Calculator Big Buttons Pro is a compact and efficient calculator app designed for iOS devices. With a mere 500K size, it stands out as the smallest calculator available in the market while boasting the largest buttons and a well-thought-out layout. Ideal for iPad mini, iPad, iPhone, and iPod touch users, this app offers convenience without hogging storage space.

The app provides essential features like the ability to copy results to the clipboard and offers five different skins to cater to various visual preferences. Whether you need a straightforward calculator for basic calculations or just prefer a user-friendly interface, Calculator Big Buttons Pro delivers simplicity and functionality in a small package.