How do their growth rates compare?

ChartDB has a month-over-month growth rate of -33.4%; draft1.ai has +5.9%.

How does pricing compare?

ChartDB: Freemium. ChartDB offers a genuinely free open-source tier (self-hosted, AGPL) that includes all core features and up to two diagrams. Cloud plans run about US$25/month for a single user (Pro) and US$59/month for teams, with annual billing discounts of up to 40%. Custom enterprise pricing covers SAML SSO and granular permissions. draft1.ai: Paid. Free demo without signup plus 3 free diagrams with an account. Paid plans start at about $24/month for individuals, $32/month for professionals, and $99 per user/month for enterprise features such as GitHub version control and collaboration. No credit card is required for the free tier.

What are alternatives to ChartDB and draft1.ai?

Other tools in related categories include Napkin AI, Eraser, Edraw Software, Edraw.AI, AI2SQL.

ChartDB vs draft1.ai — Traffic (49.52K vs 5.52K), Pricing & Verdict

Open AI Tools

ChartDB vs draft1.ai — Traffic (49.52K vs 5.52K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	ChartDB	draft1.ai
Official Domain	chartdb.io	draft1.ai
Pricing Model	Freemium	Paid
Monthly Visits	49.52K (49,523)	5.52K (5,517)
MoM Traffic Delta	-24.87K (-33.4%)	+308 (+5.9%)
Primary Market & Share	🇺🇸 United States (12.1%)	🇺🇸 United States (34.3%)
Direct Visits / mo	19.95K	2.17K
User Rating	4.6	4.3
Supported Platforms	Website	Website

ChartDB

Open-source database diagram editor with AI-generated ER diagrams

One-query schema import

Paste a single read-only query result and ChartDB renders the whole schema as an ER diagram, with no direct database access or local agent required.

AI ER diagram generator

Describe a database idea in plain language and get a fully editable, optimized ER diagram that you can refine and export straight to SQL.

DDL and diagram export

Export clean DDL scripts in your preferred SQL dialect or download diagrams as images and embeddable previews for documentation.

Auto-sync and versioning

On Cloud plans, diagrams stay in sync with the live database automatically, with change logs and version history to track every schema drift.

Strengths & Pros

+Truly open source with a generous free self-hosted option and no database access needed
+Fast setup — a single query gets you a complete interactive diagram in seconds
+Broad DBMS coverage including PostgreSQL, MySQL, SQL Server, SQLite, ClickHouse, Snowflake, BigQuery, and Oracle
+AI generation works both ways: prompt-to-diagram and diagram-to-DDL