Appsmith vs Supabase
Appsmith and Supabase are both popular tools in the No-Code / Low-Code AI space. Appsmith uses a open-source model starting at Free, while Supabase is freemium from Free. Both offer a free tier to get started. Below we break down features, pricing, strengths, and weaknesses to help you decide which tool fits your workflow best.
Last updated: March 2026
Quick Verdict
Choose Appsmith if you want open-source platform for building internal tools and admin panels.. Appsmith's biggest strengths include free and open-source with self-hosting option and connects to virtually any data source. Choose Supabase if you prefer the open-source firebase alternative with ai-powered sql generation.. Key advantages include generous free tier with real postgresql database and open-source with option to self-host. It's also rated higher (4.8 vs 4.0).
Open-source platform for building internal tools and admin panels.
The open-source Firebase alternative with AI-powered SQL generation.
| Appsmith | Supabase | |
|---|---|---|
| Pricing | Free | Free |
| Free Tier | Yes | Yes |
| Pricing Model | Open-source | Freemium |
| Rating | ★ 4.0 | ★ 4.8 |
| Categories | No-Code / Low-Code AI | Database & SQL Tools, No-Code / Low-Code AI |
| Key Features | 6 features | 6 features |
| Feature | Appsmith | Supabase |
|---|---|---|
| Open-source drag-and-drop tool builder | ✓ | — |
| Connect to any database or REST/GraphQL API | ✓ | — |
| Pre-built widgets for tables, forms, charts | ✓ | — |
| Custom JavaScript for business logic | ✓ | — |
| Self-hosted or cloud deployment | ✓ | — |
| Git version control for apps | ✓ | — |
| PostgreSQL database with automatic API generation | — | ✓ |
| AI SQL editor for natural language queries | — | ✓ |
| Authentication with 20+ social providers | — | ✓ |
| Real-time subscriptions via WebSockets | — | ✓ |
| Edge functions for serverless compute | — | ✓ |
| S3-compatible object storage | — | ✓ |
Appsmith
Pros
- + Free and open-source with self-hosting option
- + Connects to virtually any data source
- + Git integration enables version control for apps
- + Strong community with active development
Cons
- − Steeper learning curve than simpler no-code tools
- − Self-hosting requires infrastructure management
- − Advanced features less polished than Retool
Supabase
Pros
- + Generous free tier with real PostgreSQL database
- + Open-source with option to self-host
- + AI SQL editor makes database queries accessible
- + Excellent developer experience and documentation
Cons
- − PostgreSQL only — no NoSQL option
- − Free tier pauses inactive projects after 1 week
- − Some features still maturing compared to Firebase
The Bottom Line
Choose Appsmith if: you want open-source platform for building internal tools and admin panels.. It's completely free to use. Keep in mind: steeper learning curve than simpler no-code tools.
Choose Supabase if: you prefer the open-source firebase alternative with ai-powered sql generation.. It's completely free to use. It holds a higher user rating (4.8 vs 4.0). Keep in mind: postgresql only — no nosql option.
Both tools compete in the No-Code / Low-Code AI space. The right choice depends on your specific needs, team size, and budget.
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