Best Shopify Upsell Apps in 2026, and What Gulf Stores Should Check Before Installing

The best Shopify upsell app for most stores in 2026 is Candy Rack: one app covers product page, cart, checkout and post-purchase offers, it is rated 4.9 from 263 reviews, it carries the Built for Shopify badge, and its listing names more languages (13) than any other app here. ReConvert, Selleasy, Aftersell and Zipify OCU follow, then Frequently Bought Together, Rebuy, UFE and Bold. Below: one table with the numbers, a short write-up of each app, and what a store selling in Saudi Arabia or the UAE should check before installing any of them.

Disclosure: Digismoothie, the maker of Candy Rack, also reviews Arqam360 on its site. We did not install or test these apps on a live store. Every rating, review count, price and feature below is taken from each app's Shopify App Store listing, read on 5 October 2026; where we write "according to the listing", that is the source. Ratings and prices change, so check the listing before you buy.

Key takeaways

• Candy Rack is our pick: offers in seven placements from product page to post-purchase, a built-in cart drawer, AI-picked upsells, 4.9 stars from 263 reviews.
• ReConvert has the most reviews of the nine (3,093) and a free plan up to 50 orders or $50 of upsell revenue a month.
• Selleasy, ReConvert and UFE have free plans for small live stores; Candy Rack, Aftersell, Zipify OCU and Rebuy are free only on development stores (Candy Rack also on trial stores).
• None of the nine listings names Arabic among its languages or mentions right-to-left (RTL) layouts. Test any widget on your Arabic storefront before you go live.
• Shopify does not show post-purchase offers on cash-on-delivery, Apple Pay or instalment orders, or on orders in multiple currencies. In the Gulf that can be a large share of orders.
• Upsell apps add storefront scripts. Make sure your cookie banner and Google Consent Mode v2 are in place so marketing tags follow each visitor's choice.

The nine apps at a glance

How we chose and ordered these apps

We started from the upsell apps Shopify merchants most often name, kept the ones whose listing is live and updated, and read each listing on 5 October 2026. "Multi-language" and "multi-currency" mean the app lists those among its features on the Shopify App Store; "Languages" is the listing's own field for the languages the app is available in. The order is our editorial judgement from those listings: how many placements one app covers, rating and number of reviews, and what the listing says about languages and currencies. It is not the result of a test we ran.

The best Shopify upsell apps, ranked

1. Candy Rack (Digismoothie): the all-in-one pick

Candy Rack puts upsell and cross-sell offers at every stage of the order: product page, cart, checkout and post-purchase. According to the listing, it shows offers in seven placements, includes its own slide-out cart drawer with a rewards bar, adds volume bundles and quantity breaks on the product page, and can let Candy Rack AI or Google Gemini pick which products to offer. Offers can be A/B tested through Intelligems.

• Rating: 4.9 from 263 reviews; Built for Shopify badge; launched 2018.
• Price: free for trial and development stores; Lite $29.99/month for 0–50 online store orders, Starter $39.99 for 51–200, Growth $59.99 for 201–500, with an 8-day free trial and a 60-day money-back guarantee. Every paid plan includes unlimited upsell orders and revenue.
• Languages: English, German, French, Spanish, Italian, Czech, Danish, Japanese, Dutch, Swedish, Turkish and Portuguese (Brazil and Portugal). Multi-language and multi-currency are both listed as features, and it works with Shopify's Translate & Adapt.
• Watch for: there is no free plan for a live store, so a small store pays from the first month; the listing does not say which checkout placements need Shopify Plus; Arabic is not among its languages.

Why first: it covers every placement in one app with its own cart drawer, lists both multi-currency and multi-language support and the most languages of the nine, and carries the Built for Shopify badge with a 4.9 rating. Pricing is by order count, not by a share of upsell revenue, so the bill does not rise just because offers start to work.

2. ReConvert (Upsell.com): most reviewed, free to start

ReConvert covers product, cart, checkout and post-purchase upsell funnels, with AI product recommendations and A/B testing on every plan, according to the listing. With 3,093 reviews it is the most reviewed app in this list.

• Rating: 4.8 from 3,093 reviews.
• Price: free up to 50 orders or $50 of upsell revenue; Growth $9.99/month; Scale $199; Elite $499 (14-day free trial).
• Watch for: the listing says checkout upsells are Shopify Plus only; English is its only listed language; multi-currency is not among its listed features.

3. Selleasy (Logbase): best free plan for small stores

Selleasy shows Amazon-style "frequently bought together" bundles, product add-ons, cart drawer upsells, checkout upsells and post-purchase offers. Its description is the only one here that says, in its own words, that it works in multi-language and multi-currency stores.

• Rating: 4.9 from 2,739 reviews; Built for Shopify badge.
• Price: free up to 50 orders a month (your store's total orders count); $9/month up to 500; $19 up to 1,000; $29 above (30-day free trial). The listing also offers free setup on a call.
• Watch for: plans step up with your store's total orders, not with upsell revenue.

4. Aftersell (Rokt): built around post-purchase

Aftersell's focus is one-click post-purchase upsells and downsell funnels, plus an AI cart with 18+ blocks and a thank-you page that sells. According to the listing, Rokt Thanks offers on the confirmation page can earn up to $0.80 per order.

• Rating: 4.9 from 1,087 reviews; Built for Shopify badge.
• Price: Post-Purchase $34.99/month, Pre-Purchase $59.99, Complete $79.99 (30-day free trial); free only for development and partner stores.
• Watch for: checkout upsells are Shopify Plus only per the listing, and post-purchase pages have the payment limits described further down.

5. Zipify OCU: priced on upsell revenue

One Click Upsell (OCU) by Zipify covers post-purchase, product page, pre-purchase, slide cart, checkout (Shopify Plus) and thank-you page offers, with self-optimising AI offers and A/B testing, according to the listing.

• Rating: 4.6 from 566 reviews; Built for Shopify badge.
• Price: $9.95/month while upsell revenue stays under $200 a month, then $25 to $99 up to $2,500, then from $149 (capped at $999); 30-day free trial. The listing says you never pay for order volume.
• Watch for: the bill rises as the app works; English is the only listed language.

6. Frequently Bought Together (Code Black Belt): bundles only

If all you want is "customers also bought" bundles on the product and cart pages, this is the focused option: AI, manual or global recommendations with one-click add to cart, and four bundle discount types (percentage, fixed, free item, free shipping), according to the listing.

• Rating: 4.9 from 1,203 reviews; Built for Shopify badge; launched 2017.
• Price: free for up to 3 manual bundles; $14.99/month up to 50 orders, $19.99 up to 500, $39.99 above (14-day free trial).
• Watch for: the listing places the widget on product and cart pages and does not describe post-purchase offers; it is a bundle widget, not a full upsell suite.

7. Rebuy: personalisation for larger brands

Rebuy sells packages (Cart & Merchandising, Checkout & Post-Purchase, Search & Collections, Flows & A/B Testing) that add AI recommendations, a slide-out Smart Cart and search across the store. It is broader than an upsell app, and its pricing scales with monthly orders.

• Rating: 4.7 from 854 reviews.
• Price: from $25/month, scaling with monthly orders (14-day free trial); free on development stores; the Rebuy Monetize thank-you page offer is listed as free.
• Watch for: more to configure than the apps above; English is the only listed language.

8. UFE (Upsell Funnel Engine): lightweight funnels

UFE offers one-click upsells in pop-up, in-page and floating styles, bundles, volume discounts and post-purchase offers, and describes itself as ultra-lightweight and fully compatible with Shopify Markets, according to the listing.

• Rating: 4.8 from 496 reviews.
• Price: free up to 50 store orders a month; Pay Per Use $9.99/month plus usage; Unlimited $299/month (7-day free trial).
• Watch for: usage-based billing on the middle plan; English is the only listed language.

9. Bold AI Upsell: flat price by Shopify plan

Bold Upsell covers product pages, cart, checkout, post-purchase and email, with AI offers or manual funnels, free gifts and subscription offers. It charges a flat monthly price set by your Shopify plan, according to the listing.

• Rating: 4.4 from 594 reviews; Built for Shopify badge; launched 2012.
• Price: $4.99/month on Shopify Basic, $24.99 on Grow, $74.99 on Advanced, $399.99 on Plus (checkout offers are on the Plus plan); 7-day free trial, no free plan.
• Watch for: the lowest rating of the nine; neither multi-language nor multi-currency is among its listed features.

What Saudi and UAE stores should check before installing

The listings are written for stores in the US and Europe. Four things matter more in the Gulf, and none of them shows up in a star rating.

Arabic and right-to-left layouts

None of the nine listings names Arabic among its languages, and none mentions RTL. That field is about the app's own interface, so it does not settle what shoppers see: seven of the nine list multi-language as a feature, and Candy Rack works with Shopify's Translate & Adapt. What it does mean is that nobody promises you a widget that mirrors correctly in Arabic.

• Preview every widget (product page block, cart drawer, pop-up, thank-you page) on your Arabic storefront, on a phone.
• Check that prices, arrows, progress bars and "add" buttons sit on the correct side, and that Arabic text is not cut off.
• Make sure offer text can be translated, not only the product titles it pulls in.

Currency: SAR, AED and Shopify Markets

If you sell in riyals and dirhams, or to other Gulf countries through Shopify Markets, the offer price must show in the shopper's currency and match what checkout charges. Candy Rack, Selleasy, Aftersell, Rebuy and Frequently Bought Together list multi-currency as a feature; UFE says it is compatible with Shopify Markets. The app's own subscription is billed in USD (Candy Rack's listing says so explicitly). If you sell in Kuwaiti dinars, Bahraini dinars or Omani rials, which use three decimals, check a discounted offer in each.

Checkout and post-purchase offers

Shopify's developer documentation sets limits on post-purchase offers that every app on this list has to live with. The post-purchase page is not shown when:

• the customer pays with an installment service or a wallet such as Apple Pay or Google Pay;
• the order was paid with a gift card or any payment method other than a credit card, which rules out cash on delivery;
• the order has duties and multiple currencies;
• the order is for local delivery, or has no shipping address.

Shopify's examples of installment services are Klarna, Affirm and Afterpay; Tabby and Tamara do the same job in the Gulf, so ask the app vendor how it treats them. In a market where many orders are cash on delivery, Apple Pay or instalments, an app that relies on post-purchase offers may only reach part of your orders. Offers on the product page, in the cart and on the thank-you page do not depend on the payment method. Separately, Shopify limits offers inside checkout's information, shipping and payment steps to Shopify Plus stores.

Upsell apps add scripts: check your consent setup

Every upsell app adds code to your storefront, and many send events to analytics or ad platforms. Under Saudi Arabia's Personal Data Protection Law, non-essential tracking needs the visitor's choice first, and Google Consent Mode v2 is how Google's tags learn that choice. Before adding a new app, make sure your cookie banner is live and that Google and Meta tags wait for consent, so the extra scripts do not undo it.

A practical order: banner and Consent Mode v2 first, then the upsell app, then a check that marketing tags still fire only after acceptance. Arqam360, which publishes this blog, is a consent app for Shopify and Gulf platforms.

To see how Saudi stores handle banners and Consent Mode today, look at the KSA Compliance Index.

For what the law asks of a store's cookies and tags, read Saudi PDPL and cookie consent.

For the Shopify setup step by step, see how to add a PDPL cookie banner to a Shopify store.

Frequently asked questions

Sources