PlanMaker is a comprehensive Office spreadsheet program designed for iPhone users. With this app, you can work on your Excel spreadsheets wherever and whenever you want. The program offers a feature set that rivals what you would find on your PC or Mac, ensuring that you have all the tools you need on the go.

One of the standout features of PlanMaker is its compatibility with Microsoft Excel. It uses the Microsoft Office XLSX format as its native format, allowing for seamless data exchange. You can open your spreadsheets directly in Microsoft Excel without any need for conversion.

The user interface of PlanMaker is intuitive and optimized for iPhone and iPad users. Whether you're using it on your iPhone or iPad, you'll have an ideal user experience. On an iPhone, you can easily navigate through the practical toolbars with just one finger. On an iPad, you'll find ribbons similar to those on your Mac or PC.

PlanMaker also offers convenient file storage options. You can open and save documents stored on your device, as well as access your files in iCloud, Dropbox, OneDrive, and other cloud storage services.

The program supports multiple languages, including English, German, French, Spanish, Italian, and more.

Overall, PlanMaker brings the features of a desktop spreadsheet program to your iPhone and iPad, ensuring that you don't have to settle for less when working on the go.