Zero Sync vs Supabase: Which is Better in 2026?
Choosing between Zero Sync and Supabase comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Supabase wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick Zero Sync if you need developer tools.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Zero Sync
Build absurdly fast web applications with instant queries and reactive UI by default.
Best for you if:
- • You want significantly improves web application performance and user experience
- • You want simplifies data synchronization and state management for developers
Supabase
Open source Firebase alternative
Best for you if:
- • You want full PostgreSQL access
- • You want generous free tier
| At a Glance | Zero Sync | Supabase |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Developer Tools | Data & Databases |
Rating | - | 4.6/5 |
Free plan | Yes | Yes |
Choose Zero Sync or Supabase?
Choose Zero Sync if
Build absurdly fast web applications with instant queries and reactive UI by default.
- You want significantly improves web application performance and user experience
- You want simplifies data synchronization and state management for developers
- Your work is developer tools-shaped, not data & databases-shaped
Choose Supabase if
Open source Firebase alternative
- You want full PostgreSQL access
- You want generous free tier
- Your work is data & databases-shaped, not developer tools-shaped
| Feature | Zero Sync | Supabase |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | ★4.6/5 233 reviews |
| Categories | Developer ToolsData & Databases | Data & DatabasesAPI Tools |
In-Depth Analysis
Zero Sync
Build absurdly fast web applications with instant queries and reactive UI by default.
Zero Sync's pricing is quite generous for developers, starting with a free open-source option.
Watch out
Additional storage at $0.20/GB adds up
Strengths
- +Significantly improves web application performance and user experience.
- +Simplifies data synchronization and state management for developers.
- +Provides full control over business logic and permissions on the server.
- +Open-source and self-hostable for flexibility.
- +Compatible with existing Postgres setups.
Weaknesses
- -Requires a Postgres database.
- -Managed service pricing can increase with additional storage and vCPUs.
- -Limited privileges for Rocicorp in BYOC model.
Key features
Supabase
Open source Firebase alternative
Supabase is the open-source Firebase alternative that developers actually want to use, Postgres database, authentication, storage, edge functions, and real-time subscriptions in one platform.
Watch out
Free projects pause after 7 days of inactivity: your app goes offline until someone visits it again. Not suitable for any production use, only for development and demos
Strengths
- +Full PostgreSQL access
- +Generous free tier
- +Open-source and self-hostable
- +Great developer experience
Weaknesses
- -Projects pause on free tier
- -Smaller ecosystem than Firebase
- -Less mature than alternatives
Key features
Pricing: Zero Sync vs Supabase
| Plan | Zero Sync | Supabase |
|---|---|---|
| Tier 1 | Free Open-source | $0 Free |
| Tier 2 | $30/mo Hobby | $25 Pro |
| Tier 3 | $300/mo Professional | $599 Team |
| Tier 4 | $1000/mo + AWS BYOC | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Zero Sync pricing and Supabase pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Zero Sync
Want the highest-rated option?
Supabase is rated 4.6/5. Zero Sync has no ratings yet.
Go with: Supabase
Value user reviews?
Zero Sync: no ratings yet. Supabase: 233 reviews (4.6/5).
Go with: Supabase
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Zero Sync is a developer tools tool. Supabase is in data & databases. Pick the category that matches your needs.
How important are ratings?
Supabase is rated 4.6/5; Zero Sync has no ratings yet.
Key Takeaways
Supabase
- Free tier available
- Our pick for this comparison
Zero Sync
- Better fit for developer tools
The Bottom Line
Supabase wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick.
Frequently Asked Questions
Is Zero Sync or Supabase better?
Supabase is rated in our evaluation. Both are freemium.
What are Zero Sync and Supabase used for?
Zero Sync: Build absurdly fast web applications with instant queries and reactive UI by default.. Supabase: Open source Firebase alternative.
What does Zero Sync cost vs Supabase?
Zero Sync is freemium (free tier + paid plans). Supabase is freemium (free tier + paid plans). Visit their websites for detailed pricing.