While there are literally scores of different note-taking apps out there, here are the top three contenders: Apple Notes (free) One of the most valuable assets is its ability to replace paper notebooks of the past with much more powerful digital counterparts. Much more than a consumption device, the iPad is a staple for creating documents, managing spreadsheets, and handling many more daily tasks. Since the iPad first appeared on the market in 2010, it has become the tool of choice for millions of mobile professionals.