Actor Ashton Kutcher records himself on his iPhone as he arrives at the premiere of "The Joneses" in Los Angeles, California
His role as internet billionaire is perfect for the 33-year-old actor who, as to date, remains to be one of the top celebrities with most followers on Twitter.Best free apps in iPhone, iPad for 2011 REUTERS/Jason Redmond

Apple offers more than 250,000 apps in iPhone, iPad and iPod Touch, and most of them come free. If you were engrossed playing different level of Angry Bird, here are some free new apps for your iPhone and iPad.

Photosynth for iOS is a panorama creation and sharing app that helps you capture 360° in all directions to create and share them via Photosynth’s online service or on Facebook with your friends.

Opera Mini 6 for iPhone and iPad is a great contender to Safari, which offers a fast and cost-efficient web-browsing experience. It suppresses up to 90 percent of the data traffic. With the background tab loading you can synchronize bookmarks from your desktop computer if you use Opera as your browser.

Bing, a combination between search engine and magazine like aggregator, for iPad app enables you to search news articles, movies, Bing images and popular searches.

With the voice search, Hound, you just have to speak out the name of the artist, band or song title to get all related information, photos, including tour dates, lyrics, and song previews.

With Pandora Internet radio in iPhones you can listen to 30-second previews of bookmarked tracks directly within the app without bouncing over into the iTunes store. You can send songs as well as stations to your contacts from your address book.

Sonar is a social navy app that shows how you are connected to people around you by analyzing your Foursquare, Facebook, and Twitter networks.

Another very popular app is Color, which combines social networking and photo taking by creating public photo albums with your friends using multiple iPhones. Everything is instantly shared among everyone taking photos and videos..
A must have app for both iPhone and iPad is Frisbee Forever, which has a super crisp HD and Retina 3D graphics.

Onavo is another must have app for iPhone data user. It runs in the background and shrinks all the data used by apps via its servers, saving you money if you're on a capped data plan or using data abroad.

HeyTell turns your phone into a walkie-talkie by allowing you to send voice messages to single users or groups via 3G, EDGE, and Wi-Fi, with push notifications for new messages.

MUST READ:Top 10 most popular iPhone, iPad and iPod Touch apps for kids (PHOTOS+VIDEOS)

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