Matrixify

I am a software engineer myself and usually prefer to build my own apps rather than use those on the App Store because every time you get into edge case and need to do something tricky the app developers aren't there or their support team isn't on point.

Excelify is the exception. I took their support team 5 minutes to fix something that would probably have taken days with another app.

Excelify is easy to use and powerful. I will surely use this app in every store I build in the future.