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.
Checkout B | Checkout Upsells
by Checkout Builder
Customize your Thank you and Order status pages. Only Plus merchants can customize checkout.
- Rating
- 5.0
- Reviews
- 6
- Pricing from
- $199.00/mo
- Launched
- Sep 2023
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 Checkout B | Checkout Upsells
Checkout Builder gives Shopify Plus merchants full control over Checkout with high-converting, extensible blocks. Add upsells, cross-sells, trust badges, custom messaging, dynamic content, and conditional logic—no code required. Built on Shopify Checkout Extensibility, it’s fast, secure, upgrade-safe, and fully compatible with Shopify updates. Design smarter checkout experiences that increase AOV, reduce friction, and convert more customers.
Highlights
- Drag-and-drop checkout blocks built on Shopify Checkout Extensibility
- Upsells and cross-sells to increase AOV at the point of purchase
- Conditional logic to show content based on cart, customer, or order
- Add trust badges, custom text, and branded content to checkout
- Fast, secure, and upgrade-safe with full Shopify Plus compatibility
Languages
English