No cardNo end date

Supabase free tier

Open-source backend built on Postgres, with auth, storage and edge functions.

Checked against Supabase's official pages on 1 Nov 2026. Free tiers change, so confirm before you commit.

What Supabase's free plan gives you

2 free projects, each with a 500 MB Postgres database, 1 GB file storage, 50,000 monthly users and 500K edge function calls.

Supabase free plan limits
Limit	Free plan
Projects	2 active
Database	500 MB per project
File storage	1 GB
Egress	5 GB + 5 GB cached
Auth	50,000 MAU
Edge functions	500,000 invocations

The catch

Free projects pause after a week without activity.

Pros and cons

Good

Real Postgres
Auth, storage and realtime included
Open source, can self-host

Watch out

Pauses when idle
Only 2 free projects
500 MB database

How to start on Supabase

1
Sign up with GitHub at supabase.com
2
Create a new project and pick a region
3
Copy the project URL and anon key
4
Install supabase-js in your app
5
Build tables in the Table Editor

Supabase compared

Supabase: questions

Is Supabase free?

2 free projects, each with a 500 MB Postgres database, 1 GB file storage, 50,000 monthly users and 500K edge function calls. Free plan ends: Never.

Does Supabase need a credit card?

No, you can sign up for Supabase's free plan without a card.

What is the catch with Supabase's free plan?

Free projects pause after a week without activity.

Can I use my own domain on Supabase for free?

No, connecting your own domain needs a paid plan. The free plan gives you *.supabase.co (API URL).

What are the best free alternatives to Supabase?

Cloudflare D1, Firebase (Spark plan), Turso. Compare their limits on this page or open each one for details.

Alternatives to Supabase

Cloudflare D1
Serverless SQLite
100
SQLite databases that run alongside Cloudflare Workers on the free Workers plan.
Databases
10
Storage
5 GB total
Row reads
5M / day
The catch: Only 100,000 row writes per day, which resets daily.
No cardNo end date
Paid from $5/mo (Workers Paid)
Firebase (Spark plan)
BaaS + hosting
100
Google's app backend: static hosting, auth and Firestore on the free Spark plan.
Hosting
10 GB storage, 360 MB/day transfer
Firestore
1 GiB, 50K reads / 20K writes per day
Realtime DB
1 GB, 100 connections
The catch: Cloud Functions, App Hosting and (for new projects) Cloud Storage need the pay-as-you-go Blaze plan.
No cardNo end date
Paid from Usage-based
Turso
Edge SQLite
92
Hosted SQLite (libSQL) with many small databases and edge replicas.
Databases
100
Storage
5 GB
Row reads
500M / month
The catch: Only one day of point-in-time restore on the free plan.
No cardNo end date
Paid from $4.99/mo (Developer)
Upstash
Serverless Redis
92
Serverless Redis you call over HTTP, priced per request.
Data size
250 MB
Commands
500K / month
Bandwidth
10 GB / month
The catch: 500K commands a month runs out fast if you poll or cache every request.
No cardNo end date
Paid from $10/mo (Fixed 250 MB (or pay as you go $0.20 per 100K commands))
MongoDB Atlas
Managed MongoDB
87
Hosted MongoDB with a free shared cluster that has no end date.
Storage
512 MB
Throughput
Up to 100 ops/sec
Connections
500
The catch: 512 MB fills quickly, and there is a 100 ops/sec cap.
No cardNo end dateSleeps when idle
Paid from Usage-based
Neon
Serverless Postgres
87
Serverless Postgres with branching that scales to zero when unused.
Compute
100 CU-hours / project / month, up to 2 CU (8 GB RAM)
Storage
1 GB per project, 20 GB total
Projects
100
The catch: Only 1 GB of storage per project.
No cardNo end dateSleeps when idle
Paid from Usage-based

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