State the difference between an appeal case and judicial review, in one simple sentence.

An appeal case involves challenging the decision of a lower court, while judicial review involves challenging the decision of a public authority or government body.

Are you sure

I apologize, my response was not entirely accurate. Let me clarify:

An appeal case involves a review of a lower court's decision by a higher court, while judicial review involves a review of a public authority's decision or action by the judiciary to ensure it is lawful.