Automatic updates of iPhone apps

Is it possible to automatically force an update of all installations of an iPhone app without requiring interaction from the users?

According to this thread it is impossible to do so for apps deployed on Apple's public app stor开发者_如何学JAVAe, but another more recent thread describes a way to at least inform users of updates, but still forces them to take action manually. With the Enterprise Program becoming available to most companies now (the requirement of 500+ employees has been dropped) can we hope to achieve it with the Enterprise Program?

The reason I'm asking is that automated push-updates of applications are a common demand and indispensable requirement by many businesses that use mobile devices. Blackberries have always won over iPhones in the past, because they had this feature while iPhones did not. Has the situation changed now?

Update: Apparently, there is another problem. Apple has a limit on the size of app downloads of 20MB over GSM which to my understanding also applies to deployment within the Enterprise Program. Unless all users consistently have access to a WiFi connection, this is another limitation that needs to be taken into consideration.

Update 2: I have submitted a feature request to Apple. Maybe it helps to expedite the improvements.

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I don't believe you can force an update, though you can:

• Remotely disable an existing app, if urgent, and

• Design your app such that when it is outdated it alerts the user and provides a one-tap link to download a new version (technically two taps, one to load the web page with the app and one to install the new version).

It's not the ideal system you note would be so helpful, but it's an improvement over the earlier system where users had to sync with iTunes at a desktop/laptop in order to perform the upgrade.