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Compare: Apollo.io vs Clearbit (now acquired by HubSpot)
A side-by-side analysis to help you find the right tool.
Apollo.io
Freemium
(Under $50/mo)
Free tier available (limited credits)
View Details
Clearbit (now acquired by HubSpot)
Free
($200–$1,000/mo)
Free tier for basic enrichment
View Details
Key Differences
Pricing Model
Apollo.io
Freemium
Clearbit (now acquired by HubSpot)
Free
Budget Tier
Apollo.io
Under $50/mo
Clearbit (now acquired by HubSpot)
$200–$1,000/mo
Free Trial
Apollo.io
Free tier available (limited credits)
Clearbit (now acquired by HubSpot)
Free tier for basic enrichment
Company Size Fit
Apollo.io
Solo / Freelancer, Small Team (2–20), Mid-Market (20–200)
Clearbit (now acquired by HubSpot)
Small Team (2–20), Mid-Market (20–200), Enterprise (200+)
Best For
Apollo.io
Startups and SMBs wanting B2B data + sales engagement in one affordable tool
Clearbit (now acquired by HubSpot)
B2B companies needing real-time data enrichment and intent signals
Pros
Apollo.io
Incredible value for the price
combines ZoomInfo-like data with Outreach-like sequencing
generous free tier
easy to use
Clearbit (now acquired by HubSpot)
Best-in-class data enrichment API
Reveal turns anonymous web traffic into company names
great for shortening forms (increases conversion)
Cons
Apollo.io
Contact data accuracy is slightly below ZoomInfo for enterprise roles
intent data is basic
primarily a sales tool, not marketing orchestration
Clearbit (now acquired by HubSpot)
Acquired by HubSpot (future availability outside HubSpot ecosystem uncertain)
expensive at scale
provides data but not orchestration
What They Share
