Amazon.com Inc. has added an in-app purchasing feature for games and other programs developed for the Web, Mac and PC.

In-app purchases allow developers to sell digital items within the game for a fee. Some developers make their money through in-app purchases instead of charging an up-front fee for the game.

Limited Time Offer

Save over $700 on your subscription. Special offer expires April 30, 2017.

14-Day Free Trial

Authoritative analysis and perspective for every segment of the industry