Apple revealed that more
than 25 billion apps have been downloaded from its App Store by the users of
the more than 315 million iPhone, iPad and iPod Touch devices around the globe.

In the free iPhone apps lists, Facebook is followed by Skype, eBay, Google Earth and Google Search.

On the paid iPhone app front, Angry Birds is leading the pack, followed by more of games: Fruit Ninja, Doodle Jump, Cut the Rope and Angry Birds Seasons.

For more about iPad based data visualization apps like StockTouch, see our GigaOM Pro report, 4 iPad apps to wrangle data (subscription required).

For example, those three catch up TV apps in the upper reaches of the all time free iPad apps chart.

A quick analysis of the full top 25 lists reveals that iPad users install a lot of childrens games and entertainment apps, as well as office apps, such as apps from Apples iWork suite.

All four lists are based on sales/downloads, rather than revenues: Apple has not published charts for the all time top grossing apps.

Today, the company is also announcing a free iPad app (joining iPhone and Android apps), which allows people to sign any document from their iPad and get other people’s signatures.

The App Store offers more
than 550,000 apps to iPhone, iPad and iPod Touch users in 123 countries
worldwide, with more than 170,000 native iPad apps available.

Kenneth Kennedy is a business journalist based in Hong Kong, China. Kenneth has a passion for financial markets and breaking news stories and loves writing about business news, stock market, and economic opinions that matters most to its audience. Kenneth spends a lot of time discovering and researching latest financial markets and industry news stories in order to make sure the latest and greatest stories are brought to you first on BigBoardNews.com.