Zipify OneClickUpsell is the most advanced post-purchase upsell app for Shopify, built by Ezra Firestone's team. It enables merchants to add high-converting offers between Checkout and Thank You pages, with support for up to 8 upsells and downsells.

OneClickUpsell from Zipify is one of the original and most established post-purchase upsell solutions on Shopify. The platform allows merchants to create additional offers after customer purchase, insert high-converting offers between Checkout and Thank You pages, display downsell offers if the primary upsell is declined, and add upsells to the Order Confirmation Page without creating extra orders. The app has generated over $1.17 billion in upsell revenue for Shopify merchants since launch, with flexible design options and free shipping thresholds.
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