What IPad Apps should all university students be familiar with?

Robin is counting the days until Christmas. Maybe an IPad Air is in her future? If so, she needs apps.

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What Ipad Apps should all college and university students be familiar with? I posed that question to my student research team and here are the responses they shared with me on Google Drive.

What MUST-HAVE apps are they missing? Which apps in your experience are most useful for College/University students? What makes them useful to enhancing student success? Are these tools equally useful to faculty?