Low Profile King Bed Will A Platform Bed Fit A Boxspring & Mattress Or Just A Mattress? What About A Low-profile Bed? Help Me!?

Will a platform bed fit a boxspring & mattress or just a mattress? What about a low-profile bed? help me!? - low profile king bed

I bought together a king-size mattress and box spring, and I am looking for a bed. I have seen some beds platform very well that I would also like to buy, but I'm not sure if it for a mattress, and ... or just a mattress.