Android app developers will be able to charge for upgrades and extras from within their apps starting next week, Google said.
Developers can upload test apps to make sure the service is working, said Eric Chu, who's involved with Google's Android developer program, in a blog post yesterday. "You won't be able to actually publish the apps to users until the full launch of the service next week," he added.
In-app billing lets developers offer optional upgrades such asor . Apple's iOS already has the ability.