While the Final Four #AppMadness tourney didn't have a billion dollar "perfect bracket challenge" associated with it, it did have over 1,400 voters and interested educators from around the world. So with that, iPaddiction will provide you with multiple resources to inform you about the Final Four apps.
In one match up:
Google Drive:
PicCollage:
In another match up:
Explain Everything:
Evernote: