The 10 Best Cross Sell Apps for Shopify

The top 10 apps merchants see when they search the Shopify App Store for cross sell, in the exact order the store ranks them. Only Shopify's organic ranking is shown, never sponsored ads.

Updated October 10, 2026 · Organic ranking

Maintained by Rankbase, built by a Shopify app developer

Where an offer sits decides what it is allowed to do, and the rules get stricter the further along the customer is. On the product page and in the cart, an offer is just an addition to the cart. On the checkout page itself, an extension can still change cart lines directly. Once payment is taken, that stops: Shopify documents that write access is not available on thank-you page targets because the order is complete.

So the familiar "add this before you go" screen after payment is not an ordinary page block. It is a separate post-purchase extension that appears after the order is confirmed and before the thank-you page, it depends on the customer's payment method already being stored, and it comes with real constraints: access has to be requested from Shopify, there is a cap on accepted offers per checkout, a minimum order value, it is online store only, and it does not appear on local delivery orders. Two listings using the same phrase can therefore mean quite different things.

1

Upsell & Cross Sell — Selleasy

★ 4.9 (2,747 reviews) · Free to install

In cart upsell, checkout upsell, product addons bundle for AOV
Built for Shopify
2

Essential Upsell & Cross Sell

★ 5.0 (2,417 reviews) · Free plan available

Lift AOV with Frequently Bought Together Cross-sell Upsell App
Built for Shopify
3

Kaching Bundles App & Upsells

★ 5.0 (6,245 reviews) · Free to install

Boost AOV with quantity breaks, product bundles & upsell app
Built for Shopify
4

Fly Upsell & Cross Sell

★ 4.9 (616 reviews) · Free plan available

Boost AOV with bundles, quantity breaks & upsells
Built for Shopify
5

FBP | Fast Bundle & Upsell App

★ 5.0 (3,534 reviews) · Free to install

Boost AOV with product bundles, bundle builder, upsell & BOGO
6

Free Shipping Bar Cart Upsell

★ 4.7 (263 reviews) · Free

Upsell App with free shipping progress bar, cross sell
Built for Shopify
7

Bundlex Product Bundles Upsell

★ 5.0 (203 reviews) · Free

Boost AOV with free bundle offers, quantity breaks & BOGO
Built for Shopify
8

ReConvert post purchase upsell

★ 4.8 (3,104 reviews) · Free plan available

Create Cart Upsell & Cross Sell + Post Purchase Upsell Funnels
9

Essent Cart Drawer Cart Upsell

★ 5.0 (1,074 reviews) · Free plan available

Lift AOV via Slide Cart Upsell, Sticky Add to Cart, Reward Bar
Built for Shopify
10

Wiser AI ‑ Upsell & Cross Sell

★ 4.9 (562 reviews) · Free to install

Grow AOV by Frequently Bought Together & AI Product Upsell app

Compare the top 3 head-to-head

All app comparisons →

What to look for in a Cross Sell app

Which surface you actually need: Product page, cart, checkout and after payment are four different products with four different sets of limits. Decide where the offer belongs for what you sell, then check that the listing genuinely reaches it rather than mentioning it.
What decides the recommendation: Hand-picked pairs are predictable and stay correct only while you maintain them. Automatic recommendations scale and occasionally suggest something silly. Look for the ability to do both, and to exclude products that should never be offered.
How the offer looks on a phone: This category adds blocks to pages that are already busy, and on mobile an offer between the cart and the checkout button is a hurdle. Judge it on a real phone with your theme, and be willing to run fewer offers.
What a post-purchase acceptance does to the order: If the offer lands after payment, ask exactly what happens: one order or two, how shipping is charged on the addition, what your fulfillment system sees, and how a refund is handled. This is where an upsell can quietly create work for your support team.
Overlap with what you already run: Recommendations, frequently bought together and bundles all appear in this grid, and several listings sell all of them. Stacking two apps that both inject offers into the cart is how a page ends up with three competing suggestions.

Frequently asked questions

Which is the best Cross Sell app for Shopify?

Based on the Shopify App Store's own organic ranking for "cross sell", Upsell & Cross Sell — Selleasy currently holds the #1 spot, with a 4.9 star rating across 2,747 reviews. The best choice for your store still depends on your requirements, so compare the top results above.

How is this ranking determined?

We record the organic results merchants actually see when searching the Shopify App Store for "cross sell", refreshed daily. Shopify's own sponsored ("Ad") results are excluded, so positions reflect its real search ranking rather than paid promotion. Source: the Shopify App Store search results for "cross sell", you can verify the current ranking there yourself.

Which Cross Sell apps are Built for Shopify?

7 of the top 10 cross sell apps hold the Built for Shopify badge: Upsell & Cross Sell — Selleasy, Essential Upsell & Cross Sell, Kaching Bundles App & Upsells, Fly Upsell & Cross Sell, Free Shipping Bar Cart Upsell and more.

What does the Built for Shopify badge mean?

Built for Shopify
Built for Shopify is the highest level of recognition Shopify awards an app. To earn the badge, an app must meet Shopify's standards for safety, performance, ease of use, and proven usefulness: it cannot slow down the admin, storefront, or checkout, must integrate seamlessly into the Shopify admin, and must demonstrate quality through installs, reviews, and ratings over time. When comparing similar apps, preferring ones with the badge is a safe default. Learn more about the Built for Shopify badge →

As of October 10, 2026, the top-ranked cross sell app on the Shopify App Store is Upsell & Cross Sell — Selleasy, with a 4.9 star rating across 2,747 reviews. 7 of the top 10 carry the Built for Shopify badge, and the average rating is 4.9 stars across 20,765 reviews.

Related keyword rankings

All Cross rankings → · Browse all keywords →

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Built by Craftshift

Rankbase is made by Craftshift, a Shopify Partner building apps for product images, variants, and bulk catalog work. We built Rankbase to track the App Store rankings of our own apps first, then opened it to other developers, and this directory grew out of that work. The rankings on these pages are Shopify's own organic search results; we never edit them, including for our own apps.

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