There's also a Battle.net Authenticator for Windows Phone 7 and BlackBerry made by Blizzard.mcattack92 said:There is a free iOS and Android authenticator app made by Blizzard which you link it to your account so I don't see why they are suing over requiring to pay more to secure their data. It does the exact same thing the physical ones do.
http://itunes.apple.com/au/app/battle.net-mobile-authenticator/id306862897?mt=8
https://play.google.com/store/apps/details?id=com.blizzard.bma&hl=en
The only ones who should be crying are the ones without an Android or iOS device.
http://www.windowsphone.com/en-us/store/app/battle-net-authenticator/1347bbfb-bca2-e011-986b-78e7d1fa76f8
https://appworld.blackberry.com/webstore/content/13011/