In short
- Smart cart with AI-driven product recommendations
- Post-purchase upsell flows and personalisation across the funnel
- Native Shopify integration with Recharge, Klaviyo, and Yotpo
- Best fit: Shopify brands serious about cart and post-purchase optimisation
What is Rebuy
Rebuy is an AI-driven personalisation and upsell engine for Shopify stores. The product covers the full funnel: product page recommendations, smart cart with dynamic bundles and upsells, checkout cross-sells, and post-purchase one-click upsells. The AI model trains on the store’s own purchase data to surface products most likely to convert for each shopper, rather than defaulting to global best-sellers.
Where Rebuy fits in 2026
Rebuy is the right pick for Shopify brands serious about optimising the cart-and-checkout experience as a revenue lever rather than treating it as plumbing. The smart cart in particular is the wedge: brands that ship Rebuy’s cart typically see meaningful AOV lift compared to default Shopify carts, especially when the catalogue is large enough for personalisation to matter.
The honest trade-off is price and complexity. Platform One at $538 per month is real money, and Rebuy is one of the bigger configuration surfaces in the Shopify upsell category, the rule engine for personalisation takes time to dial in. Brands with small catalogues or low traffic often do not get the personalisation lift to justify the price step over simpler tools like Selleasy or Candy Rack.
How Rebuy compares to alternatives
Versus Bold Upsell: Bold is the established pop-up upsell tool, simpler and more transactional. Rebuy is broader (full-funnel personalisation) and more AI-driven. Versus AfterSell: AfterSell is post-purchase-focused with Rokt AI for offers. Rebuy covers post-purchase too but the wedge is the smart cart on the storefront. Versus Nosto: Nosto is enterprise personalisation across web, mobile, and email. Rebuy is Shopify-native and substantially cheaper.
FAQ about Rebuy
How much does Rebuy cost?
Rebuy starts at $99 per month for the Starter plan and scales with order volume to $749 per month for Grow. Modular packages (cart, checkout, search, flows) stack, and mid-size stores commonly land at $300-500 per month.
Is Rebuy good for Shopify?
Yes. Rebuy is Shopify-only and is one of the dominant smart-cart and personalization engines for DTC brands. It is built deeply into Shopify checkout extensibility.
What are the main Rebuy alternatives?
Common alternatives are UpCart (AfterSell), Candy Rack, Oxify, ReConvert, and In Cart Upsell. UpCart and Candy Rack are the closest direct replacements at a fraction of the cost.
What does Rebuy actually do?
AI-driven smart cart with tiered progress bars, upsells, cross-sells, free gifts, one-click subscription, post-purchase upsells, and product recommendations across the funnel. It also runs search and merchandising.
Does Rebuy work with subscriptions?
Yes. Rebuy integrates with Recharge, Skio, Appstle, Bold, and Shopify Subscriptions, and includes one-click subscription toggles in the smart cart.
How to use Rebuy?
Install Rebuy from the Shopify App Store, configure the smart cart and post-purchase widgets, then turn on AI recommendations. Most stores have it live within a day.
Why choose Rebuy?
Rebuy is the most extensible Shopify upsell engine with smart cart, post-purchase, and AI recommendations across the full funnel, which removes the need for several point apps.
Is Rebuy free?
No, Rebuy starts at $25/mo with a 21-day trial. There is no permanent free tier.
How to learn Rebuy?
Rebuy maintains documentation at rebuyengine.com/help. Their YouTube channel has product walkthroughs and partner agencies offer paid training.
What are Rebuy reviews?
Rebuy is rated 4.7 on Shopify App Store with 821 reviews. See the reviews for detailed feedback.
Does Rebuy have an API?
Yes, Rebuy provides a REST API. Documentation at rebuyengine.com/api.
Does Rebuy have a trial or a demo?
Yes, Rebuy offers a 21-day trial. Sign up at https://www.rebuyengine.com to start.
Does Rebuy use AI?
Yes, Rebuy’s whole pitch is AI/ML personalization, with self-learning algorithms powering product recommendations across Smart Cart, checkout, post-purchase pages, and search. Widgets like Frequently Bought Together and Customer Also Bought run on its proprietary recommendation engine.
Rebuy pricing
Rebuy pricing starts at $25/mo. Plans are organised as Starter / Scale / Pro / Platform One. A 21 days free trial is available. See the full Rebuy pricing page for current tiers and any add-ons.