cart upsell discounts based on particular product volume base

Retired Boards Appdev Store Design

Topic summary

  • Goal: Implement a cart drawer feature that offers upsell/volume-based discounts, matching the functionality shown on a provided reference product page (URL included).
  • Ask: Looking for guidance on whether an app can achieve this; if not, advice on how to implement it custom.
  • Status: No answers or solutions yet; the request remains open with no confirmed approach.
Summarized with AI on January 3. AI used: gpt-5.
1

we want to implement same functionality in cart drawer as in the reference we site below

https://freiluftkind.de/products/tokai-barfussschuhe?variant=44369539629323 can anybody guide us how to achieve that. Is there any app available for this. If not then how we solved this.