SellStack: Bundles & Upsells

Develop by Shopify

$9-$19

/ Month

Free plan available

Boost Shopify sales with bundles, discounts, upsells, and customizable promotions.

About SellStack: Bundles & Upsells

Launched May 06, 2026

Built by Shopify

Address

15 Monte Vista Rd, Orinda, CA, 94563, US

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Description

Optimize AOV with professional bundles. Drive revenue using smart upsells and tiered discount deals

SellStack provides a sales-boosting toolkit designed for Shopify order value optimization and customer loyalty. Build discount scenarios and adjust cart values by providing deals to your customers. The user-friendly interface requires no coding knowledge to start creating product bundle options in minutes. Leverage features like quantity breaks, volume discounts, and mix & match bundles. Our solution simplifies storefront promotions with customizable widgets and theme integration.

Flexible Bundles: Classic, Mix & Match, and multi-buy bundle options
Quantity Discounts: “Buy 3 Get 2” & tiered bulk discounts
Upsell & Cross-sell: Recommend related products in cart & product pages
Flexible Offers: Percentage cuts, fixed discounts, and bundle rates
Landing Pages: Create bundle pages & show anywhere with shortcodes