Rebuilt for newer iOS versions.

This version has a cool updated look.
The Increment and Decrement buttons are now more logically labelled plus and minus.
The code has been updated to adopt latest Swift technology.

Updated for latest iPhones and latest Swift.

SwiftConvert no longer has ads.
The font size for the number displays is now larger on larger iPhone screens.
Updated to latest version of Swift.

Binary mode now has buttons for NOT (flips all bits), shift left, shift right, decrement and increment. The last two buttons auto-repeat if held down.