Evernote

    Evernote is a note taking organizing, and archiving.  The app allows users to create a "note" which can be a piece of formatted text, a full webpage or webpage excerpt, a photograph, a voice memo, or a handwritten note. Notes can also have file attachments. 
    Evernote supports a number of operating system platforms, OS X, iOS,Chrome OS, Android, Microsoft Windows,Windows Phone, BlackBerry 10, and webOS) also offers online synchronization and backup.             
   Evernote is available free and paid versions. Basic customers can upload 60MB of data each month. Plus customers get a 1GB upload limit, offline notes on mobile devices, as well as passcode lock for mobile devices. Emails can also be sent to their Evernote account. Premium subscribers are granted 10GB of new uploaded data every month, faster word recognition in images, heightened security, PDF annotation, Context, and the ability to search text within PDF documents. 
    Evernote has alternatives such as OneNote and Google Keep. If your looking
for an note taking app, Evernote is the one, a keeper.