Head-to-Head Comparison · Alternative to Supabase · 🛠️ dev tools
Supabase vs Zitadel
ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options. Here is how Zitadel ($0/mo open source) stacks up against Supabase ($25/mo) across cost, hosting, data privacy, and real-world trade-offs.
Zitadel is a verified AGPL-3.0-licensed open-source replacement for Supabase. Switching from Supabase ($25/mo) saves $300/yr per solo seat, or $1,500/yr for a 5-person team. Deployment: Runs on Self-host.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Auth0.
Supabase vs Zitadel Specifications
facts verified 2026-11-07
| Dimension | Supabase (Paid) | Zitadel (Replacement) |
|---|---|---|
| Monthly Price | $25 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $300 / yr | $0 / yr (Save $300) |
| 1-Year Cost (5 seats) | $1,500 / yr | $0 / yr (Save $1,500) |
| 1-Year Cost (10 seats) | $3,000 / yr | $0 / yr (Save $3,000) |
| Source & License | Proprietary SaaS | open source AGPL-3.0 |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hosteddocker to self-host |
| GitHub Stars | — | ★ 15.5k (active nov 2026) |
Deep Dive: Switching from Supabase to Zitadel
Trade-offs, installation & data architecture
What you trade away
Requires self-hosting setup, updates, and server maintenance compared to managed Auth0.
How to deploy Zitadel
Clone https://github.com/zitadel/zitadel or deploy with Docker Compose
What it takes to run
Deploy via Docker or binary release from GitHub and configure environment variables.
Where your data lives
All application data and configuration live on your own server or local database.
Why fork Zitadel instead of vibe-coding a Supabase clone?
Instead of paying recurring SaaS fees for Supabase or rebuilding it from scratch, deploy one of the 18 battle-tested open-source alternatives like Appwrite.
Supabase vs Zitadel FAQ
Is Zitadel a good free alternative to Supabase?+
Yes. Zitadel is a verified open-source (AGPL-3.0) replacement for Supabase. ZITADEL provides a comprehensive identity management solution with easy APIs, customizable workflows, and serverless deployment options.
What is the catch when switching from Supabase to Zitadel?+
Requires self-hosting setup, updates, and server maintenance compared to managed Auth0.
How much do you save switching from Supabase to Zitadel?+
Supabase costs $25/mo ($300/yr) per seat, whereas Zitadel is $0/mo. Switching saves $300/yr for a solo user, $1,500/yr for a 5-person team, and $3,000/yr for a 10-person team.
How do I install or self-host Zitadel instead of Supabase?+
Install: Clone https://github.com/zitadel/zitadel or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.
