HelloStack

Best InstantDB Alternatives in 2026

4 similar tools you can use instead of InstantDB, with pricing and key features.

InstantDB

The best backend for AI-coded apps

  • CLI-first workflow
  • Real-time data and presence
  • End-to-end type safety
  • Undo for destructive actions
InstantDB screenshot

InstantDB alternatives

All-in-one cloud platform

Backend as a ServiceFree plan availableOpen Source
  • Authentication & User Management
  • Database & Storage
  • Functions & Serverless

The reactive database for app developers

Backend as a ServiceFree plan availableOpen Source
  • Everything is code
  • Always in sync
  • Backend built-ins

Postgres Backend to Build, Deploy & Scale

Backend as a ServiceFree plan availableOpen Source
  • PostgreSQL Database
  • GraphQL API
  • Authentication

Postgres development platform

Backend as a ServiceFree plan availableOpen SourceSelf-hosted
  • Postgres Database
  • Authentication & RLS
  • Instant APIs

Frequently Asked Questions

What is InstantDB?

InstantDB is a Backend as a Service tool: The best backend for AI-coded apps. It is open source. Key features include CLI-first workflow, Real-time data and presence, End-to-end type safety and Undo for destructive actions.

Are there free alternatives to InstantDB?

Yes. Appwrite, Convex, Nhost and Supabase have a free plan.

Is there another open-source alternative to InstantDB?

Yes. InstantDB is open source, and so are Appwrite, Convex, Nhost and Supabase.

Which InstantDB alternative can I self-host?

Supabase can be self-hosted.