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Apollo.io vs Tettra: 2026 Comparison

Apollo.io Tettra
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 knowledge management tool for teams with AI-powered answers, content verification, and Slack integration.
Pricing Freemium ($0-99/mo) Freemium (Free-$8.33/user/month)
Key Features
  • Contact database
  • email sequencing
  • dialer
  • LinkedIn integration
  • buying intent signals
  • data enrichment
  • CRM sync
  • lead scoring
  • Knowledge base
  • AI-powered answers
  • Slack integration
  • Content verification
  • Templates
  • Analytics
  • Search
  • Team wiki
Pros
  • Massive contact database
  • Generous free tier
  • All-in-one platform
  • Good data accuracy
  • AI answers from your docs
  • Good Slack integration
  • Simple interface
  • Free plan available
Cons
  • Data can be outdated for smaller companies
  • UI can feel cluttered
  • Email deliverability issues at scale
  • Limited features
  • Small team
  • Fewer integrations
  • Basic analytics