Key Features

• Product bundles and free gifts with mix-and-match options and auto-applied bundle logic
• Cart drawer and cart upsell functionality that works across all themes and third-party apps
• Post-purchase upsells and customizable thank-you page offers
• Volume discounts, quantity breaks, and BOGO deal builder
• Bundle builder with fully customizable styling and layout options

Verdict on Moon

Moon Bundles is one of the best-value bundle apps on Shopify, combining bundles, cart drawer upsells, post-purchase offers, and volume discounts into a single install. The generous free tier and Built for Shopify badge make it a safe bet for any merchant. Its multi-language support and theme-wide compatibility stand out among competitors. The revenue cap pricing model is transparent — you only upgrade when your bundles are actually making money.

Key Features

• Smart product recommendations based on purchasing behavior
• Automatic bundles and discounts to increase cart value
• Manual control of recommendations by product, collection, or tag
• Discount configuration for product bundle purchases
• Easy integration into product pages, cart, and checkout

Verdict on ABU

ABU AI is a bilingual Spanish/English upsell tool targeting Latin American markets. The AI-powered recommendations are a good concept, but with only 1 review it is unproven. The free plan is extremely limited at 1 order/month. Best for Spanish-speaking store owners who want native-language support.