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Affinity vs Insomnia: 2026 Comparison

Affinity Insomnia
Overview A relationship intelligence CRM designed for dealmakers in private capital, investment banking, and consulting. An open-source API client for REST, GraphQL, gRPC, and WebSocket with a clean interface and environment management.
Pricing Subscription (Custom pricing) Freemium (Free-$12/user/month)
Key Features
  • Relationship intelligence
  • Automatic data capture
  • Deal management
  • Analytics
  • Email integration
  • Chrome extension
  • Alliances
  • Pipeline management
  • REST client
  • GraphQL support
  • gRPC support
  • Environment management
  • Plugin system
  • Code generation
  • Design and testing
  • Git sync
Pros
  • Excellent relationship mapping
  • Automatic activity capture
  • Great for deal-driven firms
  • Strong analytics
  • Open source option
  • Clean interface
  • Multi-protocol support
  • Good plugin system
Cons
  • Expensive
  • Niche use case
  • Limited marketing features
  • Not for general business use
  • Smaller community than Postman
  • Fewer integrations
  • Kong acquisition concerns
  • Limited team features on free