Unity3D is a powerful software for developing 3D games for these platforms such as Web, Desktop and Mobiles. Unity3D software is available for windows, mac Operating system and also for iPhone Mobiles
Recently Unity3D releases it’s support for Android Mobile phones. It is only platform to support Augmented_reality features for Android Mobiles. Unity3.3 is available for 30 days trial version. Download Here
It also releases new price tag for the software
Base Product
Unity 3D – Free
Unity 3D Pro – $1500
Optionals Addons
iOS – $400
iOS Pro – $1500
Android – $400
Android Pro – $1500
Asset Server Client License – +$500