Klok is a time zone converter widget that sits in your Today view and helps you stay on time with people you care about in different time zones. Quickly glance and convert time by swiping down from anywhere, your phone doesn't even have to be unlocked. 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!