Apollo.io vs Clay: Cross-Category Comparison
Compare Apollo.io (sales engagement platform) and Clay (data enrichment tool) side by side. Understand how these tools fit different stages of your sales workflow.
Apollo.io is a sales engagement platform for multi-channel outreach with a 275M+ contact database, starting at $49/month for 5,000 credits. Clay is a data enrichment tool with 150+ integrations and AI-powered enrichment, starting at $149/month for 2,000 credits. They serve different workflow stages—Apollo handles outreach orchestration while Clay focuses on lead sourcing and data enrichment—making them complementary rather than competitive.
Key takeaways
- Apollo.io provides a 275M+ contact database with multi-channel sequences at $49/month for the Basic plan, while Clay starts at $149/month for 2,000 enrichment credits.
- Clay offers 150+ data provider integrations and unlimited users on all plans, with credit rollover included.
- Both tools integrate with Salesforce, HubSpot, and Pipedrive, allowing them to work together in the same tech stack.
- Apollo.io focuses on outreach orchestration with features like built-in dialer, A/B testing, and conversation intelligence, while Clay specializes in data waterfall enrichment and AI-powered data gathering.
- Many sales teams use both tools together, with Clay handling lead sourcing and enrichment before Apollo executes multi-channel outreach sequences.
Reviewed and updated February 6, 2026
Apollo.io vs Clay: Cross-Category Comparison
Should you invest in a dedicated sales engagement platform like Apollo.io or a data enrichment tool like Clay? This is a common question for revenue teams building their outbound infrastructure. The answer depends on where your biggest gaps are.
Why Compare These Two Tools?
Data enrichment tools provide the contact data that sales engagement platforms use for outreach sequences. The question for buyers is often whether an all-in-one platform that includes data can replace a dedicated enrichment tool.
Apollo.io is a sales engagement platform focused on multi-channel sales outreach. All-in-one sales intelligence and engagement platform combining a 275M+ contact database with automated sequences, email outreach, dialer, and AI-powered workflows for prospecting at scale.
Clay is a data enrichment tool focused on B2B lead data and contact enrichment. Data enrichment and workflow automation platform with 150+ integrations and AI-powered enrichment (Claygent).
Where Each Tool Fits in Your Workflow
| Aspect | Apollo.io | Clay |
|---|---|---|
| Category | Sales Engagement Platform | Data Enrichment Tool |
| Workflow Stage | Outreach orchestration | Lead sourcing and data |
| Primary Focus | Multi-channel sales outreach | B2B lead data and contact enrichment |
| Starting Price | Free | Free |
| Features Listed | 10 | 9 |
| Integrations | 12 | 14 |
Pricing Comparison
Apollo.io Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 100 credits/mo | Unlimited (fair use) |
| Basic | $49/mo | 5,000 credits/mo | Unlimited |
| Professional | $79/mo | 10,000 credits/mo | Unlimited |
| Organization | $119/mo | 15,000 credits/mo | Unlimited |
Source: Apollo.io Pricing
Clay Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Free | Free | 100 credits/month | N/A |
| Starter | $149/mo | 2,000 credits/month | N/A |
| Explorer | $349/mo | 10,000 credits/month | N/A |
| Pro | $800/mo | 50,000 credits/month | N/A |
Source: Clay Pricing
Pricing Context
These tools serve different purposes, so a direct price comparison requires context. Apollo.io starts at $0/mo for multi-channel sales outreach, while Clay starts at $0/mo for B2B lead data and contact enrichment. Many teams end up paying for both since they address different workflow stages.
Feature Highlights
Apollo.io Key Capabilities (Sales Engagement Platform)
- B2B contact and company database (275M+ contacts)
- Multi-channel sequences (email, phone, LinkedIn)
- AI-powered email writing and optimization
- Built-in dialer with call recording
- Automated workflows and engagement rules
- A/B testing for email sequences
- Buying intent signals and job change alerts
- Advanced lead scoring and filtering
- Email deliverability tools and mailbox rotation
- Conversation intelligence (Professional+)
Clay Key Capabilities (Data Enrichment Tool)
- 150+ data provider integrations
- AI-powered enrichment (Claygent)
- Unlimited users on all plans
- Credit rollover
- Workflow automation
- Data waterfall enrichment
- Custom API key support
- HTTP API integration
- Webhooks
Feature Overlap
These tools have minimal feature overlap, which makes sense given their different categories. They are more complementary than competitive.
Integration Ecosystem
Apollo.io Integrations
Apollo.io connects with: Salesforce, HubSpot, Pipedrive, Gmail, Microsoft Outlook, LinkedIn, Zapier, Slack, Sendgrid, Outreach, Salesloft, Webhooks API.
Clay Integrations
Clay connects with: Salesforce, HubSpot, Pipedrive, Close, Apollo.io, Clearbit, ZoomInfo, Lemlist, Instantly, Smartlead, OpenAI, Google Sheets, Airtable, Notion.
Shared Integrations
Both tools integrate with: Salesforce, HubSpot, Pipedrive. This shared ecosystem means they can work together in your tech stack.
When to Choose Apollo.io
- Your biggest gap is in outreach orchestration
- You already have a solid data enrichment tool and need specialized multi-channel sales outreach capabilities
- You want an affordable entry point ($0/mo)
- Your team's primary bottleneck is multi-channel sales outreach
When to Choose Clay
- Your biggest gap is in lead sourcing and data
- You already have a sales engagement platform and need better B2B lead data and contact enrichment
- You want an affordable entry point ($0/mo)
- Your team's primary bottleneck is B2B lead data and contact enrichment
Using Both Together
Many sales teams use both a sales engagement platform and a data enrichment tool as part of their complete workflow. Apollo.io handles outreach orchestration while Clay covers lead sourcing and data.
Since both tools integrate with Salesforce, HubSpot, Pipedrive, connecting them in your workflow is straightforward.
Decision Framework
- Map your workflow gaps. Which stage needs the most improvement: outreach orchestration or lead sourcing and data?
- Check your existing stack. Do you already have a tool covering one of these categories?
- Consider your budget. Can you invest in both, or do you need to prioritize one?
- Trial both. Sign up for free trials to evaluate each tool in your actual workflow.
- Measure ROI separately. Track the impact of each tool on its specific workflow stage.
Related Reading
- Best Apollo.io Alternatives in 2026
- Best Clay Alternatives in 2026
- Apollo.io vs Outreach: Sales Engagement Platform Comparison
- Apollo.io vs Salesloft: Sales Engagement Platform Comparison
- Apollo vs Clay: Choosing the Right Data Enrichment Tool for B2B Sales
Pricing and features verified as of February 2026. Visit Apollo.io and Clay for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Apollo.io and Clay?
- Apollo.io is a sales engagement platform focused on multi-channel outreach orchestration, while Clay is a data enrichment tool focused on lead sourcing and contact data enrichment. They serve different stages of the sales workflow—Clay gathers and enriches data, then Apollo uses that data to execute outreach sequences. This makes them complementary rather than competitive tools.
- How much does Apollo.io cost compared to Clay?
- Apollo.io's Basic plan costs $49/month for 5,000 credits and unlimited emails, while Clay's Starter plan costs $149/month for 2,000 credits. Both offer free plans with 100 credits per month. Apollo's Professional plan is $79/month for 10,000 credits, and Clay's Explorer plan is $349/month for 10,000 credits. Direct price comparison requires context since they serve different purposes in the sales workflow.
- Can I use Apollo.io and Clay together?
- Yes, many sales teams use both tools together as part of their complete workflow. Clay handles lead sourcing and data enrichment, while Apollo manages outreach orchestration. Both integrate with Salesforce, HubSpot, and Pipedrive, making it straightforward to connect them in your tech stack. Clay also directly integrates with Apollo.io for seamless data transfer.
- Which tool should I choose if I only have budget for one?
- Choose based on your biggest workflow gap. Select Apollo.io if your primary bottleneck is multi-channel outreach orchestration and you need specialized sales engagement capabilities. Choose Clay if your biggest gap is lead sourcing and data enrichment, especially if you already have a basic sales engagement platform. Both offer free plans starting at $0/month, allowing you to trial before committing budget.
- Does Apollo.io have data enrichment features like Clay?
- Apollo.io includes a 275M+ contact database and basic data enrichment capabilities as part of its all-in-one platform, but it's primarily a sales engagement tool. Clay specializes in data enrichment with 150+ data provider integrations, AI-powered enrichment through Claygent, and data waterfall capabilities. The tools have minimal feature overlap, with Apollo focusing on outreach execution and Clay focusing on comprehensive data enrichment.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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