Title says it all, will upgrading for pro provide any noticeable performance increase on iOs?
No, Pro has additional features, it’s not a different engine or anything.
–Eric
Well, it does have static batching, which can be quite beneficial if you use it properly 
That’s true.
–Eric
The profiler is going to be a way to obtain much better performance. The ability to use light probes also a potential performance gain.
Depending on the type of scenes you’re creating, Occlusion Culling could be helpful to have.