Shopify upsells and cross-sells are among the highest-ROI tactics available to any ecommerce store. When a customer is already in buying mode — adding to cart or completing checkout — showing a relevant complementary product or an upgrade can increase your average order value by 10 to 30% without acquiring a new customer. This guide covers how to add upsells to Shopify and the best apps to do it effectively.
What Is the Difference Between Upsell and Cross-Sell?
An upsell offers the customer a better, more expensive version of what they are already buying: upgrading from the 250ml to the 500ml, from standard to premium, or from one unit to a bundle of three. A cross-sell recommends a complementary product: a phone case buyer is shown a screen protector, a shoe buyer is shown shoe care spray. Both increase order value; the right choice depends on whether you have upgradeable products (upsell) or logical add-ons (cross-sell).
6 Best Shopify Upsell Apps
1. ReConvert Upsell and Cross Sell
ReConvert is the most popular upsell app on Shopify with over 40,000 merchants. Its main differentiator is the post-purchase upsell — after a customer completes checkout and reaches the thank-you page, ReConvert shows a one-click upsell offer. The customer can add the upsell product to their existing order without re-entering payment details. Post-purchase upsells convert at 5 to 15% and add pure margin since there are no additional acquisition costs. ReConvert plans start at $4.99/month.
2. Frequently Bought Together
Frequently Bought Together displays an Amazon-style “customers also bought” bundle on your product pages. The app uses AI to recommend complementary products based on actual purchase data from your store. Customers can add the entire bundle to their cart in one click. This is the most natural, non-pushy upsell format — it mimics an organic discovery experience. Plans start at $9.99/month with a 30-day free trial.
3. Zipify OneClickUpsell
Zipify OCU focuses on post-purchase and in-checkout upsells. It integrates with Shopify’s native checkout (Shopify Plus feature) for in-checkout upsells that appear during the payment process — before the customer finalizes the order. For non-Plus merchants, it uses post-purchase pages. The analytics dashboard shows revenue generated per upsell funnel so you can optimize your offers. Plans from $35/month.
4. Candy Rack
Candy Rack specializes in pre-purchase upsells shown as a popup when a customer clicks “Add to Cart.” Before the item is added, a modal appears offering a related add-on: “Add gift wrapping? +$3.99” or “Upgrade to the Pro version? +$15.” These are non-intrusive offers that appear at peak buying intent. Plans start at $29.99/month.
5. Bold Upsell
Bold Upsell is a comprehensive upsell platform supporting product page upsells, cart upsells, and post-purchase offers. It has conditional logic — show different upsells based on which product is in the cart, the cart value, or the customer’s location. Bold integrates with Bold Subscriptions for subscription upsell offers. Plans from $24.99/month.
6. Monster Upsells
Monster Upsells focuses on cart page upsells — customizing the Shopify cart drawer to show add-on offers and progress bars (“Add $15 more for a free gift!”). The cart is an underutilized upsell location because customers are already committed to purchasing. Monster Upsells’ cart customization is among the cleanest available. Plans from $12.99/month.
Where to Place Upsells in Your Shopify Store
- Product page: “Frequently bought together” bundles or “Complete the look” recommendations. Low friction — customer is browsing, not yet committed.
- Add-to-cart popup: Offer a complementary item when the customer clicks Add to Cart. High intent moment. Keep offers under $15 to avoid decision friction.
- Cart page / drawer: Show add-ons and a free shipping progress bar. Customer is already planning to buy.
- In-checkout: Available on Shopify Plus. One-click add before payment. Very high conversion — 8 to 20%.
- Post-purchase (thank-you page): After payment is complete. One-click, no re-entry of details. 5 to 15% conversion. Zero cart abandonment risk since the order is already placed.
Upsell Best Practices
- Keep upsell offers relevant — an irrelevant upsell feels like spam and creates friction rather than value
- Price upsells at 25 to 50% of the main product price — offers above the main item price convert poorly
- Limit to one or two upsell offers per touchpoint — choice overload reduces conversion
- Frame upsells as completing the experience, not just adding cost: “Most customers also add this to get the full results”
- Test upsell copy: “Add X for $Y” vs “Complete your order with X” vs “Customers who bought this also bought X”
Frequently Asked Questions
What is a post-purchase upsell on Shopify?
A post-purchase upsell appears on the order confirmation page after a customer has already completed payment. They can add the upsell product to their existing order with one click — no need to re-enter payment details. This is the highest-converting upsell placement because there is no cart abandonment risk; the original order is already confirmed.
How much can upsells increase Shopify revenue?
Stores with well-configured upsell funnels typically see AOV increases of 10 to 35%. A store with a $50 AOV that increases to $65 through upsells sees 30% more revenue from the same number of customers without any additional acquisition cost. For high-volume stores, even a $5 average upsell addition translates to significant annual revenue.
Does Shopify have a built-in upsell feature?
Shopify has basic “You might also like” product recommendations built into themes, but no advanced upsell logic, one-click post-purchase offers, or cart upsells. All of those require a third-party app. ReConvert is the most installed option for post-purchase upsells; Frequently Bought Together is best for product page bundles.
What is the best upsell app for Shopify beginners?
ReConvert is the easiest to start with — install it, set up one post-purchase offer for your bestselling product’s most logical add-on, and you will see the uplift within your first week. The plan starts at $4.99/month and the ROI is immediate for most stores.
Can I offer upsells for subscription products on Shopify?
Yes. Bold Upsell and ReConvert both support subscription upsells — offering a subscribe-and-save option as an upsell when a customer adds a one-time purchase item. This is one of the highest-value upsell conversions available: a subscriber has a much higher lifetime value than a one-time buyer.
Final Thoughts
Upsells and cross-sells are the fastest way to grow revenue from your existing customer base. Install ReConvert for post-purchase upsells and Frequently Bought Together for product page bundles — these two apps cover the most important upsell touchpoints. Set up relevant, reasonably priced offers and you will see AOV growth within days. Pair upsells with a loyalty program so customers who buy more earn more rewards — this creates a compounding retention loop.
