Do you want to know how many kilometers is in a 100 miles? Or how much 100 euro is in US dollars tonight? Or how many days are left until Valentineâ€™s day? Well, thereâ€™s an app for that. Too often, you’ll find these tools available as individual downloads, hence using up precious icon space on your iDevice. But not always! Introducing AppBox Pro, the place to go to for all those things you do on your iPhone once a year.