ChartDB vs Supabase: Which is Better in 2026?
A comprehensive comparison of ChartDB and Supabase covering features, pricing, use cases, and which tool is the right choice for your needs.
⚡ Quick Verdict
Choose ChartDB if:
- →You need a broader feature set (8 features vs 6)
- →You need one query in, full er diagram out — no database access required or ai agent generates editable er diagrams from a prompt
Choose Supabase if:
- →You need postgresql database or pgvector embeddings
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ChartDB vs Supabase: At a Glance
Pricing Comparison: ChartDB vs Supabase
Understanding the pricing differences between ChartDB and Supabase is crucial for making the right choice. Here's how their plans compare side by side.
💡 Pricing takeaway: Both ChartDB and Supabase offer free tiers, making it easy to try before you buy. Compare the specific plans to find the best value for your use case.
Feature-by-Feature Comparison
Here's how every feature from ChartDB and Supabase stacks up.
What Makes Each Tool Unique
🔵 Unique to ChartDB
Features available in ChartDB but not in Supabase:
- ✓One query in, full ER diagram out — no database access required
- ✓AI agent generates editable ER diagrams from a prompt
- ✓Export clean DDL in your preferred SQL dialect
- ✓Automatic sync with a live database
- ✓Schema diffs and version history
- ✓Real-time multiplayer editing
- ✓Embeddable, customizable schema documentation
- ✓Open source and self-hostable
🟣 Unique to Supabase
Features available in Supabase but not in ChartDB:
- ✓PostgreSQL database
- ✓pgvector embeddings
- ✓Auth & row-level security
- ✓Edge Functions
- ✓Realtime subscriptions
- ✓File storage
Use Case Recommendations
Best for: ChartDB
ChartDB is a database schema visualization and data modeling tool that produces an editable entity-relationship diagram from your existing database without ever needing direct database access from ChartDB itself. You run a single provided query against your database, paste the result, and get a full diagram in roughly fifteen seconds — which is the key adoption detail, because it means the tool can be used against production schemas without opening a network path or handing over credentials. From there you can edit the diagram, export clean DDL scripts in your preferred SQL dialect, keep the diagram automatically in sync with a live database, and track schema changes over time through diffs and version history. An AI agent layer generates fully editable, optimized ER diagrams from a plain-language prompt, so a new schema can be sketched conversationally and then refined visually. Collaboration is real-time: teammates can be invited to view and edit the same diagram simultaneously, and diagrams can be exported as customizable, embeddable documentation for any schema. The project is open source with over 19,000 GitHub stars and can be self-hosted for teams that need full control over data and setup, or used as a hosted cloud service when ease of access matters more.
Ideal use cases:
- •Teams or individuals who need one query in, full er diagram out — no database access required
- •Teams or individuals who need ai agent generates editable er diagrams from a prompt
- •Teams or individuals who need export clean ddl in your preferred sql dialect
- •Teams or individuals who need automatic sync with a live database
- •Anyone focused on database workflows
- •Anyone focused on er diagram workflows
Best for: Supabase
Open-source Firebase alternative with built-in pgvector for AI applications. Supabase provides a PostgreSQL database, authentication, storage, and vector embeddings for building AI-powered apps.
Ideal use cases:
- •Teams or individuals who need postgresql database
- •Teams or individuals who need pgvector embeddings
- •Teams or individuals who need auth & row-level security
- •Teams or individuals who need edge functions
- •Anyone focused on database workflows
- •Anyone focused on backend workflows
📊 Other Data & Analytics Tools to Consider
ChartDB and Supabase aren't the only options. Here are other popular tools in the same space:
Databricks AI
Enterprise AI and data lakehouse platform
Akkio
No-code predictive AI for business analysts
Hex
Data workspace with AI analysis and apps
MindsDB
AI layer for databases with SQL ML
Obviously AI
No-code ML platform for predictions
Julius AI
Chat with your data for instant analysis
Is one of these your tool?
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Frequently Asked Questions
Is ChartDB better than Supabase?
It depends on your needs. ChartDB offers 8 key features including One query in, full ER diagram out — no database access required and AI agent generates editable ER diagrams from a prompt, while Supabase provides 6 features including PostgreSQL database and pgvector embeddings. ChartDB uses a freemium model with a free tier, while Supabase is freemium with free access available. Choose based on which features and pricing model align with your requirements.
Is ChartDB cheaper than Supabase?
Both tools are similarly priced, starting at $25/month. Both tools offer free tiers, so you can try each before committing. Always check the official websites for the most current pricing.
Can I use ChartDB and Supabase together?
Yes, many users combine ChartDB and Supabase in their workflow. ChartDB excels at one query in, full er diagram out — no database access required, while Supabase shines with postgresql database. Using both allows you to leverage the strengths of each tool, though this means managing two subscriptions — though free tiers can help manage costs.
What's the main difference between ChartDB and Supabase?
While both are data & analytics tools, ChartDB emphasizes one query in, full er diagram out — no database access required, whereas Supabase is known for postgresql database. The best choice depends on your specific workflow and feature priorities.
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