Apple iPhone calculators now have a currency conversion feature with the iOS 18 update and it’s really handy. The convenient and relatively hidden iPhone hack gives users the ability to ...

How to Use the Secret Notes App Built Into Your iPhone's Calculator Work out equations and draw graphs with this useful new tool.

If you need to convert currency while traveling but don't want to download yet another app to your iPhone, use this handy built-in conversion tool instead.

One advantage of this method is that you can use the calculator, or give your phone for someone else to use it, without unlocking your iPhone.