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Apollo.io vs Spline: 2026 Comparison

Apollo.io Spline
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 free 3D design tool for creating interactive web experiences with real-time collaboration and easy embedding.
Pricing Freemium ($0-99/mo) Freemium (Free-$36/month)
Key Features
  • Contact database
  • email sequencing
  • dialer
  • LinkedIn integration
  • buying intent signals
  • data enrichment
  • CRM sync
  • lead scoring
  • 3D modeling
  • Real-time collaboration
  • Web embedding
  • Interactions
  • Animation
  • Materials
  • Physics
  • Export to code
Pros
  • Massive contact database
  • Generous free tier
  • All-in-one platform
  • Good data accuracy
  • Free plan available
  • Easy to learn
  • Web-native 3D
  • Real-time collaboration
Cons
  • Data can be outdated for smaller companies
  • UI can feel cluttered
  • Email deliverability issues at scale
  • Limited advanced modeling
  • Performance with complex scenes
  • Newer platform
  • Export limitations on free plan