Apollo.io vs Clearbit: Cross-Category Comparison
Compare Apollo.io (sales engagement platform) and Clearbit (data enrichment tool) side by side. Understand how these tools fit different stages of your sales workflow.

Apollo.io is a sales engagement platform starting at $0/month that handles multi-channel outreach orchestration with a 275M+ contact database, sequences, and dialer. Clearbit is a data enrichment tool starting at $45/month that provides real-time B2B contact enrichment and visitor identification. These tools serve different workflow stages—Apollo for executing outreach, Clearbit for enriching lead data—and many teams use both together since they integrate with shared CRM platforms.
Key takeaways
- Apollo.io offers a free tier with 100 credits per month and unlimited email sending under fair use, while Clearbit's entry plan starts at $45/month with 100 credits.
- Apollo.io provides a 275M+ contact database with built-in multi-channel sequences, dialer, and AI-powered email writing for sales engagement.
- Clearbit specializes in real-time data enrichment, IP intelligence for visitor identification, and dynamic form shortening rather than outreach execution.
- Both tools integrate with Salesforce and HubSpot, allowing them to work together in a unified sales tech stack.
- Teams typically choose Apollo when their bottleneck is outreach execution and Clearbit when their gap is contact data quality and enrichment.
Reviewed and updated February 6, 2026
Apollo.io vs Clearbit: Cross-Category Comparison
Teams building a B2B sales stack often face a choice between investing in multi-channel sales outreach (Apollo.io) or B2B lead data and contact enrichment (Clearbit). This comparison helps you understand what each tool does, where they overlap, and how they fit into your workflow.
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.
Clearbit is a data enrichment tool focused on B2B lead data and contact enrichment. B2B data enrichment platform (now Breeze Intelligence by HubSpot) with real-time enrichment and visitor identification.
Where Each Tool Fits in Your Workflow
| Aspect | Apollo.io | Clearbit |
|---|---|---|
| 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 | $45/mo |
| Features Listed | 10 | 8 |
| Integrations | 12 | 4 |
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
Clearbit Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Entry | $45/mo | 100 credits/month | N/A |
| Business | $1667/mo | Custom | N/A |
| Enterprise | Contact Sales | Custom | N/A |
Source: Clearbit 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 Clearbit starts at $45/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+)
Clearbit Key Capabilities (Data Enrichment Tool)
- Global data coverage
- Lead, contact, and account enrichment
- Real-time lead scoring and routing
- IP intelligence for visitor identification
- Dynamic form shortening
- Corporate hierarchy mapping
- Industry categorization
- Buyer intent signals
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.
Clearbit Integrations
Clearbit connects with: HubSpot, Segment, Marketo, Salesforce.
Shared Integrations
Both tools integrate with: Salesforce, HubSpot. 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 Clearbit
- 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 ($45/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 Clearbit covers lead sourcing and data.
Since both tools integrate with Salesforce, HubSpot, 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 Clearbit Alternatives in 2026
- Apollo.io vs Outreach: Sales Engagement Platform Comparison
- Apollo.io vs Salesloft: Sales Engagement Platform Comparison
- Apollo vs Clearbit: Comparing B2B Data Platforms for Sales and Marketing
Pricing and features verified as of February 2026. Visit Apollo.io and Clearbit for current information.
Frequently asked questions.
Frequently asked questions- What's the main difference between Apollo.io and Clearbit?
- Apollo.io is a sales engagement platform for executing multi-channel outreach with sequences, a dialer, and email automation. Clearbit is a data enrichment tool that enhances existing lead records with real-time B2B contact data and visitor identification. Apollo focuses on outreach orchestration while Clearbit focuses on data quality and enrichment at earlier workflow stages.
- Can I use Apollo.io and Clearbit together?
- Yes, many sales teams use both tools as they serve complementary purposes in the sales workflow. Clearbit enriches lead data while Apollo executes the outreach. Both integrate with Salesforce and HubSpot, making it straightforward to connect them in your tech stack so enriched data from Clearbit flows into Apollo for outreach sequences.
- How much does Apollo.io cost compared to Clearbit?
- Apollo.io starts with a free plan offering 100 credits monthly and unlimited emails, then $49/month for the Basic plan with 5,000 credits. Clearbit starts at $45/month for 100 credits on the Entry plan, jumping to $1,667/month for the Business tier. Apollo offers more affordable entry points for teams prioritizing outreach over pure data enrichment.
- Which tool should I choose if I can only afford one?
- Choose based on your primary workflow bottleneck. Select Apollo.io if your biggest gap is executing multi-channel outreach and you need sequences, dialing, and email automation. Choose Clearbit if your main problem is poor contact data quality and you already have an outreach tool but need better enrichment. Map your workflow gaps before deciding, as they solve different problems.
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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