★★★★★
The app stopped syncing after the last update and support took a week to reply. We lost orders during the outage and had to switch to a competitor.
SellStack: Bundles & Upsells
by Webse
Optimize AOV with professional bundles. Drive revenue using smart upsells and tiered discount deals
- Rating
- 5.0
- Reviews
- 4
- Pricing from
- $9.00/mo
- Launched
- May 2026
First seen 18 Sep 2026 · Data updated 1 week ago
Worst recent reviews
1- and 2-star reviews reveal what this app gets wrong: the gaps a competitor could fill.
About SellStack: Bundles & Upsells
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.
Highlights
- 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
Languages
English and Turkish