Best Shopify Upsell Apps (2026): 10 Apps Compared

Candy Rack is the best Shopify upsell app for most stores in 2026. It shows offers on the product page, in a built-in cart drawer, in checkout and after purchase from one app, with the Built for Shopify badge and a 4.9 rating from 262 reviews (Shopify App Store, 2026).

The other nine apps are strongest at one step: post-purchase, personalization, bundles or the cart drawer.

Loop Voice publishes this list but isn't ranked, since Loop Voice makes AI voice agents rather than an upsell app.

Starting price is the lowest paid plan. Prices and ratings are as listed on the Shopify App Store on Oct 14, 2026 (Shopify App Store, 2026). Plus means the in-checkout offer needs Shopify Plus. Plans are priced by orders, upsell revenue or funnel views, so check each at your volume.

Candy Rack, built by Digismoothie, covers every upsell placement in one app: volume bundles, embedded offers and an add-to-cart pop-up on the product page, a built-in cart drawer, in-checkout offers on Shopify Plus, the post-purchase page, and the thank-you and order status pages (Digismoothie, 2026). Candy Rack AI or Google Gemini can pick the products, and A/B tests run through Intelligems.

Plans are priced by store orders, with unlimited upsell revenue: $29.99/month up to 50 orders, $39.99 up to 200 and $59.99 up to 500, with an 8-day free trial and a 60-day money-back guarantee (Shopify App Store, 2026). We rank it first because it covers every step in one app without taking a share of upsell revenue.

ReConvert specializes in what happens after payment: one-click post-purchase funnels, a thank-you page builder with order tracking and discount widgets, and post-purchase surveys, with AI recommendations and A/B testing. Its free plan covers up to 50 orders or $50 of upsell revenue (Shopify App Store, 2026).

Rebuy Personalization Engine uses AI to personalize offers in a slide-out Smart Cart, in checkout, after purchase and on the thank-you and order status pages, plus search. It suits larger brands; pricing scales with monthly orders and the modules you choose, with a 14-day trial (Shopify App Store, 2026).

Zipify OCU builds one-click post-purchase funnels plus product page, slide cart, thank-you page and Shopify Plus checkout offers, with AI offers and A/B testing. Pricing follows upsell revenue: $9.95/month up to $200 of upsell revenue, capped at $999/month, with a 30-day trial (Shopify App Store, 2026).

Kaching Bundles focuses on the product page: quantity breaks, volume discounts, mix-and-match bundles, BOGO offers and subscriptions, with built-in A/B testing. It has the most reviews on this list, and plans are priced by the extra revenue it generates, starting at $14.99/month for up to $1,000 (Shopify App Store, 2026).

Frequently Bought Together, from Code Black Belt, adds bundle recommendations to product and cart pages with one-click add to cart, AI or manual picks, four discount types and review stars from apps like Judge.me and Loox. Paid plans run from $9.99 to $39.99/month by orders (Shopify App Store, 2026).

Bundler has a free plan with no order or revenue limit, covering buy X get Y offers, quantity breaks, product page upsells and Shopify POS. Premium at $9.99/month adds mix-and-match bundles, bundle landing pages and funnel upsells (Shopify App Store, 2026).

UFE Cross Sell & Upsell Bundle shows one-click offers as pop-ups, in-page or floating widgets, including bundles, quantity breaks and post-purchase upsells, with A/B testing on the free plan. Paid plans cost $9.99/month plus usage, or $299/month for unlimited use (Shopify App Store, 2026).

iCart replaces your cart with a sticky cart drawer, pop-up or full cart page, adding AI cart upsells, a multi-tier free shipping progress bar, BOGO and free gift discounts, and a countdown timer. Paid plans start at $9/month by monthly orders (Shopify App Store, 2026).

Honeycomb Upsell & Cross Sell, from Conversion Bear, runs funnels on the product, cart, post-purchase and thank-you pages, with checkout offers on Shopify Plus. Every plan includes split tests and one-click post-purchase upsells that merge into the original order; pricing follows funnel views (Shopify App Store, 2026).

Start with placement. Product page offers and quantity breaks raise the first order, a cart drawer reaches shoppers just before checkout, and post-purchase offers ask for a second purchase after payment, so they can't hold up the first order.

Then price each app at your own volume, since some charge by orders and others by upsell revenue or funnel views. Launch one offer at a time and test it against no offer where the app supports A/B tests.

Upsell apps work while the shopper is on your site. Loop Voice adds the phone: it calls shoppers who abandon checkout and can make post-purchase upsell calls, with an SMS checkout link during or after the call. The agent introduces itself with the store's name and never claims to be human.

CityMan USA uses Loop Voice for cart recovery and AOV growth, with $45,000+ recovered (Loop Voice customer story, 2026). Read the post-purchase upsell call guide and calling consent rules, then compare Loop Voice plans from $119/month (Loop Voice pricing data, 2026).