Top 5 Best Shopify Cross-Sell App to Increase AOV in 2026

Key Takeaways

• BOGOS: Free Gift Bundle Upsell: Best for building every cross-sell offer type (buy X get Y, mix-and-match, classic bundle, bundle builder) plus a full promotion stack in one dashboard, rated 5.0 stars across 3,900+ reviews.
• Upsell.com ‑ ReConvert Upsell: Best for visual, conditional cross-sell flows with A/B testing, rated 4.8 stars across 2,800+ reviews.
• Upsell & Cross Sell — Selleasy: Best placement coverage, with cross-sell on product page, cart, checkout, and post-purchase, rated 4.9 stars across 2,400+ reviews.
• Rapi Bundles Volume Discounts: Best for urgency, social proof, and gamification layered around the offer, rated 5.0 stars across 1,200+ reviews.
• Wiser AI ‑ Upsell & Cross Sell: Best for AI personalization across every page (homepage, collection, search, 404), rated 4.9 stars across 500+ reviews.

All five are Built for Shopify certified, so that baseline is covered. This guide compares what actually separates them.

Introduction

Cross-selling, offering a related product at the cart, checkout, or post-purchase moment, is one of the most reliable ways to grow average order value from traffic you already paid for. The data backs it up: effective cross-selling can lift AOV by 20-30% with no extra ad spend, and Amazon has credited cross-sell and upsell recommendations with roughly 35% of its total revenue.

It also drives discovery. Around 55% of shoppers say they’ve bought something they hadn’t planned to because of a cross-sell offer, which means the right recommendation puts new and slow-moving products in front of buyers who would never have searched for them.

This guide compares the 5 best Shopify cross-sell apps for increasing AOV in 2026, scored on the criteria that actually drive the choice, so you can pick the one that fits your store and start testing this week.

How We Evaluated

We compared the five apps on the factors that decide which one will move AOV for your store:

1. Placement coverage. Where in the buyer journey the cross-sell can appear (product page, cart, checkout, post-purchase, thank-you page, and beyond). More relevant touchpoints mean more chances to add an item.
2. Offer logic and discount type. What triggers the offer, which products get discounted, under what cart conditions, and which discount types are available (percentage, fixed, cheapest-free, tiered, BOGO). This is what protects margin while lifting basket size.
3. Recommendation method. How products get chosen: manual selection, an AI recommendation engine, or Shopify’s native Search & Discovery. This drives how relevant, and how clickable, each cross-sell is.
4. Ratings and reviews. Overall star rating and review volume as a trust signal at scale.
5. Pricing model. Whether there’s a free plan, and whether paid tiers scale by order volume (predictable) or by attributed revenue (a percentage fee that grows with sales).

We left Built for Shopify certification off the scorecard on purpose: all five carry it, so it’s table stakes, not a differentiator.

Quick Comparison Table: 5 Best Cross-Sell Shopify Apps

App #1: BOGOS: Free Gift Bundle Upsell 

Cross-selling isn’t only “Frequently Bought Together” or product add-ons. It comes in many formats, each nudging shoppers to add items in a different way: buy X get Y, mix-and-match bundles, classic fixed bundles, and customer-built bundles. Each one suits a different product mix and margin, so the more offer types you can run, the more angles you have to lift AOV.

That’s where BOGOS: Free Gift Bundle Upsell stands out. While most apps lock you into one or two offer styles, BOGOS lets you build buy X get Y, mix-and-match bundles, classic bundles, and a customer-driven bundle builder, all from a single dashboard.

Pros:

• Every offer type in one dashboard is the standout. Build cross-sells as buy X get Y, mix-and-match bundles, classic bundles, or a customer-driven bundle builder, all from one place. Add margin-control conditions (like discounting only the cheapest item), and you protect margin while still pushing shoppers to add more. No rival here packs this many offer formats into a single app, which is what sets BOGOS apart.
• Deep targeting rules segment offers by landing-page link, order history, customer tag, location, and Shopify Market, so each shopper sees the cross-sell most likely to convert for them.
• Two-layer purchase logic lets you require a minimum count of unique products and a minimum quantity of a trigger product, which pushes shoppers to add more to unlock the offer.
• Progress bar shows how close a cart is to free shipping, a gift, or a discount, giving direct threshold motivation to add one more item.
• Today Offer adds time-sensitive urgency at the decision moment.
• Four discount types (percentage, fixed, cheapest item free, discounted shipping) let you match the discount to product margin so offers stay profitable.
• Full-funnel analytics with order-level filtering so you can spot winning cross-sells and scale them.

Cons: Cross-sell widgets on the Checkout page are only available for Shopify Plus plans.

👉 Bottom line: If you want every cross-sell and bundle format under one roof, start here. Install the free plan, build one bundle offer (a mix-and-match or buy X get Y) with a cheapest-item discount, and pair it with the progress bar on your best-selling product.

App #2: Upsell.com ‑ ReConvert Upsell 

Upsell.com is built around a drag-and-drop flow builder, so you can design cross-sell sequences as connected, conditional journeys rather than isolated widgets.

Pros:

• Drag-and-drop flow builder lets you layer conditions (cart value, product in cart, customer segment) and decide which offer fires at each step. Chained offers attach more items per order than standalone widgets.
• Cart-value condition activates a discount only once the cart hits a set value, nudging shoppers to add one more item.
• Three recommendation sources (manual, Shopify Search & Discovery, and Glood.ai AI) can be mixed across flow steps.
• Loox integration embeds star ratings and reviews inside the widget, adding social proof at the decision moment.
• Per-offer analytics (impressions, clicks, conversions, CVR) plus A/B testing on full flow variants.

Cons:

• The drag-and-drop builder is a double-edged sword. The same flexibility that powers conditional flows makes it confusing for newcomers: there’s a real learning curve, and you’ll need to spend time reading the docs and planning the flow before your first campaign goes live.

👉 Bottom line: Choose this if you think in funnels and don’t mind the setup time. Sketch one cross-sell sequence, A/B test two versions, and keep the winner.

App #3: Upsell & Cross Sell — Selleasy

Selleasy has the widest placement set of the five: product page, cart page, cart drawer, checkout, post-purchase page, and thank-you page. That’s full-journey cross-sell coverage in one tool.

Pros:

• Six placement options mean more chances to add items; post-purchase upsells in particular grow revenue without touching the original checkout flow.
• Tiered “Frequently Bought Together” auto-generates buy 2 / buy 3 / buy 4 tiers, encouraging shoppers to bump up for a bigger discount.
• Three recommendation methods: ChatGPT-powered, manual, and Shopify’s native engine.
• Granular targeting on product conditions (tag, collection, price, category, vendor, inventory) and customer conditions (email, tag, B2B status, login state).
• Six widget layouts (list, Amazon-style, classic, carousel, grid, popup) to fit each placement.

Cons: Cross-sell only, with no gift, BOGO, or volume discount in the same dashboard. If you want to stack promotion types, you have to install different apps.

👉 Bottom line: Best if cross-sell at every touchpoint is the whole strategy. Start free, and turn on the post-purchase and thank-you placements first, since they’re pure upside on existing orders.

4. Rapi Bundles Volume Discounts: Best for Conversion Boosters Around the Offer

Rapi Bundles wraps the cross-sell in urgency and gamification: social-proof counters, sticky add-to-cart, countdown timers, progress bars, highlight badges, and a gamified Scratch Deal.

Pros:

• Post-purchase funnel with conditional logic shows different products based on what’s in the cart (most or least expensive item), lifting post-purchase conversion versus a static offer.
• Tiered discounts on upsell products (buy 1 for 10% off, buy 2 for 20% off) plus BXGY and BOGO motivate larger quantities.
• Booster widgets (social-proof counter such as “47 people viewing,” sticky add-to-cart, countdown timer, milestone progress bar) raise cross-sell click-through at the offer moment.
• Highlight badges (Most Popular, Special Offer, Best Seller) draw attention to specific cross-sell products.
• A/B testing on boosters and offer types to find what lifts AOV most.

Cons: No built-in translation, which limits multi-language markets. Live chat is also restricted on the free plan, so early-stage stores rely on email tickets during setup.

👉 Bottom line: Pick this if your conversion gap is at the offer moment, not the offer itself. Add a countdown timer and social-proof counter to one post-purchase offer and watch click-through.

5. Wiser AI: Best for AI Personalization Across Every Page

Wiser AI uses an AI recommendation engine to place cross-sells across the whole store, not just product and cart pages, and organizes setup by surface.

Pros:

• AI engine across the full site places cross-sells on product, cart, thank-you, homepage, collection, search results, 404, and blog pages. More surface area means more AOV chances from existing traffic.
• Three recommendation methods: AI (order, behavior, product type, collection), handpicked (CSV), and related-by-meta or related-by-option (size, color).
• Post-purchase branching: accept an offer and Wiser cross-sells a different product; decline and it shows an alternative, raising overall post-purchase add rate.
• Revenue breakdown by widget and by page pinpoints the best-performing page-widget combinations.
• Wide widget set: Frequently Bought Together, Product Addons, Slide Cart Drawer, Checkout Upsell, Recently Viewed, Shop the Look.

Cons: No targeting rules, so you can’t segment offers by customer tag, location, or order history. Handpicking products also requires CSV upload rather than a click interface.

👉 Bottom line: Choose this when manual setup isn’t realistic, and you want AI to handle placement. Switch it on, let it learn for two weeks, then read the revenue-by-page report to see where AOV is coming from.

Our Recommendation: BOGOS for Most Stores Focused on AOV

The search intent behind this guide is simple: raise average order value. AOV goes up when each order carries more items at a margin you control, and BOGOS attacks that from more angles at once than any other app here:

• Every offer format in one place. Buy X get Y, mix-and-match bundles, classic bundles, and a bundle builder all live in one dashboard, so you can test which offer type lifts AOV most without juggling multiple apps or conflicting scripts.
• Threshold motivation. The progress bar gives shoppers a concrete reason to add the next item; “spend $8 more for free shipping” converts a single-item cart into a multi-item one.
• Larger baskets by design. Two-layer purchase logic rewards adding both more product types and more quantity to unlock the offer.
• Margin protection. Four discount types let you push add-ons without giving away profit, so AOV lift is real revenue, not discount leakage.
• Compounding tactics. Running cross-sell next to gift, BOGO, and volume discount in one dashboard means the offers reinforce each other, and a single analytics view shows which combination lifts AOV the most.

That breadth of offer formats and stacked AOV levers in one place is why BOGOS is the default pick. The exceptions: if your only goal is cross-sell at every touchpoint, Selleasy fits better; if you want fully hands-off AI placement, Wiser AI does. For everything in between, and for any store scaling multiple AOV tactics, start with BOGOS.

Conclusion

Cross-selling lifts AOV from traffic you already paid for, and the right app comes down to your stage and budget rather than feature count. Match yourself to one of these and start testing:

• Small store or tight budget, cross-sell only → Selleasy or Wiser AI (strong free plans under 50 orders).
• Funnel-minded, want conditional sequencing → Upsell.com (watch the revenue-based fee as you scale).
• Conversion gap is at the offer moment → Rapi Bundles for urgency and gamification.
• Growing store that wants targeted offers and multiple AOV tactics → BOGOS.

Next step: install the free plan of your pick, launch one cross-sell on your highest-traffic product, and measure AOV over two to four weeks. If it lifts, scale up.

FAQ

What is a cross-sell app on Shopify? It shows shoppers related or complementary products at decision moments (product page, cart, checkout, post-purchase, or thank-you page) to lift average order value, adding discount logic, targeting, and analytics beyond Shopify’s native recommendations.

How is cross-sell different from upsell? Upsell offers a higher-value version of what the shopper is already considering (a premium tier or larger size); cross-sell offers a complementary product (a case with a phone). Most apps here do both.

Which cross-sell app uses AI? Wiser AI is built around an AI engine across all page types. Upsell.com (via Glood.ai), Selleasy (ChatGPT-powered), and BOGOS also offer AI-assisted recommendations.

Which has the best free plan? Selleasy includes every feature free up to 50 orders/mo. Wiser AI and Upsell.com are also free under 50 orders; BOGOS offers 30 lifetime free orders; Rapi Bundles is free up to $100 in generated revenue.