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Providing a way for users to discover new software is usually cited as the primary reason for developing an app store, but Ganapathi says a well-run app store has benefits beyond acting as a central location for users to find apps. “Security and privacy are also a big concern,” he says. “IT organizations [like the ones that use Salesforce.com] are far more concerned with this than consumers, so we had to deal with this earlier.”

Security is one of the main reasons apps must undergo review before being accepted by Apple’s app store. But the review process has also been a point of friction between developers and Apple, because so many apps get rejected. In contrast, the Android Marketplace, the app store for Android-based devices, has no oversight other than user ratings and comments, which means potentially malicious or buggy apps are only reviewed if they appear to cause problems.

“I personally think there is some sort of middle ground here where you can leverage the collective wisdom of crowds to do some of the vetting [of apps] for you in a more open and transparent way,” says Mozilla’s Finette.

For developers, the ability to monetize apps is a big motivator, although it’s unclear how easy it will be to make money from consumer Web apps. But in contrast to current subscription-based Web services, Web apps appear in a privileged location in the browser, and may even be downloadable. Google has announced a downloadable function for its Chrome app store, and the HTML5 standard also provides for caching of local data, even entire apps–so that they work offline, like regular software.

Finette notes that Web apps might not even need to live in the browser–using technology like Mozilla’s Prism, it’s possible for Web apps to live on the desktop and launch without the usual URL bar and the forward and back buttons that normally surround a Web page or application.

Consumers may be drawn to the fact that Web apps wouldn’t be locked in to a particular platform or operating system. “I spoke to one person who said, ‘I spent $250 in applications on my iPhone–if switched to Android, I would throw that [money] away,’” says Finette. Web apps could work on any device with a standards-compliant browser, letting users change platforms without losing their investment.

Web apps also promise to make life easier for developers, who would no longer need to rebuild their programs for each new platform. The iPhone and Android phones run apps written in different languages, and it is an even bigger challenge to port the same app between Windows, OS X, and Linux. All of this means that “transition costs for developers are significant,” says Finette.

Google declined to comment on its forthcoming app store beyond its previous public announcements, so it remains to be seen how the Chrome app store will compare to Mozilla’s vision or whether the two might even be compatible. Ultimately, Finette will have to wait for developers, and users, to answer his question.

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Credit: Technology Review

Tagged: Web, applications, mozilla, App Engine

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