Notability is a simple yet powerful note-taking app that allows you to easily create and organize your notes. It works with the Mac, iPhone, and iPad, and you can also sync your notes across all your devices. It is perfect for creating and organizing your thoughts.

The app has a beautiful interface that is easy to use and it allows you to create notes in the form of text, voice memos, or handwritten notes. It is a great way to keep track of your ideas and make sure you never forget anything. You can also easily search your notes by keywords, tags, or the date they were created.

There is a free version that includes basic features. The Pro version is more than just a simple note-taking app. It has many more features, including the ability to easily create mind maps, share your notes, and create a beautiful PDF document.