How to use "CartTransform - Merge" feature on my shopify Basic / Shopify plan

HI There,

I want to implement the bundle feature, which can combine two products into one lineitem with “customized image”

I do some research, and listed the finding below.

  1. “CartTransform - Merge” feature can achieve my goals

  2. I can “only” build the “extension-only app” to implement the “CartTransform - Merge” feature. There is no other way to implement ShopifyFunctions on my store directly.

  3. I can distribute my “extension-only app” to be a custom app, but only “Plus Plan Store” can use it.

  4. I cannot distribute my “extension-only app” to Shopify App Store, so I have no way to use my app on my store.

So based on above, is this no any chance to achieve my goal. is it correct?

Or do I have any other chance to do:

  • merge any two cart line items into one line item.

  • change the bundled line item image to be a customized image.

  • keep the store plan as Shopify plan or Basic plan.

Thanks for your help.