Where does the Upsell app display on a website store?
Upsell offers can be displayed in several locations of your choice. These are as follows: Product Page Pop-up, Cart Page Pop-up, Cart Drawer, Post Purchase Pop-up, Post Purchase Emails, In-Checkout (Shopify Plus stores only)
If you integrate Upsell with Bold Subscriptions, you can also display Upsell in the Subscription customerportal and the Subscription Upcoming Order email.
Read more about this in our Help Center here: https://support.boldcommerce.com/hc/en-us/articles/360045462051