WordTree’s Reverse ASIN Lookup provides research reports covering up to 10 competing products at a time. Each report includes organic search keywords that the selected products rank for, including relevancy and search volume scores, and an estimate of how many sales each keyword drives to the top-ranked product.
A listing builder is included, to help incorporate selected keywords into Amazon product listings.
Reports are $20, with the first report discounted to $10. Bulk pricing available.