App Positions(App Ranking) - is the ranked position of an app within the app store listings or 3rd party app catalog listing. App rankings may appear in the form of primary (main) category or subcategory listings (top paid app vs top free games apps). App store and catalog rankings in charts are determined through a mix of proprietary app store algorithms and weighted factors. Higher rankings bring an app more visibility, traffic, and downloads.
App Store Top charts - The top charts are the lists of the best apps in every country, per category, on the app stores.