BlackBerry Messenger Available on Apple, Android Starting Saturday

BlackBerry's most popular product

Those eagerly awaiting the release of BlackBerry Messenger (BBM) for iOS and Android have just a few more days to wait.

BlackBerry on Wednesday announced that its so-called "mobile social network," previously only available for BlackBerry smartphones, will begin rolling out for Android and iPhone users around the world on Sept. 21. Once it launches, BBM will be available as a free download on Google Play and via the App Store.