Apollo.io vs Clearout: Data Enrichment Tool Comparison
Compare Apollo.io and Clearout side by side. See pricing, features, and integrations to choose the right data enrichment tool for your needs.

Apollo.io and Clearout both start free, but Apollo.io is a broader sales intelligence platform with 210M+ contacts, AI-powered campaigns, and 7 integrations including Salesforce and HubSpot, while Clearout focuses on email verification and finding, with 5 integrations including Google Sheets and Zapier. Apollo.io tops out at $119/mo, Clearout offers custom Enterprise pricing.
Key takeaways
- Apollo.io's Free plan grants 900 credits per seat per year, while its Organization plan costs $119/mo for 72,000 credits per seat per year.
- Clearout's Freemium plan offers 100 credits for lifetime, and its Pro tier costs $32/mo for 10,000 credits per month.
- Apollo.io lists 10 total features including a 210M+ contacts database and 30M+ companies, compared to Clearout's 8 listed features.
- Apollo.io integrates with 7 platforms including Salesforce, Outreach, SalesLoft, Marketo, SendGrid, and LinkedIn, while Clearout integrates with 5 including Google Sheets, Zapier, Make, and Zoho.
- Both tools share only one listed integration in common: HubSpot.
Reviewed and updated September 4, 2026
Apollo.io vs Clearout: Data Enrichment Tool Comparison
Apollo.io and Clearout are both data enrichment tools. Choosing between them depends on your team size, budget, and specific B2B lead data and contact enrichment requirements. Here is what each vendor publishes about pricing, features, and integrations.
The Quick Answer
By each vendor's own wording, Apollo.io lists 210m+ contacts database and 30m+ companies, while Clearout lists email verifier and email finder. A capability both offer can appear under different names, so read both feature lists below.
Both start at the same price point ($0/mo), so the decision comes down to features and workflow fit.
If your priority is finding accurate contact data for target accounts, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
Apollo.io is All-in-one sales intelligence platform with 210M+ contacts, AI-powered campaigns, and built-in email sequencing.
Clearout is Email verification service that validates addresses in bulk, through an API and on signup forms in real time. Also finds business email addresses and monitors contact data already inside a CRM.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison

Apollo.io Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Free | Free | 900 credits per seat per year, granted monthly |
| Basic | $49/mo | 30,000 credits per seat per year, granted upfront |
| Professional | $79/mo | 48,000 credits per seat per year, granted upfront |
| Organization | $119/mo | 72,000 credits per seat per year, granted upfront |
Source: Apollo.io Pricing
Clearout Pricing (as of September 2026)
| Plan | Price | Emails |
|---|---|---|
| Freemium | Free | 100 Credits for Lifetime |
| Starter | $16/mo | 3,000 Credits Per Month |
| Pro 10K Credits | $32/mo | 10,000 Credits Per Month |
| Enterprise | Contact Sales | - |
Source: Clearout Pricing
Pricing Analysis
Both platforms start at the same $0/mo price point. The decision comes down to which feature set and tier structure works better for your expected usage.
Both platforms offer free tiers, so you can test each one before spending anything.
Features Breakdown
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- and 4 more listed below
- Email Verifier
- Email Finder
- Form Guard
- Data Pulse
- Clearout Add-ons For Google Sheets
- Parallel Bulk Email Verification
- and 2 more listed below
Apollo.io Key Features
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- Contact and company enrichment
- Advanced filtering
- CRM data cleansing
- Pipeline boards
Clearout Key Features
- Email Verifier
- Email Finder
- Form Guard
- Data Pulse
- Clearout Add-ons For Google Sheets
- Parallel Bulk Email Verification
- Prospecting
- Credits never expire
The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.
Listed only by Apollo.io
- 210M+ contacts database
- 30M+ companies
- AI-powered multichannel campaigns
- Email deliverability guardrails
- Anonymous visitor identification
- Real-time form enrichment
- Contact and company enrichment
- Advanced filtering
- CRM data cleansing
- Pipeline boards
Listed only by Clearout
- Email Verifier
- Email Finder
- Form Guard
- Data Pulse
- Clearout Add-ons For Google Sheets
- Parallel Bulk Email Verification
- Prospecting
- Credits never expire
Integration Ecosystem

Apollo.io Integrations
Apollo.io connects with: Salesforce, HubSpot, Outreach, SalesLoft, Marketo, SendGrid, LinkedIn.
Clearout Integrations
Clearout connects with: HubSpot, Google Sheets, Zapier, Make, Zoho.
Shared Integrations
Both tools integrate with: HubSpot.
Integrations listed only by Apollo.io: Salesforce, Outreach, SalesLoft, Marketo, SendGrid, LinkedIn.
Integrations listed only by Clearout: Google Sheets, Zapier, Make, Zoho.
Use Case Recommendations
Best Fit for Apollo.io
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (7 integrations)
- Teams that want to start free and scale up as needs grow
Best Fit for Clearout
- Budget-conscious teams looking for an affordable data enrichment tool
- Teams that want to start free and scale up as needs grow
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Apollo.io | Clearout |
|---|---|---|
| Starting Price | Free | Free |
| Top Tier Price | $119/mo | Contact Sales |
| Total Features Listed | 10 | 8 |
| Integrations | 7 | 5 |
Getting Started Checklist

- Define your B2B lead data and contact enrichment requirements and monthly budget
- Estimate your expected data credits or contact lookups to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Apollo.io and Clearout both serve the B2B lead data and contact enrichment market. Apollo.io offers a more accessible entry point, while Clearout starts at $0/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Pricing and features verified as of September 2026. Visit Apollo.io and Clearout for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Apollo.io or Clearout?
- Both platforms start at $0/mo on their free tiers, so neither is cheaper at entry level. Beyond that, Apollo.io's paid tiers range from $49/mo to $119/mo, while Clearout's paid tiers run from $16/mo to $32/mo, with an Enterprise tier requiring you to contact sales for custom pricing.
- What is the main difference between Apollo.io and Clearout?
- Apollo.io is an all-in-one sales intelligence platform with a 210M+ contacts database, AI-powered multichannel campaigns, and built-in email sequencing. Clearout is focused specifically on email verification, validating addresses in bulk through an API or on signup forms in real time, and also finds business email addresses.
- Does Apollo.io or Clearout have more integrations?
- Apollo.io lists 7 integrations, including Salesforce, Outreach, SalesLoft, Marketo, SendGrid, and LinkedIn. Clearout lists 5 integrations, including Google Sheets, Zapier, Make, and Zoho. The only integration both tools list in common is HubSpot.
- Is Apollo.io or Clearout better for enterprise buyers?
- Clearout is noted as a better fit for enterprise buyers who prefer custom pricing and dedicated support, since its top tier requires contacting sales. Apollo.io is recommended for teams needing a wider feature set, ten capabilities listed, and organizations with complex tech stacks needing broad integration support across 7 integrations.
- Can I try Apollo.io or Clearout for free?
- Yes, both platforms offer free tiers. Apollo.io's Free plan grants 900 credits per seat per year, granted monthly, while Clearout's Freemium plan offers 100 credits for lifetime, allowing teams to test either tool before committing to a paid plan.
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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