Free vs Pro

Start free. Add the complete Pro workflow when you need it.

Free covers core SQL workflows. Pro adds advanced development, delivery and AI/MCP tools. A Pro license does not make an unsupported engine feature available.

Supported databases

Oracle Database

Service names, SIDs, TNS and wallets, plus PL/SQL, debugging and APEX/ORDS tooling.

Connection guide

PostgreSQL

Connect to PostgreSQL or Supabase, browse schemas and run SQL worksheets.

Connection guide

MySQL

A dedicated MySQL adapter for connections, SQL worksheets and query results.

Connection guide

MariaDB

A dedicated MariaDB adapter, separate from MySQL, with SQL worksheets and results.

Connection guide

SQLite

Open a local database file, with no server or port, and query it from VS Code.

Connection guide

Microsoft SQL Server

Connect with SQL logins and encryption settings, then run T-SQL worksheets.

Connection guide

Feature availability

Plan comparison

Save time and build with AI in Pro

Database support does not imply identical features. Connections and SQL worksheets are the starting point; editing, DDL, modeling, transfers, administration and AI operations depend on the engine and workflow. Check the installed version and the relevant guide before relying on an advanced operation.

Free No login required

Pro

Free

Pro

Core database workflow

SQL and PL/SQL editing

Syntax highlighting, formatting, symbols, and navigation

Built-in snippets and custom snippets

Connection tree, object browsing, and source opening

Online cross-schema autocomplete

Worksheets, execution, transactions, and DBMS_OUTPUT

Pagination and standard SQL result grids

Edit simple query results directly in SQL Results

Object editing with full IntelliSense support

Live database code and object search in one connection

Offline development

Open and edit offline SQL/PLSQL files

Nexo autocomplete for offline files and projects

Live offline validation, linting, compiler diagnostics, and compile workflows

Offline object/project generation and synchronization

Delivery and operations

DB Manager and administration

Database comparison, DDL comparison, and migrations

Deployments, backups, and repeatable delivery

Remote file explorer and synchronization — SFTP, FTPS, and S3-compatible storage

Docker and local Oracle environment management

Object locking, history, batch changes, and advanced maintenance

Professional workflows

AI assistants, agent workflows, MCP, and MCP companion capabilities

Fine-grained per-connection MCP read/write access with delete and drop safeguards

Optional confirmation policies for reads and sensitive MCP operations

AI-assisted PL/SQL debugging via MCP companion

AI SQL optimizer with explain plans, runtime validation, and iterative rewrites

Data Modeler

SQL Results gallery view

API Client, advanced parallel data transfers, and APEX/ORDS

utPLSQL tests, debugging, and portable packs

Advanced results, multi-connection workflows, and BLOB tools

Live code and object search across folders and multiple connections

Data search across tables

SQL Load Tester

Query Builder

Access and support

Use Free without login

One all-inclusive Pro license

Install Free

Try Pro for free

Install Nexo SQL Studio and start with Free. Activate the single all-inclusive Pro license when you need the professional workflow. No credit card required.

Try Pro for free See all Pro capabilities