Best Alternatives to C Builder | Checkout Upsells!for Shopify (2026)

EG Auto Add to Cart Free Gift is a solid alternative if your main goal is to incentivize purchases with free gifts and BOGO offers. Its rule-based system and scheduling features make it a good choice for running promotions and increasing average order value, offering cart upsells based on specific triggers.

Essential Upsell & Cross Sell provides a comprehensive suite of upsell and cross-sell features, extending beyond the checkout page. It focuses on product page and cart drawer recommendations like frequently bought together items and product bundles, offering a strong alternative if you need these features and aren't focused exclusively on checkout customization.

The provided data lacks sufficient information to determine if AMP ‑ Slide Cart Drawer is a viable alternative. Further investigation into its features is required.

Essential Free Shipping Upsell focuses on motivating customers to spend more to qualify for free shipping, incorporating cart upsells and cross-sells into the progress bar. This alternative is valuable if you want to incentivize spending by highlighting the benefits of reaching a free shipping threshold.

Opus Cart Upsell Cart Drawer offers a broad range of cart customization features, including upsells, cross-sells, free gifts, and urgency timers. It provides features to recover lost sales and improve conversions, offering a comprehensive cart optimization solution.

The provided data lacks sufficient information to determine if MultiVariants ‑ Bulk Order is a viable alternative. Further investigation into its features is required.

Wrapin provides a focused feature set around offering gift wrapping and personalized messages. This app is a good option if you want to enhance the gifting experience for your customers and add a personal touch to orders, offering upsell opportunities in the process.

AOV Bundles Volume Discounts helps create seamless bundle offers and volume discounts. With AI-powered recommendations and customizable widgets, it is well-suited for encouraging customers to buy more items per order.

Fly Bundles offers a complete solution for maximizing AOV with bundles, quantity breaks, and upsells. With features like BOGO offers, free gifts, and native widgets, Fly Bundles can transform smaller carts into larger orders.

Zoorix excels at creating volume discounts, quantity breaks, and tiered pricing, combined with AI-powered cross-selling. If you want to encourage bulk purchases and offer personalized recommendations, this is a great alternative that integrates with the native cart drawer.