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InstantDB

InstantDB is a client-side database designed to simplify backend development for frontend engineers.

Free tierPrice verified 2026-10-01Visit site ↗
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Our verdict

Who it's for

Build delightful apps in less than 10 minutes with a batteries-included client-side database.

Who should look elsewhere

May require learning a new SDK/paradigm for developers accustomed to traditional backends

Pros

  • +Significantly reduces backend development time for frontend developers
  • +Provides a comprehensive suite of backend features in one SDK
  • +Enables real-time and collaborative app experiences easily
  • +Built-in offline support improves user experience and app availability
  • +Handles complex data operations like optimistic updates automatically

Cons

  • −May require learning a new SDK/paradigm for developers accustomed to traditional backends
  • −Reliance on a third-party service for core backend functionality

Key features

  • ✓Client-side database with SDK
  • ✓Queries and transactions
  • ✓User authentication
  • ✓Permissions management
  • ✓File storage
  • ✓Real-time updates by default
  • ✓Offline mode with local caching and reconciliation
  • ✓Optimistic updates and rollbacks handled automatically

Pricing

PlanPriceBillingNotes
Free$0monthUnlimited API requests; 1GB database space; Community Support
Pro$30monthEverything in the Free plan; 10GB database space (then $0.125 per GB); Priority Support
Startup$600monthEverything in the Pro plan; 250GB database space (then $0.125 per GB); Slack support
Enterprise—monthEverything in the Startup plan; Premium Support; Uptime SLAs

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