The popular document-editing application for the iPad, DocAS, has recently received an update (to version 4.0). Now, users of the $4.99 app can enjoy taking advantage of a new handwriting engine, improved support for third party services, an improved user interface and many more exciting features.

We've seen it, you've seen it, the entire world has probably seen it by now. You know, that awful "this item is currently being modified" message that keeps rearing it's ugly head in the App Store. Well, it's about time we got to the bottom of this!

The AppAdvice app update is finally live!

Luminos ($2.99), the popular astronomy app, has recently received a major update and is now compatible with the iPhone and iPod touch, as well as with Apple's iPad.

Words With Friends HD ($2.99) has recently received an update. Now, fans of the popular word-game app can "remind" their opponents when they take too long to complete their turn. Furthermore, the new version of the application also features improved Facebook integration, and is all the more stabler thanks to a series of bug fixes.

The recently released Reckless Racing 2 (talk about a tongue-twister!) has received a bug-fixing update, which makes a number of improvements to the popular racing application and even adds a new song.

PaperKarma is looking to save the planet one junk mail at a time.

Droplr has risen from the ashes like a file sharing phoenix with the 2.0 release.

A brand-new, universal $0.99 app called "Aquarium HD TV" allows iOS device owners to stream a beautiful aquarium screensaver from their mobile device, to an Apple TV (via AirPlay).

After launching MSN UK for iPad in the UK App Store at the end of January, Microsoft has finally launched its MSN iPad app in the U.S. App Store.

Path has worked quickly and very hard to regain your trust, but is it enough?

The AppAdvice app gets an update rejected for the first time — because of Arnold Schwarzenegger?

The universal Evernote app recently received an update, adding a new feature - "predictive note titles" - and making a variety of performance improvements. The new version of the app (4.1.8) is available to download now in the App Store.

After launching a mobile app search iOS application back in March, Yahoo! has recently unveiled a Web-based version of its Yahoo! App Search service, which app-fans can access from a browser on their computer or mobile device.

QuickPix is a $1.99 universal iOS app that allows Apple fans to take digital images while shooting video on an iOS device.

SlideShark has recently updated its free iPad PowerPoint presentations app, adding support for a new collaborative online service called SlideShark Team Edition. Further changes include the ability to earn free storage via friend referrals, auto-advancing slides and sleep mode is now disabled on the iPad while the application is in use.

Apple has recently updated its iBooks iOS app, fixing a bug that caused some e-textbooks to not open properly.

Filterstorm - the universal photo-editor for the iPhone and iPad - has recently received an update, adding support for Facebook and Twitter exports, additional editing tools and interface updates.

Zombie Gunship - an iOS app that allows players to fight a zombie hoard from the gunner seat of a heavily-armed AC-130 ground attack aircraft - has recently received an update. Now, fans of the game can enjoy a new scenario - "Pleasant Acres" - thanks to the update, and the app has also received numerous bug fixes and optimizations.

In a new study conducted by the mobile application monitoring company Crittercism, it is noted that iOS application crash more often than their Android counterparts. The results, as you can see in the above and below images, speak for themselves: most applications crash under iOS 5.0.1, while Android apps appear to be rather more stable.

If you're looking for a Google Reader client that's rather a little different from the rest of the bunch, consider purchasing and downloading Reader X for iPad ($1.99). This new, interesting iPad application allows users to view the contents of their Google Reader reading list on their iPad's screen, in a grid. You can browse through the grid either horizontally or vertically, and touching an item in the grid opens it accordingly.

The original Infinity Blade iOS app ($5.99) has recently received an update, adding a fourth content pack to the popular universal game. Now, fans of Infinity Blade can enjoy new magic rings, swords, shields and helmets, a new enemy - RookBane - and can also take a sneak peak at Infinity Blade II and Infinity Blade: Awakening, a new iBook based on the hit game series.

Fly With Me ($0.99) is a brand-new iOS game developed by Electronic Arts, which has recently appeared in the App Store.

Call of Duty: Black Ops Zombies ($6.99) has just been updated, adding new weapons, in-app purchases and the ability to save and load game progress.