If you're looking for a "free download," it's important to distinguish between the available versions on SimpleMind's official download page :

The best "free" option for desktop users. It offers 30 days of full Pro functionality for Windows and macOS with no registration required.

Differences between the free and the Pro edition - SimpleMind

SimpleMind Pro 2 isn't just about drawing lines; it’s a comprehensive organization tool.

The full, perpetual license version. If you are an existing customer from older versions, SimpleMind 2.0 was released as a free update . Top Features in SimpleMind Pro 2

A limited version available primarily for mobile (iOS/Android) that offers basic mind mapping functionality with no ads or registration.

Master Your Mind: Exploring SimpleMind Pro 2 for Windows and macOS

Whether you’re a student outlining a dissertation or a professional brainstorming your next big project, offers a powerful, intuitive environment to organize your thoughts. Unlike many modern tools that trap you in monthly subscriptions, SimpleMind Pro remains a reliable one-time purchase per platform, making it a favorite for those who value long-term utility without recurring fees. Getting Started: Free vs. Trial vs. Pro