Klok is a world time converter making modern, global lives simpler. The recently launched Klok iOS app has already garnered 40,000 downloads! And here's whys

1) It lets you convert time for all time zones!
2) The interface is simple, fancy-free and very intuitive to use
3) You can set it up as a widget in your Today view for a quick look.
4) The widget opens even if the phone is locked!
5) You can schedule conference calls, online meet ups and chats across different time zones at an hour convenient to you and the receiving party.
6) It's totally free!