Signal is compatible with RedPhone, its Android sibling, and scrambles voice calls placed via the iPhone.
In this week's Mac app roundup, you'll find a duck that likes to move your data around, a phone that doesn't need dusting, and a tower that knows what happened to all your files.
Microsoft's Skype team said the new iPhone app version, due in a week, will finally be on a par with its Android and iOS counterparts. In particular, the pesky offline messaging bugs will be solved, the team promises.
Talking to a bunch of your buds just got a whole lot less costly for Skype users.
While Google has its own stagnant Google Voice client for iOS, GV Mobile + is a far superior offering, and it's Macworld senior editor Dan Moren's Staff Pick this week.
The Skype app on iOS offers a polished VoIP experience, with video chat to boot.
Skype soft-launched a video messaging service on Friday that allows its subscribers to deliver recorded clips to Skype contacts for playback when they come online.
How did TiVo, Skype, eBay, and others wind up with the names they did? JR Raphael has the answer.
Christopher Breen offers advice on recording calls on your iPhone.