Apollo.io vs HubSpot vs Intercom vs Knock AI Reveal

Apollo.io+

Starting price

$49/month

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HubSpot+

Starting price

$15/month

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Intercom+

Starting price

$29/month

ViewVisit site ↗

Knock AI Reveal+

Starting price

—

ViewVisit site ↗

Attribute	Apollo.io	HubSpot	Intercom	Knock AI Reveal
Category	Sales Intelligence & Lead Generation	CRM & Customer Management	Customer Support & Success	Sales Intelligence & Lead Generation
Pricing	Free tier	Free tier	Paid	Paid
Starting price	$49/month	✓ $15/month	$29/month	—
Free tier	✓ Yes	✓ Yes	No	No
Free trial	Unknown	✓ Yes (14d)	✓ Yes (14d)	✓ Yes
Deployment	—	—	—	—
API available	✓ Yes	✓ Yes	✓ Yes	Unknown
Platforms	—	ios, android	—	—
Certifications	3	—	✓ 5	—
Integrations	—	✓ 23	4	—
Company	Founded 2015	Founded 2006	Founded 2011	—
Feature attributes
Sso Saml	✓ Yes	✓ Yes	✓ Yes	— Unknown
Rbac	— Unknown	✓ Yes	— Unknown	— Unknown
Mobile App	— Unknown	Ios And Android	— Unknown	— Unknown
Webhooks	— Unknown	✓ Yes	✓ Yes	— Unknown
Data Export	✓ Yes	— Unknown	— Unknown	— Unknown
Contact Database Size	— Unknown	— Unknown	— Unknown	— Unknown
Email Finder	✓ Yes	— Unknown	— Unknown	— Unknown
Phone Numbers	✓ Yes	— Unknown	— Unknown	— Unknown
Intent Data	✓ Yes	— Unknown	— Unknown	— Unknown
Chrome Extension	✓ Yes	— Unknown	— Unknown	— Unknown
Pipeline Management	— Unknown	✓ Yes	— Unknown	— Unknown
Marketing Automation	— Unknown	✓ Yes	— Unknown	— Unknown
Custom Objects	— Unknown	✓ Yes	— Unknown	— Unknown
Reporting Dashboards	— Unknown	✓ Yes	— Unknown	— Unknown
App Marketplace	— Unknown	✓ Yes	— Unknown	— Unknown
Ticketing	— Unknown	— Unknown	✓ Yes	— Unknown
Live Chat	— Unknown	— Unknown	✓ Yes	— Unknown
Knowledge Base	— Unknown	— Unknown	✓ Yes	— Unknown
Ai Chatbot	— Unknown	— Unknown	✓ Yes	— Unknown
Omnichannel	— Unknown	— Unknown	✓ Yes	— Unknown

Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.