Collate is a spreadsheet program for iPhones. It allows you to manipulate and edit your spreadsheets easily, sending out forms for your audience to fill in, and collate them into one sheet. It opens and saves in the Comma-Separated Values format, aka CSV.
With Collate, you can manipulate your spreadsheets easily via insert, edit, delete, transpose, copy and paste, search, etc.
To view your spreadsheets in Collate, simply save them in the csv format via Excel, OpenOffice, Numbers, etc, then email to yourself or send it to the phone via iTunes.