Upcart Alternatives: 6 Cart Drawer Apps Ranked on Revenue

Your cart drawer has one job. Make the order bigger without making the store slower.

That's the whole test. And it's the test most founders skip when they go looking for Upcart alternatives, because the listings sell colors, fonts and templates.

Here's the short answer. Kaching Cart Drawer is the closest swap for most stores: Built for Shopify badge, AI recommendations and A/B testing listed, $14.99 a month up to 199 orders. Essent Cart Drawer is the lean pick with a free plan and the same badge. Rebuy Smart Cart fits bigger stores that want one AI engine across cart, checkout and post-purchase. Monster Cart and iCart are cheap, feature-heavy options without the badge. And if you liked Upcart itself, Rokt now sells it as Aftersell Cart, from $59.99 a month. I opened every listing below today, October 12, 2026.

What happened to Upcart?

Open Upcart's Shopify App Store listing today and you get one line: "This app is not currently available on the Shopify App Store." No rating. No pricing. Just a note to contact Rokt directly for support.

Here's the backstory. Rokt announced it was buying AfterSell on January 10, 2024, and that deal included UpCart, which Rokt described as "a fully featured cart drawer" built to raise average order value and reduce cart abandonment. The plan was to fold AfterSell and UpCart into Rokt's own Shopify app.

Today the cart lives on as Aftersell Cart. The page pitches "An AI-powered cart that builds from a prompt" with "18+ upsell and cross-sell widgets," tiered progress bars, express payments in the drawer, and A/B tests on layouts and offers. On the pricing page, the Pre-Purchase plan is $59.99 a month for 200 monthly orders, capped at $599.99, with a 30-day trial.

So an honest Upcart review in October 2026: the product is alive and more ambitious, pricier than most of the field, and you can't kick the tires on the App Store first.

A cart drawer that adds $5 to every order and costs you a tenth of a point of conversion rate can lose money. The listing will never show you that trade.

Which Upcart alternatives are worth a look?

Six, counting the old Upcart itself. Every number below comes from each app's own page, opened today. "Price at 150 orders" is the plan that fits a store doing 150 orders a month.

App	Rating (reviews)	Price at 150 orders/mo	AI recommendations	Rewards bar	Built for Shopify badge	A/B testing listed
Aftersell Cart (ex-Upcart)	Listing not available	$59.99 (to 200 orders), 30-day trial	Machine learning picks, AI cart builder	Tiered: shipping, gift, discount	Can't check, listing is down	Yes, A/B and multivariate
Kaching Cart	5.0 (1,485)	$14.99 (to 199 orders), 14-day trial	Listed	Free shipping and free gift bars	Yes	Yes
Essent Cart Drawer	5.0 (1,082)	$13.99 (to 199 orders), free to 30	Shopify AI or hand-picked	Spend tiers: shipping, gifts, discounts	Yes	Not listed
Rebuy Smart Cart	4.7 (852)	From $25, scales with orders	AI-powered	Shipping bar, tiered rewards	No	Yes, in Flows & A/B Testing
Monster Cart	4.7 (538)	$9.99 (51 to 200 orders), free to 50	Smart upsells powered by Shopify	Gifts, shipping, store credit	No	Not listed
iCart	4.7 (451)	$19 (101 to 200 orders), first 100 free	AI cart upsells listed	Multi-tier progress bar	No	Not listed

Read the last three columns. That's where a cart that sells splits from a cart that decorates.

Does a cart drawer app really change revenue per cart?

It can. In both directions.

Revenue per cart is your average order value: what each checkout is worth. A good slide cart app pushes it up with two levers, a rewards bar ("you're $11 away from free shipping") and one or two add-ons that fit what's already in the cart. A bad one slows the page down and quietly shaves the conversion rate.

Here's the math. Run it on a store like this, a hypothetical coffee brand. 10,000 visitors a month, conversion rate 1.5%, so 150 orders. Average order value $64. Revenue per visitor is 1.5% x $64, which is $0.96. On 10,000 visitors, that's $9,600 a month.

Now add a cart drawer with a free-shipping bar at $75 and a $12 grinder-cleaning kit as the add-on. Say it lifts average order value by $5, to $69.

Fast cart, conversion rate holds at 1.5%: 150 orders x $69 is $10,350. Revenue per visitor is 1.5% x $69, which is $1.035, call it $1.04. That's $750 more a month.

Slow cart, conversion rate slips to 1.4%: 140 orders x $69 is $9,660. Revenue per visitor is 1.4% x $69, which is $0.966. That's $60 more a month, before the app bill.

No cart app $9,600

Slow cart app $9,660

Fast cart app $10,350

Conversion rate x average order value x visitors. Assumes the cart lifts average order value from $64 to $69.

Same rewards bar. Same add-on. One version prints $750 a month. The other barely covers a $59.99 plan.

I'll admit I used to judge cart apps on the demo store. Pretty drawer, nice animation, done. Wrong filter.

How do you check a cart drawer app's speed before you install it?

Start with the badge. Shopify's Built for Shopify requirements say an app "must not reduce the storefront Lighthouse performance score by more than ten points." Kaching and Essent carry the badge today. Rebuy, Monster Cart and iCart don't show it on their listings. Aftersell Cart has no listing to check.

No badge doesn't mean slow. It means you test it yourself.

So test it. Run Lighthouse on your product page and cart before the install, write the mobile score down, install the app, run it again on the same page. If the score drops more than ten points, you've found your tenth of a point of conversion rate.

Then open the drawer on a real phone. If the add-on pops in a second late and shoves the checkout button down, that's where carts get abandoned.

The rewards bar gets the credit for the bigger order. The page speed decides whether there's an order to make bigger.

So which Upcart alternative fits your store?

You want the closest swap for a quarter of the price. Kaching Cart. Badge, AI recommendations and A/B testing listed, rewards bars, a 14-day trial and $14.99 up to 199 orders. If you already run Kaching Bundles, the two talk to each other. Our Kaching Bundles vs Fast Bundle breakdown covers that side.

You want lean and free to start. Essent Cart Drawer. Free to 30 orders, $13.99 to 199, "every feature included, no gating," plus a sticky add to cart bar. Its listing doesn't mention A/B testing, so plan to test with a before-and-after window instead.

You want one AI engine across cart, checkout and post-purchase. Rebuy. Smart Cart is "an easily customizable, AI-powered, slide-out cart," and A/B testing lives in its Flows & A/B Testing package. Pricing starts at $25 and scales with orders. Read our Rebuy alternatives before you sign, because that bill grows with you.

You want the most widgets for the least money. Monster Cart ($9.99 for 51 to 200 orders) or iCart ($19 for 101 to 200, first 100 orders free). Both pack in progress bars, free gifts and volume discounts. Neither shows the badge, so run the Lighthouse check above.

You loved Upcart and want the upgrade. Aftersell Cart. AI cart building, rule-based offers by cart contents, customer tags and shipping country, plus A/B and multivariate tests. Pair it with Rokt's post-purchase product and you get one vendor from cart to thank you page. Our AfterSell alternatives post shows what else runs after checkout.

You only need the basics. Your theme's cart drawer plus Shopify's free Search & Discovery app, which adds related and complementary products on product pages. Zero app fee. No rewards bar unless your theme has one.

Whichever cart drawer app for Shopify you pick, keep the drawer to one rewards bar and two or three add-ons. Our cart drawer upsell best practices show what to put in those slots.

Where should the next dollar per cart come from?

Here's my contrarian take. The cart drawer is the second-best place to grow the order.

The best place is the product page, before anyone opens the cart. A rewards bar nudges a $64 order to $69. A product page that sells the bundle, the bigger size or the three-pack up front moves the first order before the drawer even slides out. That's how a $30 product turned into $177 orders in our rodent repellent brand case study.

Look at what one product page did once it was rebuilt. A bedding brand's adjustable pillows went from conversion rate 1.0% and average order value $125 (revenue per visitor $1.25) to conversion rate 4.4% and average order value $152 (revenue per visitor $6.68). On 10,000 visitors, that's $12,500 before and $66,800 after. See the full case study numbers. Real client numbers, not typical results, and not a promise of what your store will do.

That's a $27 bigger order with no slide cart doing the lifting. The page sold it. That's where RevenueFlows AI points the AI: the headline, the objection answers, the offer and the order of the argument, so the cart gets handed a bigger order to start with. The full stack, product page to post-purchase, lives in how to increase average order value on Shopify.

FAQ

What happened to Upcart? Its Shopify App Store listing says it isn't currently available. Rokt now sells it as Aftersell Cart from $59.99 a month for 200 orders.

What is the best Upcart alternative? Kaching Cart for most stores: Built for Shopify badge, AI recommendations and A/B testing listed, $14.99 up to 199 orders. Rebuy for one AI engine across cart, checkout and post-purchase.

Is there a free slide cart app for Shopify? Essent is free to 30 orders, Monster Cart to 50, and iCart gives your first 100 orders free for lifetime.

Do cart drawer apps slow down a Shopify store? They can. Built for Shopify apps must not cut your Lighthouse score by more than ten points, so start there and test the rest yourself.

Is Aftersell Cart worth $59.99 a month? Yes, if you'll use its testing and rules and the extra revenue clears the fee several times over. If not, a $14 app does the job.

What to do next

Before you install anything, run Lighthouse on your best-selling product page and write the mobile score down. Then install Kaching or Essent on the trial, run it again, and give it 30 days. If conversion rate holds and average order value climbs, keep it. If the score dropped ten points, uninstall it the same day.

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Book Your Profit Audit

A cart drawer adds a few dollars to orders the product page already won, and a slow one quietly costs you the orders it didn't. On a free profit audit we'll show you what your product page is leaking before anyone opens the cart, then show you how to rebuild a high-converting product sales page in less than 15 minutes.

Book Your Profit Audit →

Or go here to check it out → revenueflows.ai

P.S. A cart that decorates makes the drawer prettier. A cart that sells makes the order bigger, and a page that sells hands it a bigger order to start with.