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Best Backend-as-a-Service (BaaS) Platforms

14 min readJanuary 6, 2026By Spawned Team

Supabase, Firebase, Appwrite, and more. Which BaaS is right for your project?

Backend Without the Headache

Backend-as-a-Service platforms give you database, auth, storage, and more without managing servers. Here's how to choose.

Top BaaS Platforms

1. Supabase

Best for: PostgreSQL lovers, open source fans Pricing: Free tier generous, Pro $25/mo

Features:

  • PostgreSQL database (full SQL)
  • Row-level security
  • Real-time subscriptions
  • Auth with social providers
  • Edge functions
  • Storage with CDN
  • Auto-generated APIs

Strengths:

  • Open source (no lock-in)
  • SQL power (joins, views, functions)
  • Great free tier
  • Active development

Limitations:

  • Newer than Firebase
  • Smaller ecosystem
  • Some features in beta

Best for: SaaS apps, data-heavy apps, developers who know SQL

2. Firebase

Best for: Mobile apps, Google integration Pricing: Generous free tier, pay-as-you-go

Features:

  • Firestore (NoSQL database)
  • Realtime Database
  • Authentication
  • Cloud Functions
  • Hosting
  • Analytics
  • Crashlytics
  • Push notifications

Strengths:

  • Battle-tested at scale
  • Excellent mobile SDKs
  • Google Cloud integration
  • Huge ecosystem

Limitations:

  • NoSQL limitations (no joins)
  • Vendor lock-in
  • Costs can spike unpredictably
  • Complex pricing

Best for: Mobile apps, real-time apps, Google ecosystem users

3. Appwrite

Best for: Self-hosting, Docker fans Pricing: Free (self-hosted), Cloud from $15/mo

Features:

  • Database (collections)
  • Authentication
  • Storage
  • Functions
  • Realtime
  • Self-hosted option

Strengths:

  • Full control (self-host)
  • Simple pricing
  • Good documentation
  • Active community

Limitations:

  • Smaller ecosystem
  • Self-hosting complexity
  • Fewer integrations

Best for: Teams wanting control, privacy-focused apps

4. PocketBase

Best for: Simple projects, Go developers Pricing: Free (self-hosted)

Features:

  • SQLite database
  • Auth
  • File storage
  • Realtime
  • Single executable

Strengths:

  • Incredibly simple
  • Single file deployment
  • Fast and lightweight
  • No external dependencies

Limitations:

  • SQLite limitations
  • Self-host only
  • Smaller scale

Best for: Side projects, internal tools, small apps

5. Convex

Best for: Real-time first apps Pricing: Free tier, Pro $25/mo

Features:

  • Real-time by default
  • TypeScript functions
  • Automatic caching
  • ACID transactions
  • Built-in scheduling

Strengths:

  • Best real-time experience
  • Great developer experience
  • TypeScript throughout
  • Smart caching

Limitations:

  • Newer platform
  • Different mental model
  • Vendor lock-in

Best for: Collaborative apps, real-time features

Comparison Table

| Feature | Supabase | Firebase | Appwrite | PocketBase | Convex | |---------|----------|----------|----------|------------|--------| | Database | PostgreSQL | NoSQL | NoSQL | SQLite | Custom | | Real-time | ✅ | ✅ | ✅ | ✅ | ✅ | | Auth | ✅ | ✅ | ✅ | ✅ | ✅ | | Functions | Edge | Cloud | ✅ | ❌ | ✅ | | Storage | ✅ | ✅ | ✅ | ✅ | ✅ | | Self-host | ✅ | ❌ | ✅ | ✅ | ❌ | | Open source | ✅ | ❌ | ✅ | ✅ | ❌ |

Choosing the Right BaaS

Choose Supabase if:

  • You prefer SQL databases
  • You want open source
  • You're building a SaaS
  • You need complex queries

Choose Firebase if:

  • You're building mobile apps
  • You need push notifications
  • You're in the Google ecosystem
  • Real-time is critical

Choose Appwrite if:

  • You want to self-host
  • You need data sovereignty
  • You prefer simpler pricing

Choose PocketBase if:

  • It's a side project
  • You want maximum simplicity
  • You can self-host

Choose Convex if:

  • Real-time is core to your app
  • You love TypeScript
  • You're building collaborative features

Spawned + Supabase

Spawned uses Supabase for backend integration. When building on Spawned, you get:

  • Automatic Supabase setup
  • Auth integration built-in
  • Database schema generation
  • Row-level security
  • Edge functions when needed

Just describe your data needs and Spawned configures Supabase appropriately.

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