You can go to: https://wholesaler-pro-demo-store.myshopify.com and you’ll see the app running. Feel free to log into the store as a merchant: http://wholesaler-pro-demo-store.myshopify.com/admin (login: firstname.lastname@example.org pwd: shopify)
You can simply log in with pre-filled information in the storefront to see how different it is with Wholesaler PRO. Spoiler alert: just the price is different :)
Alternatively, you can contact us by clicking here and we'll happily assist you while creating a demo at your store. Remember we offer a free 7 day trial for you to be totally confident the app fits your needs.