iButton - augmentation standard address book with its own handy dialer. You can save contacts separate from standart address book and customize the call buttons, group contacts at your convenience. iButton are users around the world. It became popular for its intuitive interface, ease and functionality.
BENEFITS
beautiful design
convenient dialing
buttons for quick access, messaging, and email
password protection, you can hide contacts from unwanted eyes
a group of contacts, store contacts as you want it
WHY CHOOSE iButton
right contacts are always at hand
convenient grouping of contacts
storage of contacts separately from stanadartnoy address book
backup and restore contacts