AMZFirst is described as 'The best amazon rank tool not only the powerful features, but also the reasonable price'. There are eight alternatives to AMZFirst, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Google Chrome. The best alternative is Inventory Spy, which is free. Other great sites and apps similar to AMZFirst are Jungle Scout (Paid), AmzScope (Paid), Bitclu (Paid) and Egrow (Freemium).
FBA Calculator allows you to know FBA Fees in one click without leaving current product page absoletely free! It works for Amazon US, UK, CA, MX, DE, IT, ES, FR and IN. Just enter to a product page and click the extension button!.