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Convex vs hidane

Convex is a reactive backend database, not a drop-in Firestore emulator

Which to pick

Pick Convex if you want…

  • Reactive TypeScript backend with built-in AI support
  • Reactive TypeScript backend
  • Integrations with TypeScript, Node.js or Stripe (on Convex's list, not hidane's)

Pick hidane if you want…

  • Java-free Firestore emulation
  • A free, open-source tool
  • Integrations with firebase-admin (Node) (on hidane's list, not Convex's)

Side by side

What it is
Convex:Convex is a reactive, TypeScript-first backend platform offering database, functions, sync, search and AI-ready features.
hidane:hidane is a Rust-based Firestore emulator that runs without Java.
Best for
Convex:Reactive TypeScript backend with built-in AI support
hidane:Java-free Firestore emulation
Who it’s for
Convex:Developers building TypeScript apps, AI agents and real-time applications.
hidane:Developers needing a local Firestore emulator without a JDK.
Pricing
Convex:Freemium
hidane:Open source
Plans
Convex:Free $0 · Professional $25 per developer/month per month · Enterprise $2,500 monthly minimum per month
hidane:—
Open source
Convex:Yes, 12,633 GitHub stars
hidane:Yes, 3 GitHub stars
Works with
Convex:TypeScript, Node.js, Stripe, Twilio, PostHog, Workpool, Workflow, AI Gateway
hidane:firebase-admin (Node)

Convex features

  • Reactive database. ACID-compliant, type-safe database that updates clients in real time.
  • End-to-end type safety. Ensures TypeScript types are enforced across schema, functions and client code.
  • Automatic caching & scaling. Handles caching and scales automatically to support viral workloads.
  • Real-time sync. Pushes data changes instantly to all connected users.
  • Workpool background jobs. Runs model calls and jobs with retries, backoff and parallelism.
  • Workflow engine. Multi-step processes that checkpoint, retry and resume automatically.

hidane features

  • Single binary, no JVM. Runs as one Rust executable, eliminating the need for a Java runtime.
  • Millisecond startup. Starts in ~5.5 ms and uses only 7.4 MiB of memory.
  • Full protocol support. Implements gRPC, REST and WebChannel on a single port for all SDKs.
  • Export/Import compatibility. Exports and imports data in the official emulator format.
  • Parity testing. Validated against 28 recorded fixtures to match official emulator responses.
  • Multiple install methods. Available via curl script, Homebrew, npm, cargo, Docker and binary releases.

Convex vs hidane FAQ

Is Convex or hidane free?+

Convex has a free plan and paid plans. hidane is free and open source.

Is Convex or hidane open source?+

Yes, both are open source: Convex (get-convex/convex-backend on GitHub) and hidane (hidane-dev/hidane on GitHub, Apache-2.0 license).

Do Convex and hidane integrate with the same tools?+

Their integration lists don't overlap: Convex lists TypeScript, Node.js, Stripe, Twilio and 4 more; hidane lists firebase-admin (Node).

On DevHunt

hidane

1 upvote · Launching on DevHunt on Oct 13, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.