| Price from | $25/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 8 | 1 |
| Spec score · Database Design Tools | 8.5 (#5) | 7.1 (#28) |
| Database support | The documentation lists PostgreSQL, MySQL, SQLite, SQL Server, MariaDB, ClickHouse, and CockroachDB as supported systems. | The FAQ says MySQL 8 is the available DDL target. |
| Exports | Diagrams can be exported as SQL, images, diagram JSON, and DBML. | Diagrams can be exported as MySQL 8 DDL, PNG images, or JSON files. |
| Intended users | ChartDB says it was built to help developers and product teams understand database schemas and create shareable diagrams. | The maker says the tool was designed in part for data modelling practices that use Barker notation and technical and human-readable names side by side. |
| Purpose | ChartDB is a database visualization and diagramming tool for visualizing, designing, and managing database schemas. | YourERD is an online tool for drawing entity-relationship diagrams in a browser. |
| Support | The free plan includes a community support forum, Pro lists 3-day email support, and Teams lists priority support. | Support is by email, and the contact page says there is no phone line or live chat. |