HiSQL - MySQL Client is a robust utility for Android users that streamlines the management of MySQL databases. It supports multiple MySQL connections and offers essential CRUD operations, making it suitable for both beginners and seasoned developers. Users can benefit from built-in SSH tunneling with various authentication methods, optional SSL connections for enhanced security, and features like Intellisense for code completion and SQL formatting to facilitate efficient database management. Furthermore, the app provides functionalities for viewing and exporting Entity-Relationship Diagrams (ERD) and explaining execution plans, making it a comprehensive tool for database administrators.

In addition to its basic features, HiSQL offers a Pro version through in-app purchases, which includes advanced capabilities such as exporting query results in multiple formats (CSV, JSON, SQL), a screen lock for added data protection, and support for various syntax highlighting themes. Users can also backup and restore scripts, ensuring that their work is secure and easily retrievable. The app's light/dark theme modes enhance usability, catering to user preferences.