Difference Unity3 and Unity3+iOS

Questions & Answers
1

Hi,

I have heard that it is possible to create iPhone/iPad games with Unity3. Is the add feature iOS needed? If no what is the benefit of having iOS or iOSPro? Thanks!

2

To create an iOS game in Unity you must download Unity Free or Pro and iOS or iOS Pro.
You can find what are differences between them HERE

3

You need the Unity iOS license if you want to publish iOS games with Unity.