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Head-to-head · Databases And Backend

Firestore vs Supabase

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Firestore #7 in Databases And Backend 8.7/10 Free plan Free plan✓ 0 of 4 features Visit Firestore
Supabase #8 in Databases And Backend 8.6/10 Free plan Free plan✓ 0 of 4 features Visit Supabase

Firestore leads on 0 checks, Supabase on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFirestore · 8.7/10
  • Free planboth

Firestore scores higher on our rubric for databases and backend: 8.7 against 8.6 out of 10; our editors rank them #7 and #8.

Firestore is the better fit for apps needing synced, offline-capable document data. Supabase is the better fit for developers seeking a Postgres-centered app backend.

  • Firestore fits best

    Apps needing synced, offline-capable document data

  • Supabase fits best

    Developers seeking a Postgres-centered app backend

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Firestore 8.7/10 Visit ↗ Supabase 8.6/10 Visit ↗
At a glance
Editor score 8.7 8.6
Ranking #7 in Databases And Backend #8 in Databases And Backend
Best for Apps needing synced, offline-capable document data Developers seeking a Postgres-centered app backend
Pricing model Free plan + paid Free plan + paid
Starting price — $25/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web, iOS, Android Web
Features Firestore 0/4 · Supabase 0/4
Built-in auth Not checked yet Not checked yet
Realtime data sync Not checked yet Not checked yet
Serverless functions Not checked yet Not checked yet
File storage Not checked yet Not checked yet
Specs
Database model Not checked yet Not checked yet
Deployment model Not checked yet Not checked yet
API style Not checked yet Not checked yet
Our review
Pros
  • Real-time listeners pair with offline data access and synchronization.
  • Atomic batched writes and ACID transactions support coordinated updates.
  • Vector similarity search is available alongside expressive document queries.
  • Dedicated Postgres with generated REST and GraphQL APIs
  • Combines authentication, Edge Functions, realtime, and file storage
  • Offers point-in-time recovery and read replicas across regions
Cons
  • Usage-based pricing can make costs vary with reads, writes, deletes, and storage.
  • Cloud-only deployment does not suit teams seeking another deployment model.
  • Support channels are limited to community resources and documentation.
  • Free projects are limited to 500 MB database size and 5 GB egress
  • Compute and disk sizing controls require manual scaling
  • Team starts at $599 per month, above the $25 Pro plan
Our verdict

Firestore is a managed, cloud-hosted NoSQL document database for mobile, web, and server applications. Its schemaless documents and collections support nested objects and subcollections, while queries can filter, sort, and limit results.…

Read the review →

Supabase brings a dedicated Postgres database together with generated REST and GraphQL APIs, authentication with Row Level Security, Edge Functions, realtime data synchronization, and file storage. It is aimed at developers and teams…

Read the review →
  1. FirestoreDatabases And Backend 8.7Free plan
  2. SupabaseDatabases And Backend 8.6Free plan

Strengths and trade-offs

  • Firestore — where it wins

    • Real-time listeners pair with offline data access and synchronization.
    • Atomic batched writes and ACID transactions support coordinated updates.
    • Vector similarity search is available alongside expressive document queries.

    Where it doesn't

    • Usage-based pricing can make costs vary with reads, writes, deletes, and storage.
    • Cloud-only deployment does not suit teams seeking another deployment model.
    • Support channels are limited to community resources and documentation.

  • Supabase — where it wins

    • Dedicated Postgres with generated REST and GraphQL APIs
    • Combines authentication, Edge Functions, realtime, and file storage
    • Offers point-in-time recovery and read replicas across regions

    Where it doesn't

    • Free projects are limited to 500 MB database size and 5 GB egress
    • Compute and disk sizing controls require manual scaling
    • Team starts at $599 per month, above the $25 Pro plan
  • Firestore8.7/10 · Free plan

    A cloud document database with real-time sync, offline access, transactions, and usage-based pricing.

    Visit FirestoreFull verdict →
  • Supabase8.6/10 · Free plan

    A Postgres-centered backend that bundles data APIs, auth, functions, realtime, and storage.

    Visit SupabaseFull verdict →

More comparisons

All databases and backend comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update