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Checkout Upsell — Addonn
by Appiers
Addonn lets Shopify stores upsell Checkout add-ons to increase Average order value. Offer Express Shipping, Gift Bag, Warranty and more Add-ons that buyers love
5.00(5 reviews)· Free plan available. Free trial available.· Launched Nov 5, 2025
View on Shopify App Store About
Addonn lets Shopify stores upsell Checkout add-ons to increase Average order value. Offer Express Shipping, Gift Bag, Warranty and more Add-ons that buyers love
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Data last refreshed Jun 17, 2026. Source: Shopify App Store.