Plugins - Pro/Mobile-Only Feature

Questions & Answers
1

In Unity3d Documentation:
http://unity3d.com/support/documentation/Manual/Plugins.html#iPhonePlugins

I am wondering if iPhone/Android Basics can use plugins or not. Or we need iPhone/Android Pro?

2

You can use plugins on the basic iOS/Android licenses.
For example Prime31’s plugins can be used with either basic/pro.

And according to Unity’s license comparison chart the basic Android/iOS licenses support native code plugins.