With the schema testing and comparison tool you could scan two pages, For example: between Yours and your competitor, or between pages of your own website, pages on your competitor website, and see a detailed comparison between the schemas found on these pages and with that opportunity for relevant schemas to add.
On the schema comparison page add a URL of two pages you would like to compare and click on Compare schema, scroll down to see a which schemas are presented on each page and the structure of each schema, using this tool can help you get ideas of schemas that might be presented on your competitors page but not yours and might be relevant
Add a URL or paste a JSON-LD code into the box and click Validate My Schema
“Schema.org is the result of a collaboration between Google, Bing, Yandex, and Yahoo! to help you provide the information their search engines need to understand your content and provide the best search results possible at this time.“ Source:Moz.com