Leonardo is a digital painting tool for professional artists. It offers a complete range of features that make painting fast, fun, and easy. Its unique brush engine lets you create beautiful and complex strokes, while its powerful brush customization tool lets you create your own brushes to paint with. You can also create your own templates to paint on, save your work in high resolution, and share your creations with the world. The app is available in a free version and a premium version. The premium version is the one to get if you want the full range of features. The app is compatible with Windows, macOS, and Linux. The premium version is also available on iOS and Android. For Mac users, Leonardo is available as a subscription app, which gives you access to all of the premium features for a monthly fee. You can also buy the app for a one-time fee and unlock all of the premium features.