creatine is still debated about in terms of 'when' you take it.
I subscribe to the side that says "you take it post workout, because you're replenishing creatine stores in the muscle after some is used"
The other side thinks you need to "take it pre workout so its available for use during your workout"
I've seen enough research that shows taking creatine on a daily basis, regardless of 'when', increases overall creatine levels in the body.
I continue to take it post workout, because my PWO shake has 60g of simple carbs, which cause an insulin reaction, allowing nutrients, like creatine, into the cells. That's the only time I consume high glycemic carbs, so pre-workout doesn't work for me personally.