Search & Discovery complementary products are picked one SKU at a time, so new items ship with an empty Pair it with block. This app maps living collection, tag, or product_type sources to a complement collection or tag. Dry-run, apply, undo the last write, then watch drift as products and pools change. You still own S&D config. Theme checklist only — no theme extension. No AI recs, no cart upsell. Shopify cap is 10. Max 5 rules. First rule wins. Prefer in-stock; exclude self, gifts, drafts.
Instant post-purchase upsell, no re-entry, maximize sales...
Ensure necessary add-ons are purchased together; simple...
Allow customers to purchase related products in one click
Increase AOV with bogo, free gift, and Buy X Get Y campaign...