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Apollo.io vs Square: 2026 Comparison

Apollo.io Square
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 financial services platform offering point-of-sale, payment processing, banking, and business management tools.
Pricing Freemium ($0-99/mo) Pay_per_use (2.6% + 10c in-person / 2.9% + 30c online)
Key Features
  • Contact database
  • email sequencing
  • dialer
  • LinkedIn integration
  • buying intent signals
  • data enrichment
  • CRM sync
  • lead scoring
  • POS system
  • Payment processing
  • Invoicing
  • Banking
  • Payroll
  • Online store
  • Appointments
  • Analytics
Pros
  • Massive contact database
  • Generous free tier
  • All-in-one platform
  • Good data accuracy
  • Easy to start
  • Good POS hardware
  • Integrated ecosystem
  • Transparent pricing
Cons
  • Data can be outdated for smaller companies
  • UI can feel cluttered
  • Email deliverability issues at scale
  • Per-transaction fees
  • Limited customization
  • Account stability concerns
  • Customer support varies