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Affinity vs Supabase: 2026 Comparison

Affinity Supabase
Overview A relationship intelligence CRM designed for dealmakers in private capital, investment banking, and consulting. An open-source Firebase alternative with PostgreSQL database, authentication, real-time subscriptions, and edge functions.
Pricing Subscription (Custom pricing) Freemium (Free-$25/month)
Key Features
  • Relationship intelligence
  • Automatic data capture
  • Deal management
  • Analytics
  • Email integration
  • Chrome extension
  • Alliances
  • Pipeline management
  • PostgreSQL database
  • Authentication
  • Real-time
  • Edge functions
  • Storage
  • Vector embeddings
  • Auto-generated APIs
  • Dashboard
Pros
  • Excellent relationship mapping
  • Automatic activity capture
  • Great for deal-driven firms
  • Strong analytics
  • Open source
  • PostgreSQL-based
  • Generous free tier
  • Great developer experience
Cons
  • Expensive
  • Niche use case
  • Limited marketing features
  • Not for general business use
  • Scaling can get expensive
  • Newer platform
  • Some features in beta
  • Self-hosting requires expertise