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Apollo.io vs Cirrus Insight: 2026 Comparison

Apollo.io Cirrus Insight
Overview Apollo.io is an all-in-one sales intelligence and engagement platform with a database of over 275 million contacts. It combines prospecting, enrichment, and outreach automation in a single workflow. A Salesforce integration tool that brings CRM functionality directly into Gmail and Outlook for seamless sales workflow.
Pricing Freemium ($0-99/mo) Subscription ($14-$21/user/month)
Key Features
  • Contact database
  • email sequencing
  • dialer
  • LinkedIn integration
  • buying intent signals
  • data enrichment
  • CRM sync
  • lead scoring
  • Salesforce sidebar
  • Email tracking
  • Calendar sync
  • Meeting scheduler
  • Sales cadences
  • Buyer signals
  • Attachment tracking
  • Templates
Pros
  • Massive contact database
  • Generous free tier
  • All-in-one platform
  • Good data accuracy
  • Deep Salesforce integration
  • Works in email
  • Easy to adopt
  • Good scheduling
Cons
  • Data can be outdated for smaller companies
  • UI can feel cluttered
  • Email deliverability issues at scale
  • Requires Salesforce
  • Limited standalone value
  • Basic CRM features
  • Dependent on email client

Apollo.io

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Cirrus Insight

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