Classic Notes Lite - Notepad is a free (but ad-supported) mobile notepad application. Its main feature is a minimalist notepad that seems simple but contains numerous additional features. For instance, you can revert a note to any point in its history, share notes through other apps, pin notes to your device's status bar and add notes as memos to apps like Google Calendar. The app also contains other features like unit converters, a random number generator and even a Morse Code function.