This would not be a simple solution, but you can use a rotated (horizontal) UITableView inside each cell of the table (vertical), just like the Pulse application. Using only shortcuts simplifies management, but viewing "excel" may be more difficult if you plan to handle events such as row selection, sorting ...
Here are two tutorials on using horizontal tables (http://www.raywenderlich.com/):
part 1 - part 2
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