
Firebase
AppWrite
Vercel
Next.js
PocketBase.io
Railway
Hasura
An open source Firebase alternative
Keycloak
authentik
ZITADEL
Authelia
Hanko
AWS Identity and Access Management
Auth0
Single Sign-On for Your Self-Hosted Universe ๐โโฌ๐

Which is more popular?
Based on our record, Supabase seems to be more popular. It has been mentioned 555 times since March 2021.
Website, pricing, platforms and company facts side by side.
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VA
VoidAuth
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| Website | supabase.com | voidauth.app |
| Pricing | โ | |
| Company | Startup from the United States | โ |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Basic demo
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How often each product is chosen within a category, 0โ100% relative to the other.

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External articles and on-site reviews we used to compare the two products.

Supabase offers an open-source PostgreSQL backend that is tailored for developers with simplicity and scalability requirements. Its fully managed infrastructure aligned with integrated APIs makes it an excellent...
Supabase: An open-source BaaS alternative to Firebase, offering instant Postgres APIs, auth, edge functions, and growing AI-ready tooling. Ideal for modern dev teams but limited in orchestration and multi-agent flows.
Supabase makes it incredibly easy to migrate from Firebase. Its data structure and APIs are designed to feel familiar, so you can switch without a major learning curve. Plus, the open-source nature means you have...
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Recommendations tracked on public social media and blogs since March 2021.

Provision managed resources (Postgres, MongoDB, Kafka, RabbitMQ, etc.) from DigitalOcean, Supabase, Scaleway, AWS, or Google Cloud. It doesn't really matter which; they all offer good SLAs. - Source: dev.to / 1 day ago
Opus, zero nudges. Realised on its own that an abandoned signup never fires identify, triangulated the anonymous session from time, platform and registration events, decoded the PostHog replay blobs, confirmed the duplicate account in... - Source: dev.to / 2 months ago
Supabase is an open-source backend platform built around managed PostgreSQL. You get a database, auto-generated REST APIs (via PostgREST), Auth, file Storage, Realtime subscriptions, and Edge Functions - with a dashboard and SQL editor... - Source: dev.to / 4 months ago
Tracking VoidAuth since Jan 2026.
When comparing Supabase and VoidAuth, you can also consider the following products.

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
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Open Source Identity and Access Management for modern Applications and Services.
Compare Keycloak to Supabase or VoidAuth:

Appwrite provides web and mobile developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.
Compare AppWrite to Supabase or VoidAuth:

authentik is an open-source identity provider focused on flexibility and versatility.
Compare authentik to Supabase or VoidAuth:

Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration.
Compare Vercel to Supabase or VoidAuth:
