The Spreadsheet App.

The Spreadsheet App is a fast, mobile spreadsheet tool designed for iPhone users. It delivers a clean interface, quick recalculations, and a rich set of features for data entry, visualization, and reporting. Create your own functions, drag-and-drop calculations, and export results to PDF with ease.

Key features include User-Defined Functions, interactive charts, undo/redo, and simple sharing. Use it for budgeting, expense tracking, analytics, and on-the-go planning without the hassle of traditional desktop spreadsheets.