You can download Foreign Exchange Tracker from the app store here.
This app will let multiple people keep track of their budgets when traveling overseas. You will be able to find a download link here in the future.
You can easily switch between currencies, so it doesn’t matter which countries you go to, we will convert them all for you.
But the main feature is that you can invite others to share your book as well, so you can all enter costs as you make them.