MGM Studios just released a new RoboCop app for the iPad, iPhone, and iPod Touch to help celebrate the film’s 25th anniversary (and perhaps to bring in some money from all the RoboCop fanboys with a spare buck).

Essentially, the RoboCop app is a soundboard featuring all your favorite lines from the last three films. However, since the idea of soundboard apps is a bit exhausted in this iOS handheld exhausted market, they’ve also built in some other perks to increase the coolness factor.

Unlike the previous SFX-only apps, this version has video clips, a Robo-Mouth setting (which is just a Cyborg mouth you can hold up to your face when the memorable quotes are spoken), and the ability to create your own witty, monotone one-liners by speaking into the mic.

The Walking Dead comic book series is now available on your iPhone, iPad, and iPod Touch courtesy of digital comics distributor comiXology, along with series creator Robert Kirkman and Image Comics.

The Walking Dead app, a stripped down version of the comiXology digital comic book application — which is currently used by Marvel, Boom Studios, DC, and Image — was created to help generate additional buzz leading up to the October 31 premiere of The Walking Dead television show on AMC.

The first issue of the series is free to everyone, with subsequent issues priced at $1.99 each — a full $1.49 cheaper than those print versions. There’s also the option to buy the collected editions for $8.99 – $9.99, which is also less expensive than buying the print versions if you factor in the cost of shipping from online marketplaces.

Purchases made in The Walking Dead app will also be available in the Comics by comiXology app and online at http://comics.comixology.com.

TwitterFon Pro
Mobile Twitter Client
Developer: Kazuho Okui
Price: $4.99

TwitterFon, the popular iPhone and iPod Touch Twitter Client, released a long overdue update to their app that introduced several new features, the most noticeable being ad support for the free version. But if you think you can get around the introduction of advertisements by skipping the update, you may want to reconsider due to the number of general usability issues that slow functionality and often times crash the app.

Alternately, TwitterFon released the first Pro version of the app. Gone are the load time issues that accompanied Twitter’s recent change to how often API’s can retrieve information. The pro version offers the familiar interface with a few changes to accommodate new features.

The most noticeable difference between its free-version counterpart is that it removes the advertisements. Users will also get multiple accounts support, the ability to save search results, four different themes Shake to reload (who cares?), and landscape Keyboard mode. If those features weren’t enough to sell you, the Pro version has user authenticated support for bit.ly, which can be useful if you need to track statistics while on the go, and integration with Instapaper, a site that lets you save links from your feed so you can continue scanning the bulk of updates.

Comic Zeal
Mobile Comic Book Reader
Developer: bitolithic
Price: $1.99

The Comic Zeal iPhone app offers a way to read comics on a handheld device that conserve battery life much better than other similar applications. While most people may be turned off that it cannot read CBR or CBZ formats, the decision was intentional since CBR files are usually compressed and would require processor power to open (thus also decreasing battery life).

The downside to this is a lack of comics available. However, anyone can use the to upload their own user-created content so its a fair trade off.

The app has a great navigation interface as is storing and downloading new comics. Users can download comics directly from the app itself or upload them if they’ve been stored elsewhere. Version 2.06 offers new “eye-candy” graphics, like the ability to organize collections into comic boxes and bookmark pages for unfinished comics.