The best Shopify upsell app is the one that puts the right offer at the right moment: on the product page, in the cart, or straight after payment. Most have free plans to try. Shopify only lets one app run post-purchase offers at a time, so choose that one carefully. This page lists ten in no particular order.
An upsell works when it feels like help, and it doesn't when it feels like a hard sell. A matching case for the phone, a refill for the cream, the bigger size at the moment it makes sense. Get it wrong and you'll clutter the cart and annoy people who were about to buy. The app matters less than the offer you put in it, and that's the part most store owners rush.
Here are ten upsell and cross-sell apps in no particular order, listed alphabetically, with names exactly as they appear in the Shopify App Store. Each description comes from the app's own listing, re-checked today. For ideas on what to offer, my cheat sheet of upsell triggers is a quick place to start.
Upsell apps at a glance
In the free plan column, Yes means the App Store listing shows a free plan or free tier, and Trial only means you get a free trial, or free use only on trial and development stores.
| Tool | Type | Good for | Free plan |
|---|---|---|---|
| Appsell | Upsell and bundle app | Upsells and bundles, free plan | Yes |
| Bold AI Upsell & Cross-Sell | Checkout and post-purchase upsells | AI checkout and post-purchase funnels | Trial only |
| Cross Sell & Upsell Pro | Cross-sell recommendation app | Designed recommendations, free plan | Yes |
| Easy Upsell & Cross Sell+ | Automatic upsell app | Automatic upsells, free forever tier | Yes |
| Essential Upsell & Cross Sell | Frequently bought together app | Bundles and post-purchase offers | Yes |
| iCart Cart Drawer Cart Upsell | Cart drawer upsell app | Slide cart with upsells | Yes |
| One Click Upsell Zipify OCU | Post-purchase upsell app | One-click post-purchase offers | Yes |
| Propel Upsell & Cross-sell | Upsell and bundle app | Upsells, cross sells and bundles | Trial only |
| ReConvert Post Purchase Upsell | Post-purchase upsell app | Thank-you page upsells, free plan | Yes |
| Upsell & Cross Sell AW | AI upsell recommendation app | AI product recommendations | Yes |
Ten upsell and cross-sell apps for Shopify
Appsell
Best for: Small shops that want upsell offers and frequently bought together bundles to lift order value, starting on a listed free plan.
Bold AI Upsell & Cross-Sell
Best for: Merchants who want checkout upsells and post-purchase funnels from an established app vendor, after a free trial.
Cross Sell & Upsell Pro
Best for: Design-conscious stores that care how product recommendations look on the page and want a widget with a free plan.
Easy Upsell & Cross Sell+
Best for: Very small stores that want automatic suggestions without setup work, on a tier labelled free forever for a small number of products and orders.
Essential Upsell & Cross Sell
Best for: Shops wanting frequently bought together offers and post-purchase upsells from a well-reviewed app with a free plan.
iCart Cart Drawer Cart Upsell
Best for: Mobile-heavy stores that want offers shown inside a slide-out cart drawer with progress bars, starting on a free plan.
One Click Upsell Zipify OCU
Best for: Shops that want one-click offers shown right after payment, from a vendor focused on post-purchase funnels.
Propel Upsell & Cross-sell
Best for: Built for merchants wanting upsells, cross sells and bundles in one app; free use covers trial and development stores only.
ReConvert Post Purchase Upsell
Best for: Turning the thank-you page into extra revenue with one-click upsells is the focus here, with a free plan to begin.
Upsell & Cross Sell AW
Best for: Teams who want AI-driven upsell and cross-sell recommendations from an established extension vendor, beginning on the free plan.
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Shopify's one-app limit on the post-purchase page
The Shopify Help Center page on checkout apps explains that post-purchase apps add upsell offers or surveys after payment but before the order confirmation page. It also says you can use only one checkout app to add post-purchase features at a time, and that apps built with post-purchase extensions are available on the Basic Shopify plan or higher and on Shopify Plus.
So don't install three post-purchase apps hoping to compare them side by side. Pick one for that slot, and use other apps for the product page or cart if you need them. Check you're on an eligible plan before you install, and run a test order to see the offer appear where you'd expect it to. If it doesn't show, that's usually a sign another app already holds the slot.
Where an upsell can appear
- Product page: bundles and frequently bought together offers, while the shopper is still deciding.
- Cart or cart drawer: small add-ons and progress bars towards free shipping.
- Checkout: relevant extras that don't distract from finishing the order.
- After payment: one-click offers that don't need card details again.
- Thank-you page: follow-up offers, surveys or reorder prompts.
Setting up your first upsell offer
- Look at your orders and find products people already buy together.
- Choose one placement to start, such as the cart.
- Write the offer in plain words that say why it helps.
- Keep the add-on relevant and smaller than the main item.
- Place a test order on a phone and check every screen.
- Compare average order value before and after, over a few weeks.
Upsell mistakes that lose you orders
- Too many offers. One good suggestion beats four pop-ups.
- Irrelevant add-ons. Random products make the store feel pushy.
- Slowing the cart. Check page speed after you install any widget.
- Setting and forgetting. Seasonal stock changes, so refresh offers when your range does.
For the longer game, using AI for upsells and repeat orders covers how stores keep customers coming back after the first sale.
Do you make upsell or cross-sell apps for Shopify? Tool makers can ask to be considered for a featured place on this list.
My plain advice on adding upsells to your store
Start with one placement and one offer built from what customers already buy together. You don't need a clever algorithm on day one; you need a sensible pairing. A cart drawer or product page bundle is the gentlest place to begin, and most apps here let you try that on a free plan.
Add a post-purchase offer once the first one's working, and remember you'll only get one app for that slot. Avoid stacking widgets that do the same job, test every change on a phone, and judge results on order value and returns, not just clicks.
Frequently asked questions
What's the difference between an upsell and a cross-sell?
An upsell offers a bigger or better version of what someone's buying. A cross-sell offers a related item that goes with it.
Can I use more than one upsell app on Shopify?
You can use different apps in different places, but Shopify only allows one checkout app to add post-purchase features at a time.
Do post-purchase upsells need card details again?
One-click post-purchase offers are designed so the customer can accept without re-entering payment details.
Which Shopify plans support post-purchase upsells?
The Shopify Help Center says apps built with post-purchase extensions are available on Basic Shopify or higher and on Shopify Plus.
Will upsells annoy my customers?
They can if they're irrelevant or pushy. Keep offers few, related and clearly helpful, and they won't feel like a trick.
Is there a free Shopify upsell app?
Several apps here list a free plan, often limited by orders or features. Check the listing before you install.
