestration needs

Organizations that require full data retention for actions beyond the billing cycle

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Apollo.io is best for

🤖Automation & Agents9.0📊Data & Analytics8.0💬Chat & Conversation7.0

Clay is best for

🤖Automation & Agents8.0📊Data & Analytics7.0💬Chat & Conversation5.0

Filter by your use case:

Pros & Cons

Apollo.io

Pros

Comprehensive B2B database with 240M+ contacts and 30M+ companies
AI-powered features for prospecting, outreach, and deal management
All-in-one platform replaces multiple sales tools, reducing costs
Strong CRM integrations with Salesforce and HubSpot
Flexible pricing plans including a generous free tier
High email accuracy (96%) and deliverability tools

Cons

Free plan has limited AI Assistant chats and sequences
Non-Gmail/Microsoft email accounts require a paid plan for full integration
Credit system for data access can be complex to manage for new users
Advanced features like A/Z testing and unlimited mailboxes are only available on higher tiers
International dialer is an add-on and varies by region

Clay

Pros

Comprehensive data marketplace with 200+ providers
AI agents for custom research and qualification
Flexible workflow orchestration across GTM tools
Automates lead enrichment and personalization
Offers a free plan with no credit card required
SOC 2 Type II, GDPR, CCPA, ISO 27001, and ISO 42001 compliant

Cons

Actions reset each billing cycle and do not roll over on paid plans
Data Credits roll over only up to 2x monthly amount for Launch/Growth plans
Enterprise plan requires custom pricing and annual commitment
Variable AI model pricing can make cost prediction challenging
No explicit mention of offline mode for the platform

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Output Quality5

Value for Money5

Customization5

Support5

Integration5

Accuracy & Reliability5

Compliance & Data Protection5

Performance5

Task Completion5

Tool Use Correctness5

Planning Quality5

Dimension Comparison

Apollo.io

7.2

/ 10

Clay

7.3

/ 10

Your pick

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Apollo.io

6.0

Clay

6.0

Output Quality

How accurate, reliable, and useful are the outputs this product generates?

Apollo.io

8.0

Clay

8.0

Value for Money

How well does the pricing match the features and output quality delivered?

Apollo.io

8.0▲ +1.0

Clay

7.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Apollo.io

7.0

Clay

8.0▲ +1.0

Support

How strong is the documentation, customer support, community, and learning resources?

Apollo.io

7.0

Clay

8.0▲ +1.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Apollo.io

8.0

Clay

8.0

Accuracy & Reliability

Factual accuracy and hallucination resistance

Apollo.io

8.0

Clay

8.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, aggregated from verified compliance signals

Apollo.io

5.0

Clay

5.0

Performance

Calculated

Latency + throughput speed

Apollo.io

8.0

Clay

8.0

Task Completion

End-to-end task success rate

Apollo.io

—

Clay

—

Tool Use Correctness

Picks the correct tool + correct arguments

Apollo.io

—

Clay

—

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Apollo.io

—

Clay

—

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Apollo.io

Task

Clay

7.0

Lead Scoring

7.0

8.0

Pipeline Management

7.0

9.0

Outreach Automation

8.0

Email Tracking

6.0

7.0

Meeting Scheduling

5.0

6.0

Deal Forecasting

6.0

9.0

Contact Enrichment

9.0

7.0

Conversation Intelligence

5.0

Territory Management

7.0

8.0

Reporting Analytics

7.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

Which is better, Apollo.io or Clay?

Both are strong options. Apollo.io is a strong choice, while Clay is a strong choice. The best choice depends on your specific use case, budget, and workflow requirements.

Is Apollo.io cheaper than Clay?

Apollo.io starts at free (freemium model). Clay starts at free (freemium model) with a free trial. Use the Cost Calculator above for a detailed estimate.

What are the main differences between Apollo.io and Clay?

Apollo.io — "AI sales platform — outbound, inbound & data enrichment". Clay — "Build systems to grow revenue". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.

Can I use Apollo.io and Clay together?

Yes, many teams use both tools together for different purposes. Use the Stack Builder section above to combine Apollo.io and Clay with other tools and save your AI toolkit.

Does Apollo.io or Clay have a free plan?

Apollo.io is available for free. Clay is available for free with a free trial. Always verify current pricing directly with the vendor.

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