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Apollo.io vs Fly.io: 2026 Comparison

Apollo.io Fly.io
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 platform for running applications close to users worldwide with lightweight VMs and global edge deployment.
Pricing Freemium ($0-99/mo) Pay_per_use (Pay-as-you-go from $0)
Key Features
  • Contact database
  • email sequencing
  • dialer
  • LinkedIn integration
  • buying intent signals
  • data enrichment
  • CRM sync
  • lead scoring
  • Global edge deployment
  • Fly Machines
  • PostgreSQL
  • Redis
  • Private networking
  • Auto-scaling
  • Docker support
  • CLI tools
Pros
  • Massive contact database
  • Generous free tier
  • All-in-one platform
  • Good data accuracy
  • Global distribution
  • Good performance
  • Docker-native
  • Fair pricing
Cons
  • Data can be outdated for smaller companies
  • UI can feel cluttered
  • Email deliverability issues at scale
  • Complexity for simple apps
  • Documentation gaps
  • Debugging can be hard
  • Smaller community