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MustHave: Upsell & Cross Sell
by MustHave
MustHave Upsell adds product page, popup, one-click post-purchase, and thank-you page upsell offers to your Shopify store.
—(0 reviews)· Free plan available· Launched Jul 3, 2026
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MustHave Upsell adds product page, popup, one-click post-purchase, and thank-you page upsell offers to your Shopify store.
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Data last refreshed Oct 19, 2026. Source: Shopify App Store.