2 days

[happygirl]

Is that enough time to do both IOA and Universal studios

 

[Bill Lumbergh]

I would say it's just about enough time. Do each park each day.

 

[happygirl]

Thanks Bill

 

[robvia]

Two days is plenty of time. You could also visit IOA in the morning each day, take a lap of the park, then head over to USF.