Focusky is an app for building presentations, available for free in its basic edition with the option to pay for additional upgrades. The app comes with a wide range of features, allowing you to build presentations using images, text, video files, 3D effects and more, with a number of different formats supported as output types. It is easy to use even for beginners, and its wealth of features make it a formidable alternative to better-known programs like PowerPoint.