The compact Braven 570 speaker allows you to use Bluetooth to wirelessly stream music from your phone. It also allows you to use it as a speaker and noise canceling microphone for voice conversations. Finally, it can recharge your phone or MP3 player.

Need a note taker? Vern Seward takes a look at three that are unique and free in this week's Free on iTunes. MyScript Memo, MyScript Calculator and Documents.

Vern Seward gives your grey matter a workout with three great brain teaser apps in this week's Free on iTunes. 94 Seconds, Clockwork Brain, and Chain of Thought.

The Cally app for iOS is a units and currency converter plus a scientific calculator. It is brilliant at conversions, but flubs badly as a calculator. John Martellaro explains why the calculator part needs a complete overhaul.

Like your news more social? Vern Seward point out 3 iOS apps that should fit the bill in this week's Free on iTunes. News Republic, Thirst, and Rockmelt. Check it out.

Sometimes an iOS app is so nicely done for a particular discipline that it becomes, perhaps, the quintessential app of its kind.  Nav Clock is one of those. No pilot, astronomer, photographer, journalist, hiker or anyone interested in location coordinates, time and weather should be without it.

Like comics? Vern Seward points out three great comics readers for iOS in this week's Free on iTunes. NARR8, Emanata Comics, and Marvel Comics.

Apple's lawsuit dance ticket has yet another entry, this time from Tina King who is suing the company over claims that her iPod touch exploded and burned her face. She is asking for US$7,500 in damages and said she spent $600 in medical expenses after the incident.

Amazon is warning its iPhone, iPad and iPod touch Kindle app users to skip the version 3.6.1 update because it deletes purchases from the app. Users that already installed the update can re-download their missing ebooks, and the company said a new update is on the way.

Clarm for iOS is a Universal app that features date, time, weather and alarms, all overlaid on drop-dead gorgeous photographic backgrounds. However, for a beautiful and simple app, it also has several serious weaknesses.