In the Amazon app, you can view rankings of specific products by searching for them or by going to the product pages.

The ranking of the product will be displayed at the top of the product page, usually in the form of "#X in a certain category".

On the search results page, you can also see the ranking of the product, and the top-ranked products will be displayed at the front of the search results.

In addition, Amazon also provides a special ranking query tool. You can log in to the seller center to view the ranking of your products under different categories and keywords. Through the above methods, you can understand the ranking of products on Amazon.